From ce526f890b6972f68082b862f3cb4584cf475a2d Mon Sep 17 00:00:00 2001
From: azerr <azerr@redhat.com>
Date: Tue, 7 Dec 2021 11:52:39 +0100
Subject: [PATCH] Shutdown raises exception

Fixes #1132

Signed-off-by: azerr <azerr@redhat.com>
---
 .../eclipse/lemminx/XMLLanguageServer.java    |   22 +-
 .../ClientCapabilitiesWrapper.java            |   21 +-
 .../XMLSchemaCompletionExtensionsTest.java    |  148 +-
 .../XMLSchemaDiagnosticsTest.java             |   32 +-
 ...TypeDefinitionWithCacheExtensionsTest.java |    6 +-
 .../src/test/resources/xsd/maven-4.0.0.xsd    | 2213 +++++++++--------
 6 files changed, 1291 insertions(+), 1151 deletions(-)

diff --git a/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/XMLLanguageServer.java b/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/XMLLanguageServer.java
index 9c3d3ba77..5cdf6c9ca 100644
--- a/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/XMLLanguageServer.java
+++ b/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/XMLLanguageServer.java
@@ -75,8 +75,7 @@
  * XML language server.
  *
  */
-public class XMLLanguageServer
-		implements ProcessLanguageServer, XMLLanguageServerAPI, IXMLDocumentProvider,
+public class XMLLanguageServer implements ProcessLanguageServer, XMLLanguageServerAPI, IXMLDocumentProvider,
 		IXMLNotificationService, IXMLValidationService {
 
 	private static final Logger LOGGER = Logger.getLogger(XMLLanguageServer.class.getName());
@@ -109,7 +108,7 @@ public CompletableFuture<InitializeResult> initialize(InitializeParams params) {
 		Object xmlSettings = AllXMLSettings.getAllXMLSettings(initOptions);
 		XMLGeneralClientSettings settings = XMLGeneralClientSettings.getGeneralXMLSettings(xmlSettings);
 
-		LogHelper.initializeRootLogger(languageClient, settings == null? null : settings.getLogs());
+		LogHelper.initializeRootLogger(languageClient, settings == null ? null : settings.getLogs());
 
 		LOGGER.info("Initializing XML Language server" + System.lineSeparator() + Platform.details());
 
@@ -126,7 +125,7 @@ public CompletableFuture<InitializeResult> initialize(InitializeParams params) {
 		xmlTextDocumentService.updateClientCapabilities(capabilityManager.getClientCapabilities().capabilities,
 				capabilityManager.getClientCapabilities().getExtendedCapabilities());
 
-		updateSettings(initOptions, false /* already configured logging*/ );
+		updateSettings(initOptions, false /* already configured logging */ );
 
 		ServerCapabilities nonDynamicServerCapabilities = ServerCapabilitiesInitializer.getNonDynamicServerCapabilities(
 				capabilityManager.getClientCapabilities(), xmlTextDocumentService.isIncrementalSupport());
@@ -162,7 +161,7 @@ public synchronized void updateSettings(Object initOptions) {
 	 * Update XML settings configured from the client.
 	 *
 	 * @param initOptions Settings the XML settings
-	 * @param initLogs whether to initialize the log handlers
+	 * @param initLogs    whether to initialize the log handlers
 	 */
 	private synchronized void updateSettings(Object initOptions, boolean initLogs) {
 		if (initOptions == null) {
@@ -227,8 +226,8 @@ private synchronized void updateSettings(Object initOptions, boolean initLogs) {
 	@Override
 	public CompletableFuture<Object> shutdown() {
 		xmlLanguageService.dispose();
-		if (capabilityManager.getClientCapabilities().getExtendedCapabilities().shouldLanguageServerExitOnShutdown()) {
-			delayer.schedule(() -> exit(0) , 1, TimeUnit.SECONDS);
+		if (capabilityManager.getClientCapabilities().shouldLanguageServerExitOnShutdown()) {
+			delayer.schedule(() -> exit(0), 1, TimeUnit.SECONDS);
 		}
 		getTelemetryManager().shutdown();
 		return computeAsync(cc -> new Object());
@@ -285,7 +284,8 @@ public long getParentProcessId() {
 	@Override
 	public CompletableFuture<AutoCloseTagResponse> closeTag(TextDocumentPositionParams params) {
 		return xmlTextDocumentService.computeDOMAsync(params.getTextDocument(), (cancelChecker, xmlDocument) -> {
-			return getXMLLanguageService().doAutoClose(xmlDocument, params.getPosition(), getSettings().getCompletionSettings(), cancelChecker);
+			return getXMLLanguageService().doAutoClose(xmlDocument, params.getPosition(),
+					getSettings().getCompletionSettings(), cancelChecker);
 		});
 	}
 
@@ -323,9 +323,9 @@ public SharedSettings getSharedSettings() {
 
 	@Override
 	public Collection<DOMDocument> getAllDocuments() {
-		return xmlTextDocumentService.allDocuments().stream()
-				.map(m -> m.getModel().getNow(null))
-				.filter(Objects::nonNull)
+		return xmlTextDocumentService.allDocuments().stream() //
+				.map(m -> m.getModel().getNow(null)) //
+				.filter(Objects::nonNull) //
 				.collect(Collectors.toList());
 	}
 
diff --git a/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/settings/capabilities/ClientCapabilitiesWrapper.java b/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/settings/capabilities/ClientCapabilitiesWrapper.java
index ba622a7a2..06eb94b72 100644
--- a/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/settings/capabilities/ClientCapabilitiesWrapper.java
+++ b/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/settings/capabilities/ClientCapabilitiesWrapper.java
@@ -114,7 +114,7 @@ public boolean isSelectionRangeDynamicRegistered() {
 	public boolean isDidChangeWatchedFilesRegistered() {
 		return v3Supported && isDynamicRegistrationSupported(capabilities.getWorkspace().getDidChangeWatchedFiles());
 	}
-	
+
 	public boolean isLinkedEditingRangeDynamicRegistered() {
 		return v3Supported && isDynamicRegistrationSupported(getTextDocument().getLinkedEditingRange());
 	}
@@ -133,9 +133,22 @@ public ExtendedClientCapabilities getExtendedCapabilities() {
 	}
 
 	public boolean isWorkspaceFoldersSupported() {
-		return Optional.ofNullable(this.capabilities)
-				.map(ClientCapabilities::getWorkspace)
-				.map(WorkspaceClientCapabilities::getWorkspaceFolders)
+		return Optional.ofNullable(this.capabilities) //
+				.map(ClientCapabilities::getWorkspace) //
+				.map(WorkspaceClientCapabilities::getWorkspaceFolders) //
 				.filter(Boolean.TRUE::equals).isPresent();
 	}
+
+	/**
+	 * Returns true if the client should exit on shutdown() request and avoid
+	 * waiting for an exit() request
+	 *
+	 * @return true if the language server should exit on shutdown() request
+	 */
+	public boolean shouldLanguageServerExitOnShutdown() {
+		if (extendedCapabilities == null) {
+			return false;
+		}
+		return extendedCapabilities.shouldLanguageServerExitOnShutdown();
+	}
 }
\ No newline at end of file
diff --git a/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaCompletionExtensionsTest.java b/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaCompletionExtensionsTest.java
index f56aaf0ca..09d5f7beb 100644
--- a/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaCompletionExtensionsTest.java
+++ b/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaCompletionExtensionsTest.java
@@ -56,8 +56,10 @@ public void completionInRoot() throws BadLocationException {
 				+ //
 				"	<|" + //
 				"</project>";
-		testCompletionFor(xml, c("modelVersion", te(3, 1, 3, 2, "<modelVersion></modelVersion>"), "<modelVersion"), //
+		testCompletionWithCatalogFor(xml, //
+				c("modelVersion", te(3, 1, 3, 2, "<modelVersion></modelVersion>"), "<modelVersion"), //
 				c("parent", "<parent></parent>", "<parent"));
+
 		// completion on <| >
 		xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
 				"	xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
@@ -65,8 +67,10 @@ public void completionInRoot() throws BadLocationException {
 				+ //
 				"	<|   >" + //
 				"</project>";
-		testCompletionFor(xml, c("modelVersion", te(3, 1, 3, 6, "<modelVersion></modelVersion>"), "<modelVersion"), //
+		testCompletionWithCatalogFor(xml, //
+				c("modelVersion", te(3, 1, 3, 6, "<modelVersion></modelVersion>"), "<modelVersion"), //
 				c("parent", "<parent></parent>", "<parent"));
+
 		// completion on |
 		xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
 				"	xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
@@ -74,8 +78,10 @@ public void completionInRoot() throws BadLocationException {
 				+ //
 				"	|" + //
 				"</project>";
-		testCompletionFor(xml, c("modelVersion", te(3, 1, 3, 1, "<modelVersion></modelVersion>"), "modelVersion"), //
+		testCompletionWithCatalogFor(xml, //
+				c("modelVersion", te(3, 1, 3, 1, "<modelVersion></modelVersion>"), "modelVersion"), //
 				c("parent", "<parent></parent>", "parent"));
+
 		// completion on mod
 		xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
 				"	xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
@@ -83,7 +89,8 @@ public void completionInRoot() throws BadLocationException {
 				+ //
 				"	mod|" + //
 				"</project>";
-		testCompletionFor(xml, c("modelVersion", te(3, 1, 3, 4, "<modelVersion></modelVersion>"), "modelVersion"), //
+		testCompletionWithCatalogFor(xml, //
+				c("modelVersion", te(3, 1, 3, 4, "<modelVersion></modelVersion>"), "modelVersion"), //
 				c("parent", "<parent></parent>", "parent"));
 	}
 
@@ -95,7 +102,8 @@ public void completionInRootWithCloseBracket() throws BadLocationException {
 				+ //
 				"	<|  >" + // here last '<' is replaced with <modelVersion></modelVersion>
 				"</project>";
-		testCompletionFor(xml, c("modelVersion", te(3, 1, 3, 5, "<modelVersion></modelVersion>"), "<modelVersion"), //
+		testCompletionWithCatalogFor(xml,
+				c("modelVersion", te(3, 1, 3, 5, "<modelVersion></modelVersion>"), "<modelVersion"), //
 				c("parent", "<parent></parent>", "<parent"));
 	}
 
@@ -107,7 +115,7 @@ public void completionInChildElement() throws BadLocationException {
 				+ //
 				"	<parent><|" + //
 				"</project>";
-		testCompletionFor(xml, c("groupId", "<groupId></groupId>", "<groupId"), //
+		testCompletionWithCatalogFor(xml, c("groupId", "<groupId></groupId>", "<groupId"), //
 				c("artifactId", "<artifactId></artifactId>", "<artifactId"), //
 				c("version", "<version></version>", "<version"));
 	}
@@ -120,7 +128,7 @@ public void completionInChildElementNoOpenBracket() throws BadLocationException
 				+ //
 				"	<parent>|" + //
 				"</project>";
-		testCompletionFor(xml, c("groupId", "<groupId></groupId>", "groupId"), //
+		testCompletionWithCatalogFor(xml, c("groupId", "<groupId></groupId>", "groupId"), //
 				c("artifactId", "<artifactId></artifactId>", "artifactId"), //
 				c("version", "<version></version>", "version"));
 	}
@@ -140,7 +148,7 @@ public void completionInRootWithAndWithoutPrefixes() throws BadLocationException
 				"         http://camel.apache.org/schema/cxf http://camel.apache.org/schema/cxf/camel-cxf.xsd\">\r\n" + //
 				"\r\n" + //
 				"  <| ";
-		testCompletionFor(xml, c("bean", "<bean></bean>", "<bean"),
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>", "<bean"),
 				c("camel:camelContext", "<camel:camelContext></camel:camelContext>", "<camel:camelContext"));
 	}
 
@@ -159,7 +167,7 @@ public void completionInRootWithAndWithoutPrefixesNoOpenBracket() throws BadLoca
 				"         http://camel.apache.org/schema/cxf http://camel.apache.org/schema/cxf/camel-cxf.xsd\">\r\n" + //
 				"\r\n" + //
 				"  | ";
-		testCompletionFor(xml, c("bean", "<bean></bean>", "bean"),
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>", "bean"),
 				c("camel:camelContext", "<camel:camelContext></camel:camelContext>", "camel:camelContext"));
 	}
 
@@ -178,7 +186,7 @@ public void completionInRootWithOnlyPrefix() throws BadLocationException {
 				"         http://camel.apache.org/schema/cxf http://camel.apache.org/schema/cxf/camel-cxf.xsd\">\r\n" + //
 				"\r\n" + //
 				"  <camel:| ";
-		testCompletionFor(xml, c("camel:camelContext", "<camel:camelContext></camel:camelContext>"));
+		testCompletionWithCatalogFor(xml, c("camel:camelContext", "<camel:camelContext></camel:camelContext>"));
 	}
 
 	@Test
@@ -196,7 +204,7 @@ public void completionInChildElementWithPrefixes() throws BadLocationException {
 				"         http://camel.apache.org/schema/cxf http://camel.apache.org/schema/cxf/camel-cxf.xsd\">\r\n" + //
 				"\r\n" + //
 				"  <camel:camelContext><| ";
-		testCompletionFor(xml, c("camel:route", "<camel:route></camel:route>"),
+		testCompletionWithCatalogFor(xml, c("camel:route", "<camel:route></camel:route>"),
 				c("camel:template", "<camel:template />"));
 	}
 
@@ -206,7 +214,7 @@ public void completionInChildElementWithElementWhichDeclareNS() throws BadLocati
 				"<root>\r\n" + //
 				"  <camelContext id=\"camel\" xmlns=\"http://camel.apache.org/schema/spring\">\r\n" + "\r\n" + //
 				"    <|";
-		testCompletionFor(xml, c("route", "<route></route>"), c("template", "<template />"));
+		testCompletionWithCatalogFor(xml, c("route", "<route></route>"), c("template", "<template />"));
 	}
 
 	@Test
@@ -259,7 +267,7 @@ public void completionOnAttributeName() throws BadLocationException {
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean |/>";
-		testCompletionFor(xml, c("abstract", "abstract=\"false\""), c("autowire", "autowire=\"default\""),
+		testCompletionWithCatalogFor(xml, c("abstract", "abstract=\"false\""), c("autowire", "autowire=\"default\""),
 				c("class", "class=\"\""));
 	}
 
@@ -269,7 +277,8 @@ public void completionOnAttributeValue() throws BadLocationException {
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean autowire=\"|\"/>";
-		testCompletionFor(xml, c("byName", "byName"), c("byType", "byType"), c("constructor", "constructor"));
+		testCompletionWithCatalogFor(xml, c("byName", "byName"), c("byType", "byType"),
+				c("constructor", "constructor"));
 	}
 
 	@Test
@@ -419,49 +428,49 @@ public void completionWithoutStartBracket() throws BadLocationException {
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	|";
-		testCompletionFor(xml, c("bean", "<bean></bean>"));
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	|" + "</beans>";
-		testCompletionFor(xml, c("bean", "<bean></bean>"));
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean />|" + "</beans>";
-		testCompletionFor(xml, c("bean", "<bean></bean>"));
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean />|";
-		testCompletionFor(xml, c("bean", "<bean></bean>"));
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean ></bean>|" + "</beans>";
-		testCompletionFor(xml, c("bean", "<bean></bean>"));
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean ></bean>|";
-		testCompletionFor(xml, c("bean", "<bean></bean>"));
+		testCompletionWithCatalogFor(xml, c("bean", "<bean></bean>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean>|</bean>";
-		testCompletionFor(xml, c("constructor-arg", "<constructor-arg></constructor-arg>"));
+		testCompletionWithCatalogFor(xml, c("constructor-arg", "<constructor-arg></constructor-arg>"));
 
 		xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //
 				"<beans xmlns=\"http://www.springframework.org/schema/beans\" xsi:schemaLocation=\"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\r\n"
 				+ //
 				"	<bean>\r\n   |      \r\n</bean>";
-		testCompletionFor(xml, c("constructor-arg", "<constructor-arg></constructor-arg>"));
+		testCompletionWithCatalogFor(xml, c("constructor-arg", "<constructor-arg></constructor-arg>"));
 
 	}
 
@@ -541,7 +550,7 @@ public void issue214() throws BadLocationException {
 				"      <Annotation Term=\"Core.DefaultNamespace\" />      \r\n" + //
 				"    </edmx:Include>\r\n" + //
 				" |";
-		testCompletionFor(xml, c("Annotation", "<Annotation Term=\"\"></Annotation>"), //
+		testCompletionWithCatalogFor(xml, c("Annotation", "<Annotation Term=\"\"></Annotation>"), //
 				c("edmx:Include", "<edmx:Include Namespace=\"\"></edmx:Include>"), //
 				c("edmx:IncludeAnnotations", "<edmx:IncludeAnnotations TermNamespace=\"\" />"));
 
@@ -550,7 +559,7 @@ public void issue214() throws BadLocationException {
 				+ "  <edmx:DataServices>\r\n" + //
 				"    <Schema Namespace=\"ODataDemo\">\r\n" + //
 				" |";
-		testCompletionFor(xml, c("Action", "<Action Name=\"\"></Action>"), //
+		testCompletionWithCatalogFor(xml, c("Action", "<Action Name=\"\"></Action>"), //
 				c("Annotation", "<Annotation Term=\"\"></Annotation>"), //
 				c("Annotations", "<Annotations Target=\"\"></Annotations>"), //
 				c("ComplexType", "<ComplexType Name=\"\"></ComplexType>"));
@@ -618,50 +627,71 @@ public void issue311() throws BadLocationException {
 
 	@Test
 	public void xsiCompletionTestAllItems() throws BadLocationException {
-		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n"
-				+ "    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + "    |>\r\n" + "</project>";
-		XMLAssert.testCompletionFor(xml, 4, c("xsi:nil", "xsi:nil=\"true\""), c("xsi:type", "xsi:type=\"\""),
-				c("xsi:noNamespaceSchemaLocation", "xsi:noNamespaceSchemaLocation=\"\""),
+		String xml = "<project\r\n" + //
+				"    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
+				"    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
+				"    |>\r\n" + //
+				"</project>";
+
+		XMLAssert.testCompletionFor(xml, 4, //
+				c("xsi:nil", "xsi:nil=\"true\""), //
+				c("xsi:type", "xsi:type=\"\""), //
+				c("xsi:noNamespaceSchemaLocation", "xsi:noNamespaceSchemaLocation=\"\""), //
 				c("xsi:schemaLocation", "xsi:schemaLocation=\"\""));
 	}
 
 	@Test
 	public void xsiCompletionNonRootElement() throws BadLocationException {
-		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n"
-				+ "    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n"
-				+ "    xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\">\r\n"
-				+ "  <modelVersion xs|></modelVersion>\r\n" + "</project>";
+		String xml = "<project\r\n" + //
+				"    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
+				"    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
+				"    xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\">\r\n"
+				+ //
+				"  <modelVersion xs|></modelVersion>\r\n" + "</project>";
 
-		XMLAssert.testCompletionFor(xml, 2, c("xsi:nil", "xsi:nil=\"true\""), c("xsi:type", "xsi:type=\"\""));
+		XMLAssert.testCompletionFor(xml, 2, //
+				c("xsi:nil", "xsi:nil=\"true\""), //
+				c("xsi:type", "xsi:type=\"\""));
 	}
 
 	@Test
 	public void xsiCompletionNonRootElement2() throws BadLocationException {
-		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n"
-				+ "    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n"
-				+ "    xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\">\r\n"
-				+ "  <modelVersion xsi:nil=\"\" |></modelVersion>\r\n" + "</project>";
+		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
+				"    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
+				"    xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\">\r\n"
+				+ //
+				"  <modelVersion xsi:nil=\"\" |></modelVersion>\r\n" + "</project>";
 
-		XMLAssert.testCompletionFor(xml, 1, c("xsi:type", "xsi:type=\"\""));
+		XMLAssert.testCompletionFor(xml, 1, //
+				c("xsi:type", "xsi:type=\"\""));
 	}
 
 	@Test
 	public void xsiCompletionNotUsingXSIName() throws BadLocationException {
-		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n"
-				+ "    xmlns:XXY=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n"
-				+ "    XXY:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\" |>\r\n"
-				+ "  <modelVersion></modelVersion>\r\n" + "</project>";
+		String xml = "<project\r\n" + //
+				"    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
+				"    xmlns:XXY=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
+				"    XXY:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\" |>\r\n"
+				+ //
+				"  <modelVersion></modelVersion>\r\n" + "</project>";
 
-		XMLAssert.testCompletionFor(xml, 4, c("XXY:nil", "XXY:nil=\"true\""), c("XXY:type", "XXY:type=\"\""),
+		testCompletionWithCatalogFor(xml, 4, //
+				c("child.project.url.inherit.append.path", "child.project.url.inherit.append.path=\"\""), //
+				c("XXY:nil", "XXY:nil=\"true\""), //
+				c("XXY:type", "XXY:type=\"\""),
 				c("XXY:noNamespaceSchemaLocation", "XXY:noNamespaceSchemaLocation=\"\""));
 	}
 
 	@Test
 	public void xmlnsXSICompletion() throws BadLocationException {
-		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + "    xsi:|>\r\n"
-				+ "  <modelVersion></modelVersion>\r\n" + "</project>";
+		String xml = "<project\r\n" + //
+				"    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
+				"    xsi:|>\r\n" + //
+				"  <modelVersion></modelVersion>\r\n" + //
+				"</project>";
 
-		XMLAssert.testCompletionFor(xml, 1, c("xmlns:xsi", "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""));
+		XMLAssert.testCompletionFor(xml, 1, //
+				c("xmlns:xsi", "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""));
 	}
 
 	@Test
@@ -675,12 +705,16 @@ public void xmlnsXSIValueCompletion() throws BadLocationException {
 
 	@Test
 	public void xsiCompletionSchemaLocationExists() throws BadLocationException {
-		String xml = "<project\r\n" + "    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n"
-				+ "    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n"
-				+ "    xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\" |>\r\n"
-				+ "  <modelVersion></modelVersion>\r\n" + "</project>";
+		String xml = "<project\r\n" + //
+				"    xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + //
+				"    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //
+				"    xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd\" |>\r\n"
+				+ "  <modelVersion></modelVersion>\r\n" + //
+				"</project>";
 
-		XMLAssert.testCompletionFor(xml, 4, c("xsi:nil", "xsi:nil=\"true\""), c("xsi:type", "xsi:type=\"\""),
+		XMLAssert.testCompletionFor(xml, 4, //
+				c("xsi:nil", "xsi:nil=\"true\""), //
+				c("xsi:type", "xsi:type=\"\""), //
 				c("xsi:noNamespaceSchemaLocation", "xsi:noNamespaceSchemaLocation=\"\""));
 	}
 
@@ -1237,7 +1271,7 @@ public void documentationAsPlainText() throws BadLocationException {
 				+ //
 				"	<|" + //
 				"</project>";
-		testCompletionFor(xml, c("groupId", te(3, 1, 3, 2, "<groupId></groupId>"), "<groupId", "3.0.0+" + //
+		testCompletionWithCatalogFor(xml, c("groupId", te(3, 1, 3, 2, "<groupId></groupId>"), "<groupId", "3.0.0+" + //
 				System.lineSeparator() + //
 				System.lineSeparator() + //
 				"A universally unique identifier for a project. It is normal to use " + //
@@ -1274,8 +1308,14 @@ private static String getXMLSchemaFileURI(String schemaURI) throws MalformedURIE
 				"/");
 	}
 
-	private void testCompletionFor(String xml, CompletionItem... expectedItems) throws BadLocationException {
-		XMLAssert.testCompletionFor(xml, "src/test/resources/catalogs/catalog.xml", expectedItems);
+	private static void testCompletionWithCatalogFor(String xml, CompletionItem... expectedItems)
+			throws BadLocationException {
+		testCompletionWithCatalogFor(xml, null, expectedItems);
+	}
+
+	private static void testCompletionWithCatalogFor(String xml, Integer expectedCount, CompletionItem... expectedItems)
+			throws BadLocationException {
+		XMLAssert.testCompletionFor(xml, "src/test/resources/catalogs/catalog.xml", null, expectedCount, expectedItems);
 	}
 
 	private void testCompletionMarkdownSupportFor(String xml, CompletionItem... expectedItems)
diff --git a/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaDiagnosticsTest.java b/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaDiagnosticsTest.java
index b6336ba91..fa0344fca 100644
--- a/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaDiagnosticsTest.java
+++ b/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaDiagnosticsTest.java
@@ -38,6 +38,7 @@
 import org.eclipse.lemminx.settings.EnforceQuoteStyle;
 import org.eclipse.lemminx.settings.QuoteStyle;
 import org.eclipse.lemminx.settings.SharedSettings;
+import org.eclipse.lsp4j.CodeAction;
 import org.eclipse.lsp4j.Diagnostic;
 import org.eclipse.lsp4j.DiagnosticRelatedInformation;
 import org.eclipse.lsp4j.DiagnosticSeverity;
@@ -556,13 +557,21 @@ public void fuzzyElementNameCodeActionTest() throws Exception {
 		String xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\" \r\n"
 				+ "         xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n"
 				+ "         xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\">\r\n"
-				+ "    <modules>\r\n" + "      <bodule></bodule>\r\n" + // should be 'module'
-				"    </modules>\r\n" + "</project>";
+				+ "    <modules>\r\n" + //
+				"      <bodule></bodule>\r\n" + // should be 'module'
+				"    </modules>\r\n" + //
+				"</project>";
 		Diagnostic diagnostic = d(4, 7, 4, 13, XMLSchemaErrorCode.cvc_complex_type_2_4_a,
 				"Invalid element name:\n - bodule\n\nOne of the following is expected:\n - module\n\nError indicated by:\n {http://maven.apache.org/POM/4.0.0}\nwith code:");
 		testDiagnosticsWithCatalogFor(xml, diagnostic);
 
-		testCodeActionsFor(xml, diagnostic, ca(diagnostic, te(4, 7, 4, 13, "module"), te(4, 16, 4, 22, "module")));
+		testCodeActionsWithCatalogFor(xml, diagnostic,
+				ca(diagnostic, te(4, 7, 4, 13, "module"), te(4, 16, 4, 22, "module")));
+	}
+
+	private void testCodeActionsWithCatalogFor(String xml, Diagnostic diagnostic, CodeAction... expected)
+			throws BadLocationException {
+		XMLAssert.testCodeActionsFor(xml, diagnostic, "src/test/resources/catalogs/catalog.xml", expected);
 	}
 
 	@Test
@@ -586,7 +595,7 @@ public void fuzzyElementNamesWithOtherOptionsCodeActionTest() throws Exception {
 						" {http://maven.apache.org/POM/4.0.0}\n" + //
 						"with code:");
 		testDiagnosticsWithCatalogFor(xml, diagnostic);
-		testCodeActionsFor(xml, diagnostic, //
+		testCodeActionsWithCatalogFor(xml, diagnostic, //
 				ca(diagnostic, te(4, 7, 4, 16, "notifiers"), te(4, 19, 4, 28, "notifiers")), //
 				ca(diagnostic, te(4, 7, 4, 16, "system"), te(4, 19, 4, 28, "system")), //
 				ca(diagnostic, te(4, 7, 4, 16, "url"), te(4, 19, 4, 28, "url")));
@@ -629,8 +638,8 @@ public void fuzzyElementNamesWithPrefix() throws Exception {
 		Diagnostic diagnostic = d(6, 5, 6, 16, XMLSchemaErrorCode.cvc_complex_type_2_4_c,
 				"cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'camel:beani'.");
 		testDiagnosticsWithCatalogFor(xml, diagnostic);
-
-		testCodeActionsFor(xml, diagnostic, //
+		
+		testCodeActionsWithCatalogFor(xml, diagnostic, //
 				ca(diagnostic, te(6, 11, 6, 16, "bean"), te(6, 25, 6, 30, "bean")), //
 				ca(diagnostic, te(6, 11, 6, 16, "beanio"), te(6, 25, 6, 30, "beanio")));
 	}
@@ -1236,7 +1245,7 @@ public void schemaLocationEnabledWithOnValidSchema() throws Exception {
 				"<team\r\n" + //
 				"     name=\"too long a string\"\r\n" + // <- error
 				"     xmlns=\"team_namespace\"\r\n" + //
-				"     xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + //SchemaLocation
+				"     xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n" + // SchemaLocation
 				"     xsi:schemaLocation=\"team_namespace BAD_LOCATION.xsd \">\r\n" + //
 				"</team>";
 		testDiagnosticsFor(xml, null, null, null, true, settings);
@@ -1244,12 +1253,9 @@ public void schemaLocationEnabledWithOnValidSchema() throws Exception {
 
 	@Test
 	public void schemaLocationWithOddUris() throws Exception {
-		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" +
-		"<ns:root\r\n" +
-		"xmlns:ns='http://foo'\r\n" +
-		"xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'\r\n" +
-		"xsi:schemaLocation='http://foo foo.xsd http://bar'>\r\n" +
-		"</ns:root>";
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + "<ns:root\r\n" + "xmlns:ns='http://foo'\r\n"
+				+ "xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'\r\n"
+				+ "xsi:schemaLocation='http://foo foo.xsd http://bar'>\r\n" + "</ns:root>";
 
 		Diagnostic d1 = d(4, 19, 4, 50, XMLSchemaErrorCode.SchemaLocation);
 		Diagnostic d2 = d(4, 31, 4, 38, XMLSchemaErrorCode.schema_reference_4);
diff --git a/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaTypeDefinitionWithCacheExtensionsTest.java b/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaTypeDefinitionWithCacheExtensionsTest.java
index 1e86fa8b0..e9d55a00f 100644
--- a/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaTypeDefinitionWithCacheExtensionsTest.java
+++ b/org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaTypeDefinitionWithCacheExtensionsTest.java
@@ -67,7 +67,7 @@ public void typeDefinitionPOMCache() throws Exception {
 				"	xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd\">\r\n";
 
 		testTypeDefinitionFor(ls, null, configuration, xml, "pom.xml",
-				ll(targetSchemaURI, r(0, 1, 0, 8), r(6, 19, 6, 28)));
+				ll(targetSchemaURI, r(0, 1, 0, 8), r(24, 19, 24, 28)));
 
 		// /project/parent type definition
 		xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + // <- type definition for project
@@ -76,7 +76,7 @@ public void typeDefinitionPOMCache() throws Exception {
 				+ "<paren|t>";
 
 		testTypeDefinitionFor(ls, null, configuration, xml, "pom.xml",
-				ll(targetSchemaURI, r(3, 1, 3, 7), r(34, 37, 34, 45)));
+				ll(targetSchemaURI, r(3, 1, 3, 7), r(52, 37, 52, 45)));
 
 		// /project/parent/groupId type definition
 		xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + // <- type definition for project
@@ -85,7 +85,7 @@ public void typeDefinitionPOMCache() throws Exception {
 				+ "<parent>" + "<grou|pId>";
 
 		testTypeDefinitionFor(ls, null, configuration, xml, "pom.xml",
-				ll(targetSchemaURI, r(3, 9, 3, 16), r(358, 37, 358, 46)));
+				ll(targetSchemaURI, r(3, 9, 3, 16), r(842, 37, 842, 46)));
 
 		// /project/XXX type definition
 		xml = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"\r\n" + // <- type definition for project
diff --git a/org.eclipse.lemminx/src/test/resources/xsd/maven-4.0.0.xsd b/org.eclipse.lemminx/src/test/resources/xsd/maven-4.0.0.xsd
index 0b1a85944..34c23b6b5 100644
--- a/org.eclipse.lemminx/src/test/resources/xsd/maven-4.0.0.xsd
+++ b/org.eclipse.lemminx/src/test/resources/xsd/maven-4.0.0.xsd
@@ -1,6 +1,24 @@
 <?xml version="1.0"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
 <!-- =================== DO NOT EDIT THIS FILE ====================         -->
-<!-- Generated by Modello 1.8.3,                                            -->
+<!-- Generated by Modello 1.11,                                             -->
 <!-- any modifications will be overwritten.                                 -->
 <!-- ==============================================================         -->
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" xmlns="http://maven.apache.org/POM/4.0.0" targetNamespace="http://maven.apache.org/POM/4.0.0">
@@ -105,7 +123,8 @@
           <xs:documentation source="description">
             
             The URL to the project&apos;s homepage.
-            &lt;br /&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + artifactId
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + (artifactId or project.directory property), or just parent value if
+            project&apos;s &lt;code&gt;child.project.url.inherit.append.path=&quot;false&quot;&lt;/code&gt;
             
           </xs:documentation>
         </xs:annotation>
@@ -261,7 +280,7 @@
             These dependencies are used to construct a classpath for your
             project during the build process. They are automatically downloaded from the
             repositories defined in this project.
-            See &lt;a href=&quot;http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html&quot;&gt;the
+            See &lt;a href=&quot;https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html&quot;&gt;the
             dependency mechanism&lt;/a&gt; for more information.
             
           </xs:documentation>
@@ -343,259 +362,212 @@
         </xs:complexType>
       </xs:element>
     </xs:all>
-  </xs:complexType>
-  <xs:complexType name="Parent">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">
-        
-        The &lt;code&gt;&amp;lt;parent&amp;gt;&lt;/code&gt; element contains information required to locate the parent project from which
-        this project will inherit from.
-        &lt;strong&gt;Note:&lt;/strong&gt; The children of this element are not interpolated and must be given as literal values.
-        
-      </xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="groupId" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The group id of the parent project to inherit from.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="artifactId" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The artifact id of the parent project to inherit from.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="version" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The version of the parent project to inherit.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="relativePath" type="xs:string" default="../pom.xml">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
+    <xs:attribute name="child.project.url.inherit.append.path" type="xs:string" use="optional">
+      <xs:annotation>
+        <xs:documentation source="version">4.0.0+</xs:documentation>
+        <xs:documentation source="description">
             
-            The relative path of the parent &lt;code&gt;pom.xml&lt;/code&gt; file within the check out.
-            If not specified, it defaults to &lt;code&gt;../pom.xml&lt;/code&gt;.
-            Maven looks for the parent POM first in this location on
-            the filesystem, then the local repository, and lastly in the remote repo.
-            &lt;code&gt;relativePath&lt;/code&gt; allows you to select a different location,
-            for example when your structure is flat, or deeper without an intermediate parent POM.
-            However, the group ID, artifact ID and version are still required,
-            and must match the file in the location given or it will revert to the repository for the POM.
-            This feature is only for enhancing the development in a local checkout of that project.
-            Set the value to an empty string in case you want to disable the feature and always resolve
-            the parent POM from the repositories.
+            When children inherit from project&apos;s url, append path or not? Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: &lt;code&gt;true&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Since&lt;/b&gt;: Maven 3.6.1
             
           </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-    </xs:all>
+      </xs:annotation>
+    </xs:attribute>
   </xs:complexType>
-  <xs:complexType name="Organization">
+  <xs:complexType name="License">
     <xs:annotation>
       <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">Specifies the organization that produces this project.</xs:documentation>
+      <xs:documentation source="description">Describes the licenses for this project. This is used to generate the license
+        page of the project&apos;s web site, as well as being taken into consideration in other reporting
+        and validation. The licenses listed for the project are that of the project itself, and not
+        of dependencies.</xs:documentation>
     </xs:annotation>
     <xs:all>
       <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The full name of the organization.</xs:documentation>
+          <xs:documentation source="description">The full legal name of the license.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The URL to the organization&apos;s home page.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="DistributionManagement">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">This elements describes all that pertains to distribution for a project. It is
-        primarily used for deployment of artifacts and the site produced by the build.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="repository" type="DeploymentRepository">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Information needed to deploy the artifacts generated by the project to a
-            remote repository.</xs:documentation>
+          <xs:documentation source="description">The official url for the license text.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="snapshotRepository" type="DeploymentRepository">
+      <xs:element minOccurs="0" name="distribution" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Where to deploy snapshots of artifacts to. If not given, it defaults to the
-            &lt;code&gt;repository&lt;/code&gt; element.
+            The primary method by which this project may be distributed.
+            &lt;dl&gt;
+              &lt;dt&gt;repo&lt;/dt&gt;
+              &lt;dd&gt;may be downloaded from the Maven repository&lt;/dd&gt;
+              &lt;dt&gt;manual&lt;/dt&gt;
+              &lt;dd&gt;user must manually download and install the dependency.&lt;/dd&gt;
+            &lt;/dl&gt;
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="site" type="Site">
+      <xs:element minOccurs="0" name="comments" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Information needed for deploying the web site of the project.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">Addendum information pertaining to this license.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="downloadUrl" type="xs:string">
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="CiManagement">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">
+        
+        The &lt;code&gt;&amp;lt;CiManagement&amp;gt;&lt;/code&gt; element contains informations required to the
+        continuous integration system of the project.
+        
+      </xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="system" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The URL of the project&apos;s download page. If not given users will be
-            referred to the homepage given by &lt;code&gt;url&lt;/code&gt;.
-            This is given to assist in locating artifacts that are not in the repository due to
-            licensing restrictions.
+            The name of the continuous integration system, e.g. &lt;code&gt;continuum&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="relocation" type="Relocation">
+      <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Relocation information of the artifact if it has been moved to a new group ID
-            and/or artifact ID.</xs:documentation>
+          <xs:documentation source="description">URL for the continuous integration system used by the project if it has a web
+            interface.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="status" type="xs:string">
+      <xs:element minOccurs="0" name="notifiers">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            Gives the status of this artifact in the remote repository.
-            This must not be set in your local project, as it is updated by
-            tools placing it in the reposiory. Valid values are: &lt;code&gt;none&lt;/code&gt; (default),
-            &lt;code&gt;converted&lt;/code&gt; (repository manager converted this from an Maven 1 POM),
-            &lt;code&gt;partner&lt;/code&gt;
-            (directly synced from a partner Maven 2 repository), &lt;code&gt;deployed&lt;/code&gt; (was deployed from a Maven 2
-            instance), &lt;code&gt;verified&lt;/code&gt; (has been hand verified as correct and final).
-            
-          </xs:documentation>
+          <xs:documentation source="description">Configuration for notifying developers/users when a build is unsuccessful,
+            including user information and notification mode.</xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="notifier" minOccurs="0" maxOccurs="unbounded" type="Notifier"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Relocation">
+  <xs:complexType name="Notifier">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Describes where an artifact has moved to. If any of the values are omitted, it is
-        assumed to be the same as it was before.</xs:documentation>
+      <xs:documentation source="description">Configures one method for notifying users/developers when a build breaks.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="groupId" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The group ID the artifact has moved to.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="artifactId" type="xs:string">
+      <xs:element minOccurs="0" name="type" type="xs:string" default="mail">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The new artifact ID of the artifact.</xs:documentation>
+          <xs:documentation source="description">The mechanism used to deliver notifications.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="version" type="xs:string">
+      <xs:element minOccurs="0" name="sendOnError" type="xs:boolean" default="true">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The new version of the artifact.</xs:documentation>
+          <xs:documentation source="description">Whether to send notifications on error.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="message" type="xs:string">
+      <xs:element minOccurs="0" name="sendOnFailure" type="xs:boolean" default="true">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">An additional message to show the user about the move, such as the reason.</xs:documentation>
+          <xs:documentation source="description">Whether to send notifications on failure.</xs:documentation>
         </xs:annotation>
       </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="Site">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Contains the information needed for deploying websites.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="id" type="xs:string">
+      <xs:element minOccurs="0" name="sendOnSuccess" type="xs:boolean" default="true">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            A unique identifier for a deployment location. This is used to match the
-            site to configuration in the &lt;code&gt;settings.xml&lt;/code&gt; file, for example.
-            
-          </xs:documentation>
+          <xs:documentation source="description">Whether to send notifications on success.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="name" type="xs:string">
+      <xs:element minOccurs="0" name="sendOnWarning" type="xs:boolean" default="true">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Human readable name of the deployment location.</xs:documentation>
+          <xs:documentation source="description">Whether to send notifications on warning.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="url" type="xs:string">
+      <xs:element minOccurs="0" name="address" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The url of the location where website is deployed, in the form &lt;code&gt;protocol://hostname/path&lt;/code&gt;.
-            &lt;br /&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + artifactId
+            &lt;b&gt;Deprecated&lt;/b&gt;. Where to send the notification to - eg email address.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
+      <xs:element minOccurs="0" name="configuration">
+        <xs:annotation>
+          <xs:documentation source="version">0.0.0+</xs:documentation>
+          <xs:documentation source="description">Extended configuration specific to this notifier goes here.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="DeploymentRepository">
+  <xs:complexType name="Scm">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Repository contains the information needed for deploying to the remote
-        repository.</xs:documentation>
+      <xs:documentation source="description">
+        
+        The &lt;code&gt;&amp;lt;scm&amp;gt;&lt;/code&gt; element contains informations required to the SCM
+        (Source Control Management) of the project.
+        
+      </xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="uniqueVersion" type="xs:boolean" default="true">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Whether to assign snapshots a unique version comprised of the timestamp and
-            build number, or to use the same version each time</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="releases" type="RepositoryPolicy">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">How to handle downloading of releases from this repository.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="snapshots" type="RepositoryPolicy">
+      <xs:element minOccurs="0" name="connection" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">How to handle downloading of snapshots from this repository.</xs:documentation>
+          <xs:documentation source="description">
+            
+            The source control management system URL
+            that describes the repository and how to connect to the
+            repository. For more information, see the
+            &lt;a href=&quot;https://maven.apache.org/scm/scm-url-format.html&quot;&gt;URL format&lt;/a&gt;
+            and &lt;a href=&quot;https://maven.apache.org/scm/scms-overview.html&quot;&gt;list of supported SCMs&lt;/a&gt;.
+            This connection is read-only.
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + (artifactId or project.directory property), or just parent value if
+            scm&apos;s &lt;code&gt;child.scm.connection.inherit.append.path=&quot;false&quot;&lt;/code&gt;
+            
+          </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="id" type="xs:string">
+      <xs:element minOccurs="0" name="developerConnection" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            A unique identifier for a repository. This is used to match the repository
-            to configuration in the &lt;code&gt;settings.xml&lt;/code&gt; file, for example. Furthermore, the identifier is
-            used during POM inheritance and profile injection to detect repositories that should be merged.
+            Just like &lt;code&gt;connection&lt;/code&gt;, but for developers, i.e. this scm connection
+            will not be read only.
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + (artifactId or project.directory property), or just parent value if
+            scm&apos;s &lt;code&gt;child.scm.developerConnection.inherit.append.path=&quot;false&quot;&lt;/code&gt;
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="name" type="xs:string">
+      <xs:element minOccurs="0" name="tag" type="xs:string" default="HEAD">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Human readable name of the repository.</xs:documentation>
+          <xs:documentation source="description">The tag of current code. By default, it&apos;s set to HEAD during development.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="url" type="xs:string">
@@ -603,106 +575,323 @@
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The url of the repository, in the form &lt;code&gt;protocol://hostname/path&lt;/code&gt;.
+            The URL to the project&apos;s browsable SCM repository, such as ViewVC or Fisheye.
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + (artifactId or project.directory property), or just parent value if
+            scm&apos;s &lt;code&gt;child.scm.url.inherit.append.path=&quot;false&quot;&lt;/code&gt;
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="layout" type="xs:string" default="default">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
+    </xs:all>
+    <xs:attribute name="child.scm.connection.inherit.append.path" type="xs:string" use="optional">
+      <xs:annotation>
+        <xs:documentation source="version">4.0.0+</xs:documentation>
+        <xs:documentation source="description">
             
-            The type of layout this repository uses for locating and storing artifacts -
-            can be &lt;code&gt;legacy&lt;/code&gt; or &lt;code&gt;default&lt;/code&gt;.
+            When children inherit from scm connection, append path or not? Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: &lt;code&gt;true&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Since&lt;/b&gt;: Maven 3.6.1
             
           </xs:documentation>
+      </xs:annotation>
+    </xs:attribute>
+    <xs:attribute name="child.scm.developerConnection.inherit.append.path" type="xs:string" use="optional">
+      <xs:annotation>
+        <xs:documentation source="version">4.0.0+</xs:documentation>
+        <xs:documentation source="description">
+            
+            When children inherit from scm developer connection, append path or not? Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: &lt;code&gt;true&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Since&lt;/b&gt;: Maven 3.6.1
+            
+          </xs:documentation>
+      </xs:annotation>
+    </xs:attribute>
+    <xs:attribute name="child.scm.url.inherit.append.path" type="xs:string" use="optional">
+      <xs:annotation>
+        <xs:documentation source="version">4.0.0+</xs:documentation>
+        <xs:documentation source="description">
+            
+            When children inherit from scm url, append path or not? Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: &lt;code&gt;true&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Since&lt;/b&gt;: Maven 3.6.1
+            
+          </xs:documentation>
+      </xs:annotation>
+    </xs:attribute>
+  </xs:complexType>
+  <xs:complexType name="IssueManagement">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Information about the issue tracking (or bug tracking) system used to manage this
+        project.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="system" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The name of the issue management system, e.g. Bugzilla</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="url" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">URL for the issue management system used by the project.</xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="RepositoryPolicy">
+  <xs:complexType name="DependencyManagement">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Download policy.</xs:documentation>
+      <xs:documentation source="description">Section for management of default dependency information for use in a group of
+        POMs.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="enabled" type="xs:string">
+      <xs:element minOccurs="0" name="dependencies">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The dependencies specified here are not used until they are referenced in a
+            POM within the group. This allows the specification of a &quot;standard&quot; version for a
+            particular dependency.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded" type="Dependency"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="Dependency">
+    <xs:annotation>
+      <xs:documentation source="version">3.0.0+</xs:documentation>
+      <xs:documentation source="description">
+        
+        The &lt;code&gt;&amp;lt;dependency&amp;gt;&lt;/code&gt; element contains information about a dependency
+        of the project.
+        
+      </xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="groupId" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Whether to use this repository for downloading this type of artifact. Note: While the type
-            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
-            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;true&lt;/code&gt;.
+            The project group that produced the dependency, e.g.
+            &lt;code&gt;org.apache.maven&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="updatePolicy" type="xs:string">
+      <xs:element minOccurs="0" name="artifactId" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            The unique id for an artifact produced by the project group, e.g.
+            &lt;code&gt;maven-artifact&lt;/code&gt;.
+            
+          </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="version" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            The version of the dependency, e.g. &lt;code&gt;3.2.1&lt;/code&gt;. In Maven 2, this can also be
+            specified as a range of versions.
+            
+          </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="type" type="xs:string" default="jar">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The frequency for downloading updates - can be
-            &lt;code&gt;always,&lt;/code&gt;
-            &lt;code&gt;daily&lt;/code&gt;
-            (default),
-            &lt;code&gt;interval:XXX&lt;/code&gt;
-            (in minutes) or
-            &lt;code&gt;never&lt;/code&gt;
-            (only if it doesn&apos;t exist locally).
+            The type of dependency, that will be mapped to a file extension, an optional classifier, and a few other attributes.
+            Some examples are &lt;code&gt;jar&lt;/code&gt;, &lt;code&gt;war&lt;/code&gt;, &lt;code&gt;ejb-client&lt;/code&gt;
+            and &lt;code&gt;test-jar&lt;/code&gt;: see &lt;a href=&quot;../maven-core/artifact-handlers.html&quot;&gt;default
+            artifact handlers&lt;/a&gt; for a list. New types can be defined by extensions, so this is not a complete list.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="checksumPolicy" type="xs:string">
+      <xs:element minOccurs="0" name="classifier" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            What to do when verification of an artifact checksum fails. Valid values are
-            &lt;code&gt;ignore&lt;/code&gt;
-            ,
-            &lt;code&gt;fail&lt;/code&gt;
-            or
-            &lt;code&gt;warn&lt;/code&gt;
-            (the default).
+            The classifier of the dependency. It is appended to
+            the filename after the version. This allows:
+            &lt;ul&gt;
+            &lt;li&gt;referring to attached artifact, for example &lt;code&gt;sources&lt;/code&gt; and &lt;code&gt;javadoc&lt;/code&gt;:
+            see &lt;a href=&quot;../maven-core/artifact-handlers.html&quot;&gt;default artifact handlers&lt;/a&gt; for a list,&lt;/li&gt;
+            &lt;li&gt;distinguishing two artifacts
+            that belong to the same POM but were built differently.
+            For example, &lt;code&gt;jdk14&lt;/code&gt; and &lt;code&gt;jdk15&lt;/code&gt;.&lt;/li&gt;
+            &lt;/ul&gt;
+            
+          </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="scope" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            The scope of the dependency - &lt;code&gt;compile&lt;/code&gt;, &lt;code&gt;runtime&lt;/code&gt;,
+            &lt;code&gt;test&lt;/code&gt;, &lt;code&gt;system&lt;/code&gt;, and &lt;code&gt;provided&lt;/code&gt;. Used to
+            calculate the various classpaths used for compilation, testing, and so on.
+            It also assists in determining which artifacts to include in a distribution of
+            this project. For more information, see
+            &lt;a href=&quot;https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html&quot;&gt;the
+            dependency mechanism&lt;/a&gt;. The default scope is &lt;code&gt;compile&lt;/code&gt;.
+            
+          </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="systemPath" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            FOR SYSTEM SCOPE ONLY. Note that use of this property is &lt;b&gt;discouraged&lt;/b&gt;
+            and may be replaced in later versions. This specifies the path on the filesystem
+            for this dependency.
+            Requires an absolute path for the value, not relative.
+            Use a property that gives the machine specific absolute path,
+            e.g. &lt;code&gt;${java.home}&lt;/code&gt;.
+            
+          </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="exclusions">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Lists a set of artifacts that should be excluded from this dependency&apos;s
+            artifact list when it comes to calculating transitive dependencies.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="exclusion" minOccurs="0" maxOccurs="unbounded" type="Exclusion"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="optional" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            Indicates the dependency is optional for use of this library. While the
+            version of the dependency will be taken into account for dependency calculation if the
+            library is used elsewhere, it will not be passed on transitively. Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Prerequisites">
+  <xs:complexType name="Exclusion">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Describes the prerequisites a project can have.</xs:documentation>
+      <xs:documentation source="description">
+        
+        The &lt;code&gt;&amp;lt;exclusion&amp;gt;&lt;/code&gt; element contains informations required to exclude
+        an artifact to the project.
+        
+      </xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="maven" type="xs:string" default="2.0">
+      <xs:element minOccurs="0" name="artifactId" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The artifact ID of the project to exclude.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="groupId" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The group ID of the project to exclude.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="Parent">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">
+        
+        The &lt;code&gt;&amp;lt;parent&amp;gt;&lt;/code&gt; element contains information required to locate the parent project from which
+        this project will inherit from.
+        &lt;strong&gt;Note:&lt;/strong&gt; The children of this element are not interpolated and must be given as literal values.
+        
+      </xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="groupId" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The group id of the parent project to inherit from.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="artifactId" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The artifact id of the parent project to inherit from.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="version" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The version of the parent project to inherit.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="relativePath" type="xs:string" default="../pom.xml">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
-            For a plugin project, the minimum version of Maven required to use
-            the resulting plugin.&lt;br /&gt;
-            For specifying the minimum version of Maven required to build a
-            project, this element is &lt;b&gt;deprecated&lt;/b&gt;. Use the Maven Enforcer
-            Plugin&apos;s &lt;a href=&quot;https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html&quot;&gt;&lt;code&gt;requireMavenVersion&lt;/code&gt;&lt;/a&gt;
-            rule instead.
+            
+            The relative path of the parent &lt;code&gt;pom.xml&lt;/code&gt; file within the check out.
+            If not specified, it defaults to &lt;code&gt;../pom.xml&lt;/code&gt;.
+            Maven looks for the parent POM first in this location on
+            the filesystem, then the local repository, and lastly in the remote repo.
+            &lt;code&gt;relativePath&lt;/code&gt; allows you to select a different location,
+            for example when your structure is flat, or deeper without an intermediate parent POM.
+            However, the group ID, artifact ID and version are still required,
+            and must match the file in the location given or it will revert to the repository for the POM.
+            This feature is only for enhancing the development in a local checkout of that project.
+            Set the value to an empty string in case you want to disable the feature and always resolve
+            the parent POM from the repositories.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Contributor">
+  <xs:complexType name="Developer">
     <xs:annotation>
       <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">Description of a person who has contributed to the project, but who does not have
-        commit privileges. Usually, these contributions come in the form of patches submitted.</xs:documentation>
+      <xs:documentation source="description">Information about one of the committers on this project.</xs:documentation>
     </xs:annotation>
     <xs:all>
+      <xs:element minOccurs="0" name="id" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The unique ID of the developer in the SCM.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
       <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">3.0.0+</xs:documentation>
@@ -775,503 +964,502 @@
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Scm">
+  <xs:complexType name="MailingList">
     <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">
-        
-        The &lt;code&gt;&amp;lt;scm&amp;gt;&lt;/code&gt; element contains informations required to the SCM
-        (Source Control Management) of the project.
-        
-      </xs:documentation>
+      <xs:documentation source="version">3.0.0+</xs:documentation>
+      <xs:documentation source="description">This element describes all of the mailing lists associated with a project. The
+        auto-generated site references this information.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="connection" type="xs:string">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The source control management system URL
-            that describes the repository and how to connect to the
-            repository. For more information, see the
-            &lt;a href=&quot;http://maven.apache.org/scm/scm-url-format.html&quot;&gt;URL format&lt;/a&gt;
-            and &lt;a href=&quot;http://maven.apache.org/scm/scms-overview.html&quot;&gt;list of supported SCMs&lt;/a&gt;.
-            This connection is read-only.
-            &lt;br /&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + artifactId
+            The name of the mailing list.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="developerConnection" type="xs:string">
+      <xs:element minOccurs="0" name="subscribe" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Just like &lt;code&gt;connection&lt;/code&gt;, but for developers, i.e. this scm connection
-            will not be read only.
-            &lt;br /&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + artifactId
+            The email address or link that can be used to subscribe to
+            the mailing list.  If this is an email address, a
+            &lt;code&gt;mailto:&lt;/code&gt; link will automatically be created
+            when the documentation is created.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="tag" type="xs:string" default="HEAD">
+      <xs:element minOccurs="0" name="unsubscribe" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The tag of current code. By default, it&apos;s set to HEAD during development.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            The email address or link that can be used to unsubscribe to
+            the mailing list.  If this is an email address, a
+            &lt;code&gt;mailto:&lt;/code&gt; link will automatically be created
+            when the documentation is created.
+            
+          </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="url" type="xs:string">
+      <xs:element minOccurs="0" name="post" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The URL to the project&apos;s browsable SCM repository, such as ViewVC or Fisheye.
-            &lt;br /&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + artifactId
+            The email address or link that can be used to post to
+            the mailing list.  If this is an email address, a
+            &lt;code&gt;mailto:&lt;/code&gt; link will automatically be created
+            when the documentation is created.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
+      <xs:element minOccurs="0" name="archive" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The link to a URL where you can browse the mailing list archive.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="otherArchives">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The link to alternate URLs where you can browse the list archive.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="otherArchive" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Repository">
+  <xs:complexType name="Contributor">
     <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">A repository contains the information needed for establishing connections with
-        remote repository.</xs:documentation>
+      <xs:documentation source="version">3.0.0+</xs:documentation>
+      <xs:documentation source="description">Description of a person who has contributed to the project, but who does not have
+        commit privileges. Usually, these contributions come in the form of patches submitted.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="releases" type="RepositoryPolicy">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">How to handle downloading of releases from this repository.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The full name of the contributor.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="snapshots" type="RepositoryPolicy">
+      <xs:element minOccurs="0" name="email" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">How to handle downloading of snapshots from this repository.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The email address of the contributor.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="id" type="xs:string">
+      <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            A unique identifier for a repository. This is used to match the repository
-            to configuration in the &lt;code&gt;settings.xml&lt;/code&gt; file, for example. Furthermore, the identifier is
-            used during POM inheritance and profile injection to detect repositories that should be merged.
-            
-          </xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The URL for the homepage of the contributor.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="name" type="xs:string">
+      <xs:element minOccurs="0" name="organization" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Human readable name of the repository.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The organization to which the contributor belongs.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="url" type="xs:string">
+      <xs:element minOccurs="0" name="organizationUrl" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The URL of the organization.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="roles">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The url of the repository, in the form &lt;code&gt;protocol://hostname/path&lt;/code&gt;.
+            The roles the contributor plays in the project. Each role is described by a
+            &lt;code&gt;role&lt;/code&gt; element, the body of which is a role name. This can also be used to
+            describe the contribution.
             
           </xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="role" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="layout" type="xs:string" default="default">
+      <xs:element minOccurs="0" name="timezone" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The type of layout this repository uses for locating and storing artifacts -
-            can be &lt;code&gt;legacy&lt;/code&gt; or &lt;code&gt;default&lt;/code&gt;.
+              The timezone the contributor is in. Typically, this is a number in the range
+              &lt;a href=&quot;http://en.wikipedia.org/wiki/UTC%E2%88%9212:00&quot;&gt;-12&lt;/a&gt; to &lt;a href=&quot;http://en.wikipedia.org/wiki/UTC%2B14:00&quot;&gt;+14&lt;/a&gt;
+              or a valid time zone id like &quot;America/Montreal&quot; (UTC-05:00) or &quot;Europe/Paris&quot; (UTC+01:00).
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
+      <xs:element minOccurs="0" name="properties">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">Properties about the contributor, such as an instant messenger handle.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="IssueManagement">
+  <xs:complexType name="Organization">
     <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Information about the issue tracking (or bug tracking) system used to manage this
-        project.</xs:documentation>
+      <xs:documentation source="version">3.0.0+</xs:documentation>
+      <xs:documentation source="description">Specifies the organization that produces this project.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="system" type="xs:string">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The name of the issue management system, e.g. Bugzilla</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The full name of the organization.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">URL for the issue management system used by the project.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The URL to the organization&apos;s home page.</xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="CiManagement">
+  <xs:complexType name="DistributionManagement">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">
-        
-        The &lt;code&gt;&amp;lt;CiManagement&amp;gt;&lt;/code&gt; element contains informations required to the
-        continuous integration system of the project.
-        
-      </xs:documentation>
+      <xs:documentation source="description">This elements describes all that pertains to distribution for a project. It is
+        primarily used for deployment of artifacts and the site produced by the build.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="system" type="xs:string">
+      <xs:element minOccurs="0" name="repository" type="DeploymentRepository">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Information needed to deploy the artifacts generated by the project to a
+            remote repository.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="snapshotRepository" type="DeploymentRepository">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The name of the continuous integration system, e.g. &lt;code&gt;continuum&lt;/code&gt;.
+            Where to deploy snapshots of artifacts to. If not given, it defaults to the
+            &lt;code&gt;repository&lt;/code&gt; element.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="url" type="xs:string">
+      <xs:element minOccurs="0" name="site" type="Site">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">URL for the continuous integration system used by the project if it has a web
-            interface.</xs:documentation>
+          <xs:documentation source="description">Information needed for deploying the web site of the project.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="notifiers">
+      <xs:element minOccurs="0" name="downloadUrl" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Configuration for notifying developers/users when a build is unsuccessful,
-            including user information and notification mode.</xs:documentation>
+          <xs:documentation source="description">
+            
+            The URL of the project&apos;s download page. If not given users will be
+            referred to the homepage given by &lt;code&gt;url&lt;/code&gt;.
+            This is given to assist in locating artifacts that are not in the repository due to
+            licensing restrictions.
+            
+          </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="notifier" minOccurs="0" maxOccurs="unbounded" type="Notifier"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="Notifier">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Configures one method for notifying users/developers when a build breaks.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="type" type="xs:string" default="mail">
+      <xs:element minOccurs="0" name="relocation" type="Relocation">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The mechanism used to deliver notifications.</xs:documentation>
+          <xs:documentation source="description">Relocation information of the artifact if it has been moved to a new group ID
+            and/or artifact ID.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="sendOnError" type="xs:boolean" default="true">
+      <xs:element minOccurs="0" name="status" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Whether to send notifications on error.</xs:documentation>
+          <xs:documentation source="description">
+            
+            Gives the status of this artifact in the remote repository.
+            This must not be set in your local project, as it is updated by
+            tools placing it in the reposiory. Valid values are: &lt;code&gt;none&lt;/code&gt; (default),
+            &lt;code&gt;converted&lt;/code&gt; (repository manager converted this from an Maven 1 POM),
+            &lt;code&gt;partner&lt;/code&gt;
+            (directly synced from a partner Maven 2 repository), &lt;code&gt;deployed&lt;/code&gt; (was deployed from a Maven 2
+            instance), &lt;code&gt;verified&lt;/code&gt; (has been hand verified as correct and final).
+            
+          </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="sendOnFailure" type="xs:boolean" default="true">
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="DeploymentRepository">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Repository contains the information needed for deploying to the remote
+        repository.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="uniqueVersion" type="xs:boolean" default="true">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Whether to send notifications on failure.</xs:documentation>
+          <xs:documentation source="description">Whether to assign snapshots a unique version comprised of the timestamp and
+            build number, or to use the same version each time</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="sendOnSuccess" type="xs:boolean" default="true">
+      <xs:element minOccurs="0" name="releases" type="RepositoryPolicy">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Whether to send notifications on success.</xs:documentation>
+          <xs:documentation source="description">How to handle downloading of releases from this repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="sendOnWarning" type="xs:boolean" default="true">
+      <xs:element minOccurs="0" name="snapshots" type="RepositoryPolicy">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Whether to send notifications on warning.</xs:documentation>
+          <xs:documentation source="description">How to handle downloading of snapshots from this repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="address" type="xs:string">
+      <xs:element minOccurs="0" name="id" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            &lt;b&gt;Deprecated&lt;/b&gt;. Where to send the notification to - eg email address.
+            A unique identifier for a repository. This is used to match the repository
+            to configuration in the &lt;code&gt;settings.xml&lt;/code&gt; file, for example. Furthermore, the identifier is
+            used during POM inheritance and profile injection to detect repositories that should be merged.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="configuration">
-        <xs:annotation>
-          <xs:documentation source="version">0.0.0+</xs:documentation>
-          <xs:documentation source="description">Extended configuration specific to this notifier goes here.</xs:documentation>
-        </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="Profile">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Modifications to the build process which is activated based on environmental
-        parameters or command line arguments.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="id" type="xs:string" default="default">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The identifier of this build profile. This is used for command line
-            activation, and identifies profiles to be merged.
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="activation" type="Activation">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The conditional logic which will automatically trigger the inclusion of this
-            profile.</xs:documentation>
+          <xs:documentation source="description">Human readable name of the repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="build" type="BuildBase">
+      <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Information required to build the project.</xs:documentation>
+          <xs:documentation source="description">
+            
+            The url of the repository, in the form &lt;code&gt;protocol://hostname/path&lt;/code&gt;.
+            
+          </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="modules">
+      <xs:element minOccurs="0" name="layout" type="xs:string" default="default">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The modules (sometimes called subprojects) to build as a part of this
-            project. Each module listed is a relative path to the directory containing the module.
-            To be consistent with the way default urls are calculated from parent, it is recommended
-            to have module names match artifact ids.</xs:documentation>
+          <xs:documentation source="description">
+            
+            The type of layout this repository uses for locating and storing artifacts -
+            can be &lt;code&gt;legacy&lt;/code&gt; or &lt;code&gt;default&lt;/code&gt;.
+            
+          </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="module" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="distributionManagement" type="DistributionManagement">
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="RepositoryPolicy">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Download policy.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="enabled" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Distribution information for a project that enables deployment of the site
-            and artifacts to remote web servers and repositories respectively.</xs:documentation>
+          <xs:documentation source="description">
+            
+            Whether to use this repository for downloading this type of artifact. Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;true&lt;/code&gt;.
+            
+          </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="properties">
+      <xs:element minOccurs="0" name="updatePolicy" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Properties that can be used throughout the POM as a substitution, and
-            are used as filters in resources if enabled.
-            The format is &lt;code&gt;&amp;lt;name&amp;gt;value&amp;lt;/name&amp;gt;&lt;/code&gt;.
+            The frequency for downloading updates - can be
+            &lt;code&gt;always,&lt;/code&gt;
+            &lt;code&gt;daily&lt;/code&gt;
+            (default),
+            &lt;code&gt;interval:XXX&lt;/code&gt;
+            (in minutes) or
+            &lt;code&gt;never&lt;/code&gt;
+            (only if it doesn&apos;t exist locally).
             
           </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="dependencyManagement" type="DependencyManagement">
+      <xs:element minOccurs="0" name="checksumPolicy" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Default dependency information for projects that inherit from this one. The
-            dependencies in this section are not immediately resolved. Instead, when a POM derived
-            from this one declares a dependency described by a matching groupId and artifactId, the
-            version and other values from this section are used for that dependency if they were not
-            already specified.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="dependencies">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            This element describes all of the dependencies associated with a
-            project.
-            These dependencies are used to construct a classpath for your
-            project during the build process. They are automatically downloaded from the
-            repositories defined in this project.
-            See &lt;a href=&quot;http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html&quot;&gt;the
-            dependency mechanism&lt;/a&gt; for more information.
+            What to do when verification of an artifact checksum fails. Valid values are
+            &lt;code&gt;ignore&lt;/code&gt;
+            ,
+            &lt;code&gt;fail&lt;/code&gt;
+            or
+            &lt;code&gt;warn&lt;/code&gt;
+            (the default).
             
           </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded" type="Dependency"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="repositories">
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="Relocation">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Describes where an artifact has moved to. If any of the values are omitted, it is
+        assumed to be the same as it was before.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="groupId" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The lists of the remote repositories for discovering dependencies and
-            extensions.</xs:documentation>
+          <xs:documentation source="description">The group ID the artifact has moved to.</xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="repository" minOccurs="0" maxOccurs="unbounded" type="Repository"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="pluginRepositories">
+      <xs:element minOccurs="0" name="artifactId" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The lists of the remote repositories for discovering plugins for builds and
-            reports.</xs:documentation>
+          <xs:documentation source="description">The new artifact ID of the artifact.</xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="pluginRepository" minOccurs="0" maxOccurs="unbounded" type="Repository"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="reports">
+      <xs:element minOccurs="0" name="version" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            &lt;b&gt;Deprecated&lt;/b&gt;. Now ignored by Maven.
-            
-          </xs:documentation>
+          <xs:documentation source="description">The new version of the artifact.</xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="reporting" type="Reporting">
+      <xs:element minOccurs="0" name="message" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            This element includes the specification of report plugins to use
-            to generate the reports on the Maven-generated site.
-            These reports will be run when a user executes &lt;code&gt;mvn site&lt;/code&gt;.
-            All of the reports will be included in the navigation bar for browsing.
-            
-          </xs:documentation>
+          <xs:documentation source="description">An additional message to show the user about the move, such as the reason.</xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="BuildBase">
+  <xs:complexType name="Site">
     <xs:annotation>
-      <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">Generic informations for a build.</xs:documentation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Contains the information needed for deploying websites.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="defaultGoal" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The default goal (or phase in Maven 2) to execute when none is specified for
-            the project. Note that in case of a multi-module build, only the default goal of the top-level
-            project is relevant, i.e. the default goals of child modules are ignored. Since Maven 3,
-            multiple goals/phases can be separated by whitespace.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="resources">
+      <xs:element minOccurs="0" name="id" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
-            This element describes all of the classpath resources such as properties
-            files associated with a project. These resources are often included in the final
-            package.
-            The default value is &lt;code&gt;src/main/resources&lt;/code&gt;.
+            
+            A unique identifier for a deployment location. This is used to match the
+            site to configuration in the &lt;code&gt;settings.xml&lt;/code&gt; file, for example.
+            
           </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="resource" minOccurs="0" maxOccurs="unbounded" type="Resource"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="testResources">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            This element describes all of the classpath resources such as properties
-            files associated with a project&apos;s unit tests.
-            The default value is &lt;code&gt;src/test/resources&lt;/code&gt;.
-          </xs:documentation>
+          <xs:documentation source="description">Human readable name of the deployment location.</xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="testResource" minOccurs="0" maxOccurs="unbounded" type="Resource"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="directory" type="xs:string">
+      <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
-            The directory where all files generated by the build are placed.
-            The default value is &lt;code&gt;target&lt;/code&gt;.
+            
+            The url of the location where website is deployed, in the form &lt;code&gt;protocol://hostname/path&lt;/code&gt;.
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: parent value [+ path adjustment] + (artifactId or project.directory property), or just parent value if
+            site&apos;s &lt;code&gt;child.site.url.inherit.append.path=&quot;false&quot;&lt;/code&gt;
+            
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="finalName" type="xs:string">
+    </xs:all>
+    <xs:attribute name="child.site.url.inherit.append.path" type="xs:string" use="optional">
+      <xs:annotation>
+        <xs:documentation source="version">4.0.0+</xs:documentation>
+        <xs:documentation source="description">
+            
+            When children inherit from distribution management site url, append path or not? Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Default value is&lt;/b&gt;: &lt;code&gt;true&lt;/code&gt;
+            &lt;br&gt;&lt;b&gt;Since&lt;/b&gt;: Maven 3.6.1
+            
+          </xs:documentation>
+      </xs:annotation>
+    </xs:attribute>
+  </xs:complexType>
+  <xs:complexType name="Reporting">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Section for management of reports and their configuration.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="excludeDefaults" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The filename (excluding the extension, and with no path information) that
-            the produced artifact will be called.
-            The default value is &lt;code&gt;${artifactId}-${version}&lt;/code&gt;.
+            If true, then the default reports are not included in the site generation.
+            This includes the reports in the &quot;Project Info&quot; menu. Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="filters">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The list of filter properties files that are used when filtering is enabled.</xs:documentation>
-        </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="filter" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-      <xs:element minOccurs="0" name="pluginManagement" type="PluginManagement">
+      <xs:element minOccurs="0" name="outputDirectory" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Default plugin information to be made available for reference by projects
-            derived from this one. This plugin configuration will not be resolved or bound to the
-            lifecycle unless referenced. Any local configuration for a given plugin will override
-            the plugin&apos;s entire definition here.</xs:documentation>
+          <xs:documentation source="description">
+            
+            Where to store all of the generated reports. The default is
+            &lt;code&gt;${project.build.directory}/site&lt;/code&gt;.
+            
+          </xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="plugins">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The list of plugins to use.</xs:documentation>
+          <xs:documentation source="description">The reporting plugins to use and their configuration.</xs:documentation>
         </xs:annotation>
         <xs:complexType>
           <xs:sequence>
-            <xs:element name="plugin" minOccurs="0" maxOccurs="unbounded" type="Plugin"/>
+            <xs:element name="plugin" minOccurs="0" maxOccurs="unbounded" type="ReportPlugin"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Plugin">
+  <xs:complexType name="ReportPlugin">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
       <xs:documentation source="description">
         
-        The &lt;code&gt;&amp;lt;plugin&amp;gt;&lt;/code&gt; element contains informations required for a plugin.
+        The &lt;code&gt;&amp;lt;plugin&amp;gt;&lt;/code&gt; element contains informations required for a report plugin.
         
       </xs:documentation>
     </xs:annotation>
@@ -1279,64 +1467,66 @@
       <xs:element minOccurs="0" name="groupId" type="xs:string" default="org.apache.maven.plugins">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The group ID of the plugin in the repository.</xs:documentation>
+          <xs:documentation source="description">The group ID of the reporting plugin in the repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="artifactId" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The artifact ID of the plugin in the repository.</xs:documentation>
+          <xs:documentation source="description">The artifact ID of the reporting plugin in the repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="version" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The version (or valid range of versions) of the plugin to be used.</xs:documentation>
+          <xs:documentation source="description">The version of the reporting plugin to be used.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="extensions" type="xs:string">
+      <xs:element minOccurs="0" name="reportSets">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Whether to load Maven extensions (such as packaging and type handlers) from
-            this plugin. For performance reasons, this should only be enabled when necessary. Note: While the type
-            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
-            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
+            Multiple specifications of a set of reports, each having (possibly) different
+            configuration. This is the reporting parallel to an &lt;code&gt;execution&lt;/code&gt; in the build.
             
           </xs:documentation>
         </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="executions">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Multiple specifications of a set of goals to execute during the build
-            lifecycle, each having (possibly) a different configuration.</xs:documentation>
-        </xs:annotation>
         <xs:complexType>
           <xs:sequence>
-            <xs:element name="execution" minOccurs="0" maxOccurs="unbounded" type="PluginExecution"/>
+            <xs:element name="reportSet" minOccurs="0" maxOccurs="unbounded" type="ReportSet"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="dependencies">
+      <xs:element minOccurs="0" name="inherited" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Additional dependencies that this project needs to introduce to the plugin&apos;s
-            classloader.</xs:documentation>
+          <xs:documentation source="description">
+            
+            Whether any configuration should be propagated to child POMs. Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;true&lt;/code&gt;.
+            
+          </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded" type="Dependency"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="goals">
+      <xs:element minOccurs="0" name="configuration">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">0.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            &lt;b&gt;Deprecated&lt;/b&gt;. Unused by Maven.
+            &lt;p&gt;The configuration as DOM object.&lt;/p&gt;
+            &lt;p&gt;By default, every element content is trimmed, but starting with Maven 3.1.0, you can add
+            &lt;code&gt;xml:space=&quot;preserve&quot;&lt;/code&gt; to elements you want to preserve whitespace.&lt;/p&gt;
+            &lt;p&gt;You can control how child POMs inherit configuration from parent POMs by adding &lt;code&gt;combine.children&lt;/code&gt;
+            or &lt;code&gt;combine.self&lt;/code&gt; attributes to the children of the configuration element:&lt;/p&gt;
+            &lt;ul&gt;
+            &lt;li&gt;&lt;code&gt;combine.children&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;append&lt;/code&gt;,&lt;/li&gt;
+            &lt;li&gt;&lt;code&gt;combine.self&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;override&lt;/code&gt;.&lt;/li&gt;
+            &lt;/ul&gt;
+            &lt;p&gt;See &lt;a href=&quot;https://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
+            &lt;a href=&quot;https://codehaus-plexus.github.io/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
+            for more information.&lt;/p&gt;
             
           </xs:documentation>
         </xs:annotation>
@@ -1346,6 +1536,33 @@
           </xs:sequence>
         </xs:complexType>
       </xs:element>
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="ReportSet">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Represents a set of reports and configuration to be used to generate them.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="id" type="xs:string" default="default">
+        <xs:annotation>
+          <xs:documentation source="version">0.0.0+</xs:documentation>
+          <xs:documentation source="description">The unique id for this report set, to be used during POM inheritance and profile injection
+            for merging of report sets.
+          </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="reports">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The list of reports from this plugin which should be generated from this set.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="report" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
       <xs:element minOccurs="0" name="inherited" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
@@ -1372,8 +1589,8 @@
             &lt;li&gt;&lt;code&gt;combine.children&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;append&lt;/code&gt;,&lt;/li&gt;
             &lt;li&gt;&lt;code&gt;combine.self&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;override&lt;/code&gt;.&lt;/li&gt;
             &lt;/ul&gt;
-            &lt;p&gt;See &lt;a href=&quot;http://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
-            &lt;a href=&quot;http://plexus.codehaus.org/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
+            &lt;p&gt;See &lt;a href=&quot;https://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
+            &lt;a href=&quot;https://codehaus-plexus.github.io/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
             for more information.&lt;/p&gt;
             
           </xs:documentation>
@@ -1386,393 +1603,468 @@
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Dependency">
+  <xs:complexType name="Profile">
     <xs:annotation>
-      <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">
-        
-        The &lt;code&gt;&amp;lt;dependency&amp;gt;&lt;/code&gt; element contains information about a dependency
-        of the project.
-        
-      </xs:documentation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">Modifications to the build process which is activated based on environmental
+        parameters or command line arguments.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="groupId" type="xs:string">
+      <xs:element minOccurs="0" name="id" type="xs:string" default="default">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The project group that produced the dependency, e.g.
-            &lt;code&gt;org.apache.maven&lt;/code&gt;.
-            
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The identifier of this build profile. This is used for command line
+            activation, and identifies profiles to be merged.
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="artifactId" type="xs:string">
+      <xs:element minOccurs="0" name="activation" type="Activation">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The conditional logic which will automatically trigger the inclusion of this
+            profile.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="build" type="BuildBase">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Information required to build the project.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="modules">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The modules (sometimes called subprojects) to build as a part of this
+            project. Each module listed is a relative path to the directory containing the module.
+            To be consistent with the way default urls are calculated from parent, it is recommended
+            to have module names match artifact ids.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="module" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="distributionManagement" type="DistributionManagement">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Distribution information for a project that enables deployment of the site
+            and artifacts to remote web servers and repositories respectively.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="properties">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The unique id for an artifact produced by the project group, e.g.
-            &lt;code&gt;maven-artifact&lt;/code&gt;.
+            Properties that can be used throughout the POM as a substitution, and
+            are used as filters in resources if enabled.
+            The format is &lt;code&gt;&amp;lt;name&amp;gt;value&amp;lt;/name&amp;gt;&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="dependencyManagement" type="DependencyManagement">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Default dependency information for projects that inherit from this one. The
+            dependencies in this section are not immediately resolved. Instead, when a POM derived
+            from this one declares a dependency described by a matching groupId and artifactId, the
+            version and other values from this section are used for that dependency if they were not
+            already specified.</xs:documentation>
+        </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="version" type="xs:string">
+      <xs:element minOccurs="0" name="dependencies">
         <xs:annotation>
           <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The version of the dependency, e.g. &lt;code&gt;3.2.1&lt;/code&gt;. In Maven 2, this can also be
-            specified as a range of versions.
+            This element describes all of the dependencies associated with a
+            project.
+            These dependencies are used to construct a classpath for your
+            project during the build process. They are automatically downloaded from the
+            repositories defined in this project.
+            See &lt;a href=&quot;https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html&quot;&gt;the
+            dependency mechanism&lt;/a&gt; for more information.
             
           </xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded" type="Dependency"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="type" type="xs:string" default="jar">
+      <xs:element minOccurs="0" name="repositories">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The type of dependency. While it
-            usually represents the extension on the filename of the dependency,
-            that is not always the case. A type can be mapped to a different
-            extension and a classifier.
-            The type often corresponds to the packaging used, though this is also
-            not always the case.
-            Some examples are &lt;code&gt;jar&lt;/code&gt;, &lt;code&gt;war&lt;/code&gt;, &lt;code&gt;ejb-client&lt;/code&gt;
-            and &lt;code&gt;test-jar&lt;/code&gt;: see &lt;a href=&quot;../maven-core/artifact-handlers.html&quot;&gt;default
-            artifact handlers&lt;/a&gt; for a list.
-            New types can be defined by plugins that set
-            &lt;code&gt;extensions&lt;/code&gt; to &lt;code&gt;true&lt;/code&gt;, so this is not a complete list.
-            
-          </xs:documentation>
+          <xs:documentation source="description">The lists of the remote repositories for discovering dependencies and
+            extensions.</xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="repository" minOccurs="0" maxOccurs="unbounded" type="Repository"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="classifier" type="xs:string">
+      <xs:element minOccurs="0" name="pluginRepositories">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The lists of the remote repositories for discovering plugins for builds and
+            reports.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="pluginRepository" minOccurs="0" maxOccurs="unbounded" type="Repository"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="reports">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The classifier of the dependency. It is appended to
-            the filename after the version. This allows:
-            &lt;ul&gt;
-            &lt;li&gt;refering to attached artifact, for example &lt;code&gt;sources&lt;/code&gt; and &lt;code&gt;javadoc&lt;/code&gt;:
-            see &lt;a href=&quot;../maven-core/artifact-handlers.html&quot;&gt;default artifact handlers&lt;/a&gt; for a list,&lt;/li&gt;
-            &lt;li&gt;distinguishing two artifacts
-            that belong to the same POM but were built differently.
-            For example, &lt;code&gt;jdk14&lt;/code&gt; and &lt;code&gt;jdk15&lt;/code&gt;.&lt;/li&gt;
-            &lt;/ul&gt;
+            &lt;b&gt;Deprecated&lt;/b&gt;. Now ignored by Maven.
             
           </xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="scope" type="xs:string">
+      <xs:element minOccurs="0" name="reporting" type="Reporting">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The scope of the dependency - &lt;code&gt;compile&lt;/code&gt;, &lt;code&gt;runtime&lt;/code&gt;,
-            &lt;code&gt;test&lt;/code&gt;, &lt;code&gt;system&lt;/code&gt;, and &lt;code&gt;provided&lt;/code&gt;. Used to
-            calculate the various classpaths used for compilation, testing, and so on.
-            It also assists in determining which artifacts to include in a distribution of
-            this project. For more information, see
-            &lt;a href=&quot;http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html&quot;&gt;the
-            dependency mechanism&lt;/a&gt;.
+            This element includes the specification of report plugins to use
+            to generate the reports on the Maven-generated site.
+            These reports will be run when a user executes &lt;code&gt;mvn site&lt;/code&gt;.
+            All of the reports will be included in the navigation bar for browsing.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="systemPath" type="xs:string">
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="Activation">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">The conditions within the build runtime environment which will trigger the
+        automatic inclusion of the build profile. Multiple conditions can be defined, which must
+        be all satisfied to activate the profile.
+      </xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="activeByDefault" type="xs:boolean" default="false">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">If set to true, this profile will be active unless another profile in this
+            pom is activated using the command line -P option or by one of that profile&apos;s
+            activators.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="jdk" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            FOR SYSTEM SCOPE ONLY. Note that use of this property is &lt;b&gt;discouraged&lt;/b&gt;
-            and may be replaced in later versions. This specifies the path on the filesystem
-            for this dependency.
-            Requires an absolute path for the value, not relative.
-            Use a property that gives the machine specific absolute path,
-            e.g. &lt;code&gt;${java.home}&lt;/code&gt;.
+            Specifies that this profile will be activated when a matching JDK is detected.
+            For example, &lt;code&gt;1.4&lt;/code&gt; only activates on JDKs versioned 1.4,
+            while &lt;code&gt;!1.4&lt;/code&gt; matches any JDK that is not version 1.4. Ranges are supported too:
+            &lt;code&gt;[1.5,)&lt;/code&gt; activates when the JDK is 1.5 minimum.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="exclusions">
+      <xs:element minOccurs="0" name="os" type="ActivationOS">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Lists a set of artifacts that should be excluded from this dependency&apos;s
-            artifact list when it comes to calculating transitive dependencies.</xs:documentation>
+          <xs:documentation source="description">Specifies that this profile will be activated when matching operating system
+            attributes are detected.</xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="exclusion" minOccurs="0" maxOccurs="unbounded" type="Exclusion"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="optional" type="xs:string">
+      <xs:element minOccurs="0" name="property" type="ActivationProperty">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            Indicates the dependency is optional for use of this library. While the
-            version of the dependency will be taken into account for dependency calculation if the
-            library is used elsewhere, it will not be passed on transitively. Note: While the type
-            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
-            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
-            
-          </xs:documentation>
+          <xs:documentation source="description">Specifies that this profile will be activated when this system property is
+            specified.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="file" type="ActivationFile">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Specifies that this profile will be activated based on existence of a file.</xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Exclusion">
+  <xs:complexType name="ActivationProperty">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">
-        
-        The &lt;code&gt;&amp;lt;exclusion&amp;gt;&lt;/code&gt; element contains informations required to exclude
-        an artifact to the project.
-        
-      </xs:documentation>
+      <xs:documentation source="description">This is the property specification used to activate a profile. If the value field
+        is empty, then the existence of the named property will activate the profile, otherwise it
+        does a case-sensitive match against the property value as well.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="artifactId" type="xs:string">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The artifact ID of the project to exclude.</xs:documentation>
+          <xs:documentation source="description">The name of the property to be used to activate a profile.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="groupId" type="xs:string">
+      <xs:element minOccurs="0" name="value" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The group ID of the project to exclude.</xs:documentation>
+          <xs:documentation source="description">The value of the property required to activate a profile.</xs:documentation>
         </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="PluginExecution">
+  <xs:complexType name="ActivationFile">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">
-        
-        The &lt;code&gt;&amp;lt;execution&amp;gt;&lt;/code&gt; element contains informations required for the
-        execution of a plugin.
-        
-      </xs:documentation>
+      <xs:documentation source="description">This is the file specification used to activate the profile. The &lt;code&gt;missing&lt;/code&gt; value
+        is the location of a file that needs to exist, and if it doesn&apos;t, the profile will be
+        activated. On the other hand, &lt;code&gt;exists&lt;/code&gt; will test for the existence of the file and if it is
+        there, the profile will be activated.&lt;br&gt;
+        Variable interpolation for these file specifications is limited to &lt;code&gt;${basedir}&lt;/code&gt;,
+        System properties and request properties.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="id" type="xs:string" default="default">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The identifier of this execution for labelling the goals during the build,
-            and for matching executions to merge during inheritance and profile injection.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="phase" type="xs:string">
+      <xs:element minOccurs="0" name="missing" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The build lifecycle phase to bind the goals in this execution to. If omitted,
-            the goals will be bound to the default phase specified by the plugin. </xs:documentation>
+          <xs:documentation source="description">The name of the file that must be missing to activate the
+          profile.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="goals">
+      <xs:element minOccurs="0" name="exists" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The goals to execute with the given configuration.</xs:documentation>
+          <xs:documentation source="description">The name of the file that must exist to activate the profile.</xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="goal" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="inherited" type="xs:string">
+    </xs:all>
+  </xs:complexType>
+  <xs:complexType name="ActivationOS">
+    <xs:annotation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">This is an activator which will detect an operating system&apos;s attributes in order
+        to activate its profile.</xs:documentation>
+    </xs:annotation>
+    <xs:all>
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Whether any configuration should be propagated to child POMs. Note: While the type
-            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
-            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;true&lt;/code&gt;.
+            The name of the operating system to be used to activate the profile. This must be an exact match
+            of the &lt;code&gt;${os.name}&lt;/code&gt; Java property, such as &lt;code&gt;Windows XP&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="configuration">
+      <xs:element minOccurs="0" name="family" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">0.0.0+</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            &lt;p&gt;The configuration as DOM object.&lt;/p&gt;
-            &lt;p&gt;By default, every element content is trimmed, but starting with Maven 3.1.0, you can add
-            &lt;code&gt;xml:space=&quot;preserve&quot;&lt;/code&gt; to elements you want to preserve whitespace.&lt;/p&gt;
-            &lt;p&gt;You can control how child POMs inherit configuration from parent POMs by adding &lt;code&gt;combine.children&lt;/code&gt;
-            or &lt;code&gt;combine.self&lt;/code&gt; attributes to the children of the configuration element:&lt;/p&gt;
-            &lt;ul&gt;
-            &lt;li&gt;&lt;code&gt;combine.children&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;append&lt;/code&gt;,&lt;/li&gt;
-            &lt;li&gt;&lt;code&gt;combine.self&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;override&lt;/code&gt;.&lt;/li&gt;
-            &lt;/ul&gt;
-            &lt;p&gt;See &lt;a href=&quot;http://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
-            &lt;a href=&quot;http://plexus.codehaus.org/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
-            for more information.&lt;/p&gt;
+            The general family of the OS to be used to activate the profile, such as
+            &lt;code&gt;windows&lt;/code&gt; or &lt;code&gt;unix&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
-          </xs:sequence>
-        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="arch" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The architecture of the operating system to be used to activate the
+          profile.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="version" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The version of the operating system to be used to activate the
+          profile.</xs:documentation>
+        </xs:annotation>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Resource">
+  <xs:complexType name="Repository">
     <xs:annotation>
-      <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">This element describes all of the classpath resources associated with a project
-        or unit tests.</xs:documentation>
+      <xs:documentation source="version">4.0.0+</xs:documentation>
+      <xs:documentation source="description">A repository contains the information needed for establishing connections with
+        remote repository.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="targetPath" type="xs:string">
+      <xs:element minOccurs="0" name="releases" type="RepositoryPolicy">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            Describe the resource target path. The path is relative to the target/classes
-            directory (i.e. &lt;code&gt;${project.build.outputDirectory}&lt;/code&gt;).
-            For example, if you want that resource to appear in a specific package
-            (&lt;code&gt;org.apache.maven.messages&lt;/code&gt;), you must specify this
-            element with this value: &lt;code&gt;org/apache/maven/messages&lt;/code&gt;.
-            This is not required if you simply put the resources in that directory
-            structure at the source, however.
-            
-          </xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">How to handle downloading of releases from this repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="filtering" type="xs:string">
+      <xs:element minOccurs="0" name="snapshots" type="RepositoryPolicy">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">How to handle downloading of snapshots from this repository.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="id" type="xs:string">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Whether resources are filtered to replace tokens with parameterised values or not.
-            The values are taken from the &lt;code&gt;properties&lt;/code&gt; element and from the
-            properties in the files listed in the &lt;code&gt;filters&lt;/code&gt; element. Note: While the type
-            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
-            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
+            A unique identifier for a repository. This is used to match the repository
+            to configuration in the &lt;code&gt;settings.xml&lt;/code&gt; file, for example. Furthermore, the identifier is
+            used during POM inheritance and profile injection to detect repositories that should be merged.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="directory" type="xs:string">
+      <xs:element minOccurs="0" name="name" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">Describe the directory where the resources are stored. The path is relative
-            to the POM.</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Human readable name of the repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="includes">
+      <xs:element minOccurs="0" name="url" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            A list of patterns to include, e.g. &lt;code&gt;**&amp;#47;*.xml&lt;/code&gt;.
+            The url of the repository, in the form &lt;code&gt;protocol://hostname/path&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="include" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="excludes">
+      <xs:element minOccurs="0" name="layout" type="xs:string" default="default">
         <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            A list of patterns to exclude, e.g. &lt;code&gt;**&amp;#47;*.xml&lt;/code&gt;
+            The type of layout this repository uses for locating and storing artifacts -
+            can be &lt;code&gt;legacy&lt;/code&gt; or &lt;code&gt;default&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="PluginManagement">
+  <xs:complexType name="BuildBase">
     <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Section for management of default plugin information for use in a group of POMs.
-      </xs:documentation>
+      <xs:documentation source="version">3.0.0+</xs:documentation>
+      <xs:documentation source="description">Generic informations for a build.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="plugins">
+      <xs:element minOccurs="0" name="defaultGoal" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The list of plugins to use.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">The default goal (or phase in Maven 2) to execute when none is specified for
+            the project. Note that in case of a multi-module build, only the default goal of the top-level
+            project is relevant, i.e. the default goals of child modules are ignored. Since Maven 3,
+            multiple goals/phases can be separated by whitespace.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="resources">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            This element describes all of the classpath resources such as properties
+            files associated with a project. These resources are often included in the final
+            package.
+            The default value is &lt;code&gt;src/main/resources&lt;/code&gt;.
+          </xs:documentation>
         </xs:annotation>
         <xs:complexType>
           <xs:sequence>
-            <xs:element name="plugin" minOccurs="0" maxOccurs="unbounded" type="Plugin"/>
+            <xs:element name="resource" minOccurs="0" maxOccurs="unbounded" type="Resource"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="Reporting">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Section for management of reports and their configuration.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="excludeDefaults" type="xs:string">
+      <xs:element minOccurs="0" name="testResources">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            This element describes all of the classpath resources such as properties
+            files associated with a project&apos;s unit tests.
+            The default value is &lt;code&gt;src/test/resources&lt;/code&gt;.
+          </xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="testResource" minOccurs="0" maxOccurs="unbounded" type="Resource"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="directory" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
-            
-            If true, then the default reports are not included in the site generation.
-            This includes the reports in the &quot;Project Info&quot; menu. Note: While the type
-            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
-            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
-            
+            The directory where all files generated by the build are placed.
+            The default value is &lt;code&gt;target&lt;/code&gt;.
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="outputDirectory" type="xs:string">
+      <xs:element minOccurs="0" name="finalName" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Where to store all of the generated reports. The default is
-            &lt;code&gt;${project.build.directory}/site&lt;/code&gt;.
+            The filename (excluding the extension, and with no path information) that
+            the produced artifact will be called.
+            The default value is &lt;code&gt;${artifactId}-${version}&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
+      <xs:element minOccurs="0" name="filters">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The list of filter properties files that are used when filtering is enabled.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="filter" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="pluginManagement" type="PluginManagement">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Default plugin information to be made available for reference by projects
+            derived from this one. This plugin configuration will not be resolved or bound to the
+            lifecycle unless referenced. Any local configuration for a given plugin will override
+            the plugin&apos;s entire definition here.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
       <xs:element minOccurs="0" name="plugins">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The reporting plugins to use and their configuration.</xs:documentation>
+          <xs:documentation source="description">The list of plugins to use.</xs:documentation>
         </xs:annotation>
         <xs:complexType>
           <xs:sequence>
-            <xs:element name="plugin" minOccurs="0" maxOccurs="unbounded" type="ReportPlugin"/>
+            <xs:element name="plugin" minOccurs="0" maxOccurs="unbounded" type="Plugin"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="ReportPlugin">
+  <xs:complexType name="Plugin">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
       <xs:documentation source="description">
         
-        The &lt;code&gt;&amp;lt;plugin&amp;gt;&lt;/code&gt; element contains informations required for a report plugin.
+        The &lt;code&gt;&amp;lt;plugin&amp;gt;&lt;/code&gt; element contains informations required for a plugin.
         
