code: @SuppressWarnings("unchecked")
  	@Override
  	public EList<IfcClassificationReference> getHasReferences() {
  		return (EList<IfcClassificationReference>) eGet(
  				Ifc4Package.Literals.IFC_CLASSIFICATION_REFERENCE__HAS_REFERENCES, true);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated