code: public EClass getESU() {
  		if (esuEClass == null) {
  			esuEClass = (EClass)EPackage.Registry.INSTANCE.getEPackage(AfplibPackage.eNS_URI).getEClassifiers().get(328);
  		}
  		return esuEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated