public static Observable<UnitResponse> call(Unit destinationUnitBean, Bean bean) {
        return call(destinationUnitBean.getGroup().getName(), destinationUnitBean.getName(), bean);
    }
public static Observable < UnitResponse > call ( Unit destinationUnitBean , Bean bean ) { return call ( destinationUnitBean . getGroup ( ) . getName ( ) , destinationUnitBean . getName ( ) , bean ) ; }
@param destinationUnitBean the destination unit description bean. group name and unit name required.
@param bean                parameter bean
@return Observable