docs: public String getDfsPath () throws SmbException {
          try {
              String path = this.treeConnection.ensureDFSResolved(this.fileLocator).getDfsPath();
              if ( path != null && isDirectory() ) {
                  path += '/';
              }
              return path;
          }
          catch ( CIFSException e ) {
              throw SmbException.wrap(e);
          }
      }