diff -Nru php-codecoverage-9.2.9+dfsg/ChangeLog.md php-codecoverage-9.2.10+dfsg/ChangeLog.md
--- php-codecoverage-9.2.9+dfsg/ChangeLog.md	2021-11-19 15:21:02.000000000 +0000
+++ php-codecoverage-9.2.10+dfsg/ChangeLog.md	2021-12-05 09:12:13.000000000 +0000
@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [9.2.10] - 2021-12-05
+
+### Fixed
+
+* [#887](https://github.com/sebastianbergmann/php-code-coverage/issues/887): Document return type of `CodeUnitFindingVisitor::enterNode()` so that Symfony's DebugClassLoader does not trigger a deprecation warning
+
 ## [9.2.9] - 2021-11-19
 
 ### Fixed
@@ -343,6 +349,7 @@
 
 * This component is no longer supported on PHP 7.1
 
+[9.2.10]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.9...9.2.10
 [9.2.9]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.8...9.2.9
 [9.2.8]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.7...9.2.8
 [9.2.7]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.2.6...9.2.7
diff -Nru php-codecoverage-9.2.9+dfsg/debian/changelog php-codecoverage-9.2.10+dfsg/debian/changelog
--- php-codecoverage-9.2.9+dfsg/debian/changelog	2021-11-19 19:32:02.000000000 +0000
+++ php-codecoverage-9.2.10+dfsg/debian/changelog	2021-12-07 01:51:48.000000000 +0000
@@ -1,3 +1,10 @@
+php-codecoverage (9.2.10+dfsg-1) unstable; urgency=medium
+
+  [ Sebastian Bergmann ]
+  * Prepare release
+
+ -- David Prévot <taffit@debian.org>  Mon, 06 Dec 2021 21:51:48 -0400
+
 php-codecoverage (9.2.9+dfsg-1) unstable; urgency=medium
 
   [ Sebastian Bergmann ]
diff -Nru php-codecoverage-9.2.9+dfsg/src/StaticAnalysis/CodeUnitFindingVisitor.php php-codecoverage-9.2.10+dfsg/src/StaticAnalysis/CodeUnitFindingVisitor.php
--- php-codecoverage-9.2.9+dfsg/src/StaticAnalysis/CodeUnitFindingVisitor.php	2021-11-19 15:21:02.000000000 +0000
+++ php-codecoverage-9.2.10+dfsg/src/StaticAnalysis/CodeUnitFindingVisitor.php	2021-12-05 09:12:13.000000000 +0000
@@ -49,7 +49,7 @@
      */
     private $functions = [];
 
-    public function enterNode(Node $node)
+    public function enterNode(Node $node): void
     {
         if ($node instanceof Class_) {
             if ($node->isAnonymous()) {
@@ -64,7 +64,7 @@
         }
 
         if (!$node instanceof ClassMethod && !$node instanceof Function_) {
-            return null;
+            return;
         }
 
         if ($node instanceof ClassMethod) {
diff -Nru php-codecoverage-9.2.9+dfsg/src/Version.php php-codecoverage-9.2.10+dfsg/src/Version.php
--- php-codecoverage-9.2.9+dfsg/src/Version.php	2021-11-19 15:21:02.000000000 +0000
+++ php-codecoverage-9.2.10+dfsg/src/Version.php	2021-12-05 09:12:13.000000000 +0000
@@ -22,7 +22,7 @@
     public static function id(): string
     {
         if (self::$version === null) {
-            self::$version = (new VersionId('9.2.9', dirname(__DIR__)))->getVersion();
+            self::$version = (new VersionId('9.2.10', dirname(__DIR__)))->getVersion();
         }
 
         return self::$version;