Zend\Code\Generator\ClassGenerator::setAbstract PHP Метод

    public function setAbstract($isAbstract)
    {
        return $isAbstract ? $this->addFlag(self::FLAG_ABSTRACT) : $this->removeFlag(self::FLAG_ABSTRACT);
    }

 public function testAbstractAccessors()
 {
     $classGenerator = new ClassGenerator();
     $this->assertFalse($classGenerator->isAbstract());
     $classGenerator->setAbstract(true);
     $this->assertTrue($classGenerator->isAbstract());
 }