in indigo.js [620:624]
IndigoObject.prototype.countMatchesWithLimit = function(query, embeddings_limit) {
this.d._setSessionId();
let e_limit = embeddings_limit || 0; /*see indigoCountMatches implementation*/
return this.d._checkResult(this.d._lib.indigoCountMatchesWithLimit(this.id, query.id, e_limit));
};