bool
mongoc_bulkwrite_append_updatemany (mongoc_bulkwrite_t *self,


                                    const char *ns,


                                    const bson_t *filter,


                                    const bson_t *update,


                                    const mongoc_bulkwrite_updatemanyopts_t *opts /* May be NULL */,


                                    bson_error_t *error);