private void clearDeleteGroupInvitationRequest() {
        if (kindCase_ == 504) {
            kindCase_ = 0;
            kind_ = null;
        }
    }
<code>.im.turms.proto.DeleteGroupInvitationRequest delete_group_invitation_request = 504;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/TurmsRequest.java