Neos\Flow\Aop\Builder\ClassNameIndex::getClassNames PHP Méthode

    public function getClassNames()
    {
        return array_keys($this->classNames);
    }

 /**
  * @test
  */
 public function applyUnionWorks()
 {
     $index1 = new Aop\Builder\ClassNameIndex();
     $index1->setClassNames(['\\Foo\\Bar', '\\Foo\\Baz']);
     $index2 = new Aop\Builder\ClassNameIndex();
     $index2->setClassNames(['\\Foo\\Baz', '\\Foo\\Blubb']);
     $index1->applyUnion($index2);
     $index1->sort();
     $this->assertEquals(['\\Foo\\Bar', '\\Foo\\Baz', '\\Foo\\Blubb'], $index1->getClassNames());
 }