docs: function(opts, callback) {
          var name;
          try {
            name = opts.query.tag;
          } catch (_error) {}
          if (name == null) {
            return callback(new Error("does.get(opts) requires opts.query.tag"));
          }
          if (local.tagged[name] == null) {
            return callback(new Error("does has nothing with tag " + name));
          }
          return callback(null, local.tagged[name].object);
        }