@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
        getSerializedSize();
        if (score_ != 0) {
            output.writeInt32(1, score_);
        }
        if (!getQuestionIdsList().isEmpty()) {
            output.writeUInt32NoTag(18);
            output.writeUInt32NoTag(questionIdsMemoizedSerializedSize);
        }
        for (int i = 0; i < questionIds_.size(); i++) {
            output.writeInt64NoTag(questionIds_.getLong(i));
        }
        if (joined_) {
            output.writeBool(3, true);
        }
        getUnknownFields().writeTo(output);
    }
<code>bool joined = 3;</code>

@return The joined.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/group/GroupJoinQuestionsAnswerResult.java