code: public EClass getVector4f() {
  		if (vector4fEClass == null) {
  			vector4fEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(GeometryPackage.eNS_URI).getEClassifiers().get(5);
  		}
  		return vector4fEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated