private com.google.protobuf.SingleFieldBuilder<im.turms.server.common.access.client.dto.request.group.member.DeleteGroupMembersRequest, im.turms.server.common.access.client.dto.request.group.member.DeleteGroupMembersRequest.Builder, im.turms.server.common.access.client.dto.request.group.member.DeleteGroupMembersRequestOrBuilder> getDeleteGroupMembersRequestFieldBuilder() {
            if (deleteGroupMembersRequestBuilder_ == null) {
                if (!(kindCase_ == 12)) {
                    kind_ = im.turms.server.common.access.client.dto.request.group.member.DeleteGroupMembersRequest
                            .getDefaultInstance();
                }
                deleteGroupMembersRequestBuilder_ = new com.google.protobuf.SingleFieldBuilder<>(
                        (im.turms.server.common.access.client.dto.request.group.member.DeleteGroupMembersRequest) kind_,
                        getParentForChildren(),
                        isClean());
                kind_ = null;
            }
            kindCase_ = 12;
            onChanged();
            return deleteGroupMembersRequestBuilder_;
        }
<code>.im.turms.proto.DeleteGroupMembersRequest delete_group_members_request = 12;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/TurmsRequest.java