public im.turms.server.common.access.client.dto.model.group.GroupJoinQuestion.Builder addGroupJoinQuestionsBuilder() {
            return getGroupJoinQuestionsFieldBuilder().addBuilder(
                    im.turms.server.common.access.client.dto.model.group.GroupJoinQuestion
                            .getDefaultInstance());
        }
<code>repeated .im.turms.proto.GroupJoinQuestion group_join_questions = 1;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/group/GroupJoinQuestionsWithVersion.java