[export][rector] first rector rule to add new method to filters

phpunit.rector.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.6/phpunit.xsd"
+         bootstrap="tests/app/vendor/autoload.php"
+         cacheResultFile=".cache/phpunit/test-results-rector"
+         executionOrder="depends,defects"
+         forceCoversAnnotation="true"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="true"
+         beStrictAboutTodoAnnotatedTests="true"
+         convertDeprecationsToExceptions="true"
+         failOnRisky="true"
+         failOnWarning="true"
+         verbose="true"
+         colors="true"
+>
+    <testsuites>
+        <testsuite name="default">
+            <directory>utils/rector/tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <coverage cacheDirectory=".cache/phpunit/code-coverage-rector"
+              processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">utils/rector/src</directory>
+        </include>
+    </coverage>
+</phpunit>