code: @SuppressWarnings("unchecked")
  	public EList<IfcStructuralResultGroup> getSourceOfResultGroup() {
  		return (EList<IfcStructuralResultGroup>) eGet(
  				Ifc2x3tc1Package.Literals.IFC_STRUCTURAL_LOAD_GROUP__SOURCE_OF_RESULT_GROUP, true);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated