only use optional-wrapped instances of this class . concode_field_sep Label breakLabel concode_elem_sep Optional<LoopLabels> ABSENT concode_elem_sep Label continueLabel concode_field_sep Label labelFor
Optional < LoopLabels > function ( Label arg0 , Label arg1 ) { return Optional . of ( new LoopLabels ( arg0 , arg1 ) ) ; }