fix

lib/ContextStackTrait.php

@@ -92,6 +92,8 @@ trait ContextStackTrait
  * This allows you to safely modify the elementMap, contextUri or
  * namespaceMap. After you're done, you can restore the old data again
  * with popContext.
+ *
+ * @return void
  */
  public function pushContext()
  {
@@ -105,6 +107,8 @@ public function pushContext()
 
  /**
  * Restore the previous "context".
+ *
+ * @return void
  */
  public function popContext()
  {

phpstan-baseline.neon

@@ -75,16 +75,6 @@ parameters:
  count: 1
  path: lib/Reader.php
 
- -
- message: "#^Method Sabre\\\\Xml\\\\Reader\\:\\:popContext\\(\\) has no return type specified\\.$#"
- count: 1
- path: lib/Reader.php
-
- -
- message: "#^Method Sabre\\\\Xml\\\\Reader\\:\\:pushContext\\(\\) has no return type specified\\.$#"
- count: 1
- path: lib/Reader.php
-
  -
  message: "#^Property Sabre\\\\Xml\\\\Reader\\:\\:\\$classMap type has no value type specified in iterable type array\\.$#"
  count: 1
@@ -155,16 +145,6 @@ parameters:
  count: 1
  path: lib/Service.php
 
- -
- message: "#^Method Sabre\\\\Xml\\\\Writer\\:\\:popContext\\(\\) has no return type specified\\.$#"
- count: 1
- path: lib/Writer.php
-
- -
- message: "#^Method Sabre\\\\Xml\\\\Writer\\:\\:pushContext\\(\\) has no return type specified\\.$#"
- count: 1
- path: lib/Writer.php
-
  -
  message: "#^Method Sabre\\\\Xml\\\\Writer\\:\\:write\\(\\) has no return type specified\\.$#"
  count: 1