code: public void setEPackage(EPackage newEPackage) {
  		EPackage oldEPackage = ePackage;
  		ePackage = newEPackage;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, XtextPackage.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, oldEPackage, ePackage));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated