private com.google.protobuf.MapField<java.lang.Long, java.lang.String> internalGetQuestionIdToAnswer() {
            if (questionIdToAnswer_ == null) {
                return com.google.protobuf.MapField
                        .emptyMapField(QuestionIdToAnswerDefaultEntryHolder.defaultEntry);
            }
            return questionIdToAnswer_;
        }
Protobuf type {@code im.turms.proto.CheckGroupJoinQuestionsAnswersRequest}
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/group/enrollment/CheckGroupJoinQuestionsAnswersRequest.java