Fix user define class as parameters

tests/ImportedClassTest.php

@@ -0,0 +1,20 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+use Tests\Classes\CallsImportedClass;
+use Tests\Classes\Internal\ImportedClass;
+
+final class ImportedClassTest extends TestCase
+{
+    public function testAspectMethodIsCalled(): void
+    {
+        $c = new CallsImportedClass();
+
+        $o = new ImportedClass();
+
+        $sideEffect = (object) ['before' => false, 'after' => false];
+        $c->dependsOnOther($o, $sideEffect);
+        $this->assertTrue($sideEffect->before);
+        $this->assertTrue($sideEffect->after);
+    }
+}