code: public EClass getObjectStructuredFieldExtent() {
  		if (objectStructuredFieldExtentEClass == null) {
  			objectStructuredFieldExtentEClass = (EClass)EPackage.Registry.INSTANCE.getEPackage(AfplibPackage.eNS_URI).getEClassifiers().get(511);
  		}
  		return objectStructuredFieldExtentEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated