code: public EClass getPresentationSpaceMixingRules() {
  		if (presentationSpaceMixingRulesEClass == null) {
  			presentationSpaceMixingRulesEClass = (EClass)EPackage.Registry.INSTANCE.getEPackage(AfplibPackage.eNS_URI).getEClassifiers().get(373);
  		}
  		return presentationSpaceMixingRulesEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated