How to use the n3.Parser._resetBlankNodeIds function in n3

TurtleDatasource.prototype._getAllTriples = function (addTriple, done) {
  var document = this._fetch({ url: this._url, headers: { accept: ACCEPT } }, done);
  N3Parser._resetBlankNodeIds();
  new N3Parser().parse(document, function (error, triple) {
    triple ? addTriple(triple) : done(error);
  });
};

resetBlankNodeIds: function() {
        N3Parser._resetBlankNodeIds();
    }

TrigDatasource.prototype._getAllQuads = function (addQuad, done) {
  var document = this._fetch({ url: this._url, headers: { accept: ACCEPT } }, done);
  N3Parser._resetBlankNodeIds();
  new N3Parser().parse(document, function (error, quad) {
    quad ? addQuad(quad) : done(error);
  });
};

resetBlankNodeIds: function() {
      N3Parser._resetBlankNodeIds();
  }