Extract PHPUnit\Framework\MockObject\Stub from PHPUnit\Framework\Mock…

…Object\MockObject for #3120

src/Framework/MockObject/MockObject.php

@@ -12,20 +12,11 @@
 use PHPUnit\Framework\MockObject\Builder\InvocationMocker as BuilderInvocationMocker;
 use PHPUnit\Framework\MockObject\Matcher\Invocation;
 
-/**
- * @method BuilderInvocationMocker method($constraint)
- */
-interface MockObject
+interface MockObject extends Stub
 {
     public function __phpunit_setOriginalObject($originalObject): void;
 
-    public function __phpunit_getInvocationMocker(): InvocationMocker;
-
     public function __phpunit_verify(bool $unsetInvocationMocker = true): void;
 
-    public function __phpunit_hasMatchers(): bool;
-
-    public function __phpunit_setReturnValueGeneration(bool $returnValueGeneration): void;
-
     public function expects(Invocation $matcher): BuilderInvocationMocker;
 }

src/Framework/MockObject/Stub.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\Framework\MockObject;
+
+use PHPUnit\Framework\MockObject\Builder\InvocationMocker as BuilderInvocationMocker;
+
+/**
+ * @method BuilderInvocationMocker method($constraint)
+ */
+interface Stub
+{
+    public function __phpunit_getInvocationMocker(): InvocationMocker;
+
+    public function __phpunit_hasMatchers(): bool;
+
+    public function __phpunit_setReturnValueGeneration(bool $returnValueGeneration): void;
+}