@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      handleId_ = 0L;
      commandLine_ = null;
      if (commandLineBuilder_ != null) {
        commandLineBuilder_.dispose();
        commandLineBuilder_ = null;
      }
      return this;
    }
@java.lang.Override
    public Builder clear()