code: function (db, indexName, facetDoc, query, cb) {
  			var url = host + "databases/" + db + "/facets/" + indexName + "?facetDoc=" + facetDoc + "&query=" + encodeURIComponent(query);
  			request(url, function (error, response, body) {
  				if (!error && response.statusCode === 200) {
  					var result = JSON.parse(body);
  					_.each(result.Results, function (v, k) {
  						if (_.filter(v.Values, function (x) {
  							return x.Hits > 0;
  						}).length < 2) {
  							delete result.Results[k];
  							return;
  						}
  						v.Values = _.chain(v.Values)
  							.map(function (x) {
  								var val = JSON.stringify(x.Range)
  									.replace(/^\"|\"$/gi, "")
  									.replace(/\:/gi, "\\:")
  									.replace(/\(/gi, "\\(")
  									.replace(/\)/gi, "\\)");
  								if (x.Range.indexOf(" TO ") <= 0 || x.Range.indexOf("[") !== 0) {
  									val = val.replace(/\ /gi, "\\ ");
  								}
  								val = encodeURIComponent(val);
  								x.q = k + ":" + val;
  								x.Range = x.Range
  									.replace(/^\[Dx/, "")
  									.replace(/ Dx/, " ")
  									.replace(/\]$/, "")
  									.replace(/ TO /, "-");
  								return x;
  							}).filter(function (x) {
  								return x.Hits > 0;
  							}).sortBy(function (x) {
  								return x.Range;
  							}).value();
  					});
  					cb(null, result.Results);
  				} else
  					cb(error || new Error(response.statusCode), null);
  			});
  		}
docs: Returns Facet Results.
  @param {string} db
  @param {string} indexName
  @param {string} facetDoc
  @param {string} query
  @param {Function} cb