public Builder mergeFrom(JInPiqi.init other) {
        if (other == JInPiqi.init.getDefaultInstance()) return this;
        if (!other.useridList_.isEmpty()) {
          if (useridList_.isEmpty()) {
            useridList_ = other.useridList_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureUseridListIsMutable();
            useridList_.addAll(other.useridList_);
          }
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }