question: public String formatExportCmd ( String dataMover , List < VNXFileExport > exports , Map < String , String > userInfo , String netBios ) { if ( exports . isEmpty ( ) ) { _log . debug ( "There is no entry to export" ) ; return null ; } String mountPoint = entryPathsDiffer ( exports ) ; if ( mountPoint == null ) { _log . debug ( "Single ssh API command is being applied to multiple paths." ) ; return null ; } String protocol = entryProtocolsDiffer ( exports ) ; if ( protocol == null ) { _log . debug ( "Single ssh API command is being applied to multiple protocols." ) ; return null ; } StringBuilder options = new StringBuilder ( ) ; String result = null ; if ( protocol . equalsIgnoreCase ( VNX_CIFS ) ) { result = formatCifsCmd ( exports , netBios ) ; } else { result = formatNfsCmd ( exports , userInfo ) ; } options . append ( result ) ; options . append ( " " ) ; StringBuilder cmd = new StringBuilder ( ) ; cmd . append ( dataMover ) ; cmd . append ( options . toString ( ) ) ; cmd . append ( mountPoint ) ; return cmd . toString ( ) ; }
target:  Create the command string for exporting a file system.