Zend\Code\Generator\ClassGenerator::setExtendedClass PHP Method

    public function setExtendedClass($extendedClass)
    {
        $this->extendedClass = $extendedClass;
        return $this;
    }

 public function generate()
 {
     $modelBuilder = $this->controller->getModelBuilder();
     $className = $modelBuilder->getName() . 'Controller';
     $class = new ClassGenerator();
     $class->setName($className);
     $class->setExtendedClass('CrudController');
     $param = new ParameterGenerator();
     $param->setName('fb')->setType('FormBuilder');
     $body = $this->generateFormBuilderBody();
     $docblock = '@param FormBuilder $fb';
     $class->addMethod('buildForm', array($param), MethodGenerator::FLAG_PUBLIC, $body, $docblock);
     $param = new ParameterGenerator();
     $param->setName('mb')->setType('ModelBuilder');
     $body = '';
     $docblock = '@param ModelBuilder $mb';
     $class->addMethod('buildModel', array($param), MethodGenerator::FLAG_PUBLIC, $body, $docblock);
     $param = new ParameterGenerator();
     $param->setName('ob')->setType('OverviewBuilder');
     $body = '';
     $docblock = '@param OverviewBuilder $ob';
     $class->addMethod('buildOverview', array($param), MethodGenerator::FLAG_PUBLIC, $body, $docblock);
     $this->generator->setClass($class);
     $this->generator->setUses(array('Boyhagemann\\Crud\\CrudController', 'Boyhagemann\\Form\\FormBuilder', 'Boyhagemann\\Model\\ModelBuilder', 'Boyhagemann\\Overview\\OverviewBuilder'));
     return $this->generator->generate();
 }