       </xs:documentation>
     </xs:annotation>
@@ -1780,34 +2072,70 @@
       <xs:element minOccurs="0" name="groupId" type="xs:string" default="org.apache.maven.plugins">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The group ID of the reporting plugin in the repository.</xs:documentation>
+          <xs:documentation source="description">The group ID of the plugin in the repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="artifactId" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The artifact ID of the reporting plugin in the repository.</xs:documentation>
+          <xs:documentation source="description">The artifact ID of the plugin in the repository.</xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element minOccurs="0" name="version" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The version of the reporting plugin to be used.</xs:documentation>
+          <xs:documentation source="description">The version (or valid range of versions) of the plugin to be used.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="reportSets">
+      <xs:element minOccurs="0" name="extensions" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Multiple specifications of a set of reports, each having (possibly) different
-            configuration. This is the reporting parallel to an &lt;code&gt;execution&lt;/code&gt; in the build.
+            Whether to load Maven extensions (such as packaging and type handlers) from
+            this plugin. For performance reasons, this should only be enabled when necessary. Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="executions">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Multiple specifications of a set of goals to execute during the build
+            lifecycle, each having (possibly) a different configuration.</xs:documentation>
+        </xs:annotation>
         <xs:complexType>
           <xs:sequence>
-            <xs:element name="reportSet" minOccurs="0" maxOccurs="unbounded" type="ReportSet"/>
+            <xs:element name="execution" minOccurs="0" maxOccurs="unbounded" type="PluginExecution"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="dependencies">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">Additional dependencies that this project needs to introduce to the plugin&apos;s
+            classloader.</xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded" type="Dependency"/>
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+      <xs:element minOccurs="0" name="goals">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            &lt;b&gt;Deprecated&lt;/b&gt;. Unused by Maven.
+            
+          </xs:documentation>
+        </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>
@@ -1837,8 +2165,8 @@
             &lt;li&gt;&lt;code&gt;combine.children&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;append&lt;/code&gt;,&lt;/li&gt;
             &lt;li&gt;&lt;code&gt;combine.self&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;override&lt;/code&gt;.&lt;/li&gt;
             &lt;/ul&gt;
-            &lt;p&gt;See &lt;a href=&quot;http://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
-            &lt;a href=&quot;http://plexus.codehaus.org/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
+            &lt;p&gt;See &lt;a href=&quot;https://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
+            &lt;a href=&quot;https://codehaus-plexus.github.io/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
             for more information.&lt;/p&gt;
             
           </xs:documentation>
@@ -1851,28 +2179,39 @@
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="ReportSet">
+  <xs:complexType name="PluginExecution">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Represents a set of reports and configuration to be used to generate them.</xs:documentation>
+      <xs:documentation source="description">
+        
+        The &lt;code&gt;&amp;lt;execution&amp;gt;&lt;/code&gt; element contains informations required for the
+        execution of a plugin.
+        
+      </xs:documentation>
     </xs:annotation>
     <xs:all>
       <xs:element minOccurs="0" name="id" type="xs:string" default="default">
         <xs:annotation>
-          <xs:documentation source="version">0.0.0+</xs:documentation>
-          <xs:documentation source="description">The unique id for this report set, to be used during POM inheritance and profile injection
-            for merging of report sets.
-          </xs:documentation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The identifier of this execution for labelling the goals during the build,
+            and for matching executions to merge during inheritance and profile injection.</xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="reports">
+      <xs:element minOccurs="0" name="phase" type="xs:string">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The list of reports from this plugin which should be generated from this set.</xs:documentation>
+          <xs:documentation source="description">The build lifecycle phase to bind the goals in this execution to. If omitted,
+            the goals will be bound to the default phase specified by the plugin. </xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="goals">
+        <xs:annotation>
+          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="description">The goals to execute with the given configuration.</xs:documentation>
         </xs:annotation>
         <xs:complexType>
           <xs:sequence>
-            <xs:element name="report" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+            <xs:element name="goal" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>
@@ -1902,8 +2241,8 @@
             &lt;li&gt;&lt;code&gt;combine.children&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;append&lt;/code&gt;,&lt;/li&gt;
             &lt;li&gt;&lt;code&gt;combine.self&lt;/code&gt;: available values are &lt;code&gt;merge&lt;/code&gt; (default) and &lt;code&gt;override&lt;/code&gt;.&lt;/li&gt;
             &lt;/ul&gt;
-            &lt;p&gt;See &lt;a href=&quot;http://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
-            &lt;a href=&quot;http://plexus.codehaus.org/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
+            &lt;p&gt;See &lt;a href=&quot;https://maven.apache.org/pom.html#Plugins&quot;&gt;POM Reference documentation&lt;/a&gt; and
+            &lt;a href=&quot;https://codehaus-plexus.github.io/plexus-utils/apidocs/org/codehaus/plexus/util/xml/Xpp3DomUtils.html&quot;&gt;Xpp3DomUtils&lt;/a&gt;
             for more information.&lt;/p&gt;
             
           </xs:documentation>
@@ -1916,170 +2255,116 @@
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="Activation">
+  <xs:complexType name="Resource">
     <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">The conditions within the build runtime environment which will trigger the
-        automatic inclusion of the build profile. Multiple conditions can be defined, which must
-        be all satisfied to activate the profile.
-      </xs:documentation>
+      <xs:documentation source="version">3.0.0+</xs:documentation>
+      <xs:documentation source="description">This element describes all of the classpath resources associated with a project
+        or unit tests.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="activeByDefault" type="xs:boolean" default="false">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">If set to true, this profile will be active unless another profile in this
-            pom is activated using the command line -P option or by one of that profile&apos;s
-            activators.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="jdk" type="xs:string">
+      <xs:element minOccurs="0" name="targetPath" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            Specifies that this profile will be activated when a matching JDK is detected.
-            For example, &lt;code&gt;1.4&lt;/code&gt; only activates on JDKs versioned 1.4,
-            while &lt;code&gt;!1.4&lt;/code&gt; matches any JDK that is not version 1.4. Ranges are supported too:
-            &lt;code&gt;[1.5,)&lt;/code&gt; activates when the JDK is 1.5 minimum.
+            Describe the resource target path. The path is relative to the target/classes
+            directory (i.e. &lt;code&gt;${project.build.outputDirectory}&lt;/code&gt;).
+            For example, if you want that resource to appear in a specific package
+            (&lt;code&gt;org.apache.maven.messages&lt;/code&gt;), you must specify this
+            element with this value: &lt;code&gt;org/apache/maven/messages&lt;/code&gt;.
+            This is not required if you simply put the resources in that directory
+            structure at the source, however.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="os" type="ActivationOS">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Specifies that this profile will be activated when matching operating system
-            attributes are detected.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="property" type="ActivationProperty">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Specifies that this profile will be activated when this system property is
-            specified.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="file" type="ActivationFile">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">Specifies that this profile will be activated based on existence of a file.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="ActivationProperty">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">This is the property specification used to activate a profile. If the value field
-        is empty, then the existence of the named property will activate the profile, otherwise it
-        does a case-sensitive match against the property value as well.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="name" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The name of the property to be used to activate a profile.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="value" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The value of the property required to activate a profile.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="ActivationOS">
-    <xs:annotation>
-      <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">This is an activator which will detect an operating system&apos;s attributes in order
-        to activate its profile.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="name" type="xs:string">
+      <xs:element minOccurs="0" name="filtering" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The name of the operating system to be used to activate the profile. This must be an exact match
-            of the &lt;code&gt;${os.name}&lt;/code&gt; Java property, such as &lt;code&gt;Windows XP&lt;/code&gt;.
+            Whether resources are filtered to replace tokens with parameterised values or not.
+            The values are taken from the &lt;code&gt;properties&lt;/code&gt; element and from the
+            properties in the files listed in the &lt;code&gt;filters&lt;/code&gt; element. Note: While the type
+            of this field is &lt;code&gt;String&lt;/code&gt; for technical reasons, the semantic type is actually
+            &lt;code&gt;Boolean&lt;/code&gt;. Default value is &lt;code&gt;false&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
       </xs:element>
-      <xs:element minOccurs="0" name="family" type="xs:string">
+      <xs:element minOccurs="0" name="directory" type="xs:string">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">Describe the directory where the resources are stored. The path is relative
+            to the POM.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
+      <xs:element minOccurs="0" name="includes">
+        <xs:annotation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
           <xs:documentation source="description">
             
-            The general family of the OS to be used to activate the profile, such as
-            &lt;code&gt;windows&lt;/code&gt; or &lt;code&gt;unix&lt;/code&gt;.
+            A list of patterns to include, e.g. &lt;code&gt;**&amp;#47;*.xml&lt;/code&gt;.
             
           </xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="include" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
-      <xs:element minOccurs="0" name="arch" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The architecture of the operating system to be used to activate the
-          profile.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="version" type="xs:string">
+      <xs:element minOccurs="0" name="excludes">
         <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The version of the operating system to be used to activate the
-          profile.</xs:documentation>
+          <xs:documentation source="version">3.0.0+</xs:documentation>
+          <xs:documentation source="description">
+            
+            A list of patterns to exclude, e.g. &lt;code&gt;**&amp;#47;*.xml&lt;/code&gt;
+            
+          </xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="ActivationFile">
+  <xs:complexType name="PluginManagement">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">This is the file specification used to activate the profile. The &lt;code&gt;missing&lt;/code&gt; value
-        is the location of a file that needs to exist, and if it doesn&apos;t, the profile will be
-        activated. On the other hand, &lt;code&gt;exists&lt;/code&gt; will test for the existence of the file and if it is
-        there, the profile will be activated.&lt;br/&gt;
-        Variable interpolation for these file specifications is limited to &lt;code&gt;${basedir}&lt;/code&gt;,
-        System properties and request properties.</xs:documentation>
+      <xs:documentation source="description">Section for management of default plugin information for use in a group of POMs.
+      </xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="missing" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The name of the file that must be missing to activate the
-          profile.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="exists" type="xs:string">
+      <xs:element minOccurs="0" name="plugins">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The name of the file that must exist to activate the profile.</xs:documentation>
+          <xs:documentation source="description">The list of plugins to use.</xs:documentation>
         </xs:annotation>
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="plugin" minOccurs="0" maxOccurs="unbounded" type="Plugin"/>
+          </xs:sequence>
+        </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="DependencyManagement">
+  <xs:complexType name="Prerequisites">
     <xs:annotation>
       <xs:documentation source="version">4.0.0+</xs:documentation>
-      <xs:documentation source="description">Section for management of default dependency information for use in a group of
-        POMs.</xs:documentation>
+      <xs:documentation source="description">Describes the prerequisites a project can have.</xs:documentation>
     </xs:annotation>
     <xs:all>
-      <xs:element minOccurs="0" name="dependencies">
+      <xs:element minOccurs="0" name="maven" type="xs:string" default="2.0">
         <xs:annotation>
           <xs:documentation source="version">4.0.0+</xs:documentation>
-          <xs:documentation source="description">The dependencies specified here are not used until they are referenced in a
-            POM within the group. This allows the specification of a &quot;standard&quot; version for a
-            particular dependency.</xs:documentation>
+          <xs:documentation source="description">
+            For a plugin project (packaging is &lt;code&gt;maven-plugin&lt;/code&gt;), the minimum version of
+            Maven required to use the resulting plugin.&lt;br&gt;
+          </xs:documentation>
         </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="dependency" minOccurs="0" maxOccurs="unbounded" type="Dependency"/>
-          </xs:sequence>
-        </xs:complexType>
       </xs:element>
     </xs:all>
   </xs:complexType>
@@ -2277,208 +2562,4 @@
       </xs:element>
     </xs:all>
   </xs:complexType>
-  <xs:complexType name="License">
-    <xs:annotation>
-      <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">Describes the licenses for this project. This is used to generate the license
-        page of the project&apos;s web site, as well as being taken into consideration in other reporting
-        and validation. The licenses listed for the project are that of the project itself, and not
-        of dependencies.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="name" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The full legal name of the license.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="url" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The official url for the license text.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="distribution" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The primary method by which this project may be distributed.
-            &lt;dl&gt;
-              &lt;dt&gt;repo&lt;/dt&gt;
-              &lt;dd&gt;may be downloaded from the Maven repository&lt;/dd&gt;
-              &lt;dt&gt;manual&lt;/dt&gt;
-              &lt;dd&gt;user must manually download and install the dependency.&lt;/dd&gt;
-            &lt;/dl&gt;
-            
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="comments" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">Addendum information pertaining to this license.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="MailingList">
-    <xs:annotation>
-      <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">This element describes all of the mailing lists associated with a project. The
-        auto-generated site references this information.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="name" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The name of the mailing list.
-            
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="subscribe" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The email address or link that can be used to subscribe to
-            the mailing list.  If this is an email address, a
-            &lt;code&gt;mailto:&lt;/code&gt; link will automatically be created
-            when the documentation is created.
-            
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="unsubscribe" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The email address or link that can be used to unsubscribe to
-            the mailing list.  If this is an email address, a
-            &lt;code&gt;mailto:&lt;/code&gt; link will automatically be created
-            when the documentation is created.
-            
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="post" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The email address or link that can be used to post to
-            the mailing list.  If this is an email address, a
-            &lt;code&gt;mailto:&lt;/code&gt; link will automatically be created
-            when the documentation is created.
-            
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="archive" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The link to a URL where you can browse the mailing list archive.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="otherArchives">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The link to alternate URLs where you can browse the list archive.</xs:documentation>
-        </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="otherArchive" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
-  <xs:complexType name="Developer">
-    <xs:annotation>
-      <xs:documentation source="version">3.0.0+</xs:documentation>
-      <xs:documentation source="description">Information about one of the committers on this project.</xs:documentation>
-    </xs:annotation>
-    <xs:all>
-      <xs:element minOccurs="0" name="id" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The unique ID of the developer in the SCM.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="name" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The full name of the contributor.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="email" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The email address of the contributor.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="url" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The URL for the homepage of the contributor.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="organization" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The organization to which the contributor belongs.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="organizationUrl" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">The URL of the organization.</xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="roles">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-            The roles the contributor plays in the project. Each role is described by a
-            &lt;code&gt;role&lt;/code&gt; element, the body of which is a role name. This can also be used to
-            describe the contribution.
-            
-          </xs:documentation>
-        </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="role" minOccurs="0" maxOccurs="unbounded" type="xs:string"/>
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-      <xs:element minOccurs="0" name="timezone" type="xs:string">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">
-            
-              The timezone the contributor is in. Typically, this is a number in the range
-              &lt;a href=&quot;http://en.wikipedia.org/wiki/UTC%E2%88%9212:00&quot;&gt;-12&lt;/a&gt; to &lt;a href=&quot;http://en.wikipedia.org/wiki/UTC%2B14:00&quot;&gt;+14&lt;/a&gt;
-              or a valid time zone id like &quot;America/Montreal&quot; (UTC-05:00) or &quot;Europe/Paris&quot; (UTC+01:00).
-            
-          </xs:documentation>
-        </xs:annotation>
-      </xs:element>
-      <xs:element minOccurs="0" name="properties">
-        <xs:annotation>
-          <xs:documentation source="version">3.0.0+</xs:documentation>
-          <xs:documentation source="description">Properties about the contributor, such as an instant messenger handle.</xs:documentation>
-        </xs:annotation>
-        <xs:complexType>
-          <xs:sequence>
-            <xs:any minOccurs="0" maxOccurs="unbounded" processContents="skip"/>
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-    </xs:all>
-  </xs:complexType>
 </xs:schema>
\ No newline at end of file