question: @ Override public Map < String , Set < URI > > findExportMasks ( final StorageSystem storage , final List < String > initiatorNames , final boolean mustHaveAllPorts ) throws DeviceControllerException { return _exportMaskOperationsHelper . findExportMasks ( storage , initiatorNames , mustHaveAllPorts ) ; }
target:  This interface will return a mapping of the port name to the URI of the ExportMask in which it is contained.