public boolean equals(getOption_args that) {
      if (that == null)
        return false;

      boolean this_present_key = true && this.isSetKey();
      boolean that_present_key = true && that.isSetKey();
      if (this_present_key || that_present_key) {
        if (!(this_present_key && that_present_key))
          return false;
        if (!this.key.equals(that.key))
          return false;
      }

      return true;
    }