question: public VNXeCommandResult removeLunsFromLunGroup ( String lunGroupId , List < String > luns ) { LunGroupModifyParam param = new LunGroupModifyParam ( ) ; List < LunAddParam > lunRemoves = new ArrayList < LunAddParam > ( ) ; for ( String lunId : luns ) { VNXeBase lun = new VNXeBase ( lunId ) ; LunAddParam lunAdd = new LunAddParam ( ) ; lunAdd . setLun ( lun ) ; lunRemoves . add ( lunAdd ) ; } param . setLunRemove ( lunRemoves ) ; LunGroupRequests req = new LunGroupRequests ( _khClient ) ; return req . modifyLunGroupSync ( lunGroupId , param ) ; }
target:  Remove luns from the lun group