docs: function (store, type/*, record*/) {
      var key, counters;
      key = dasherize(this._parseModelOrType(store, type).typeKey);
      counters = this.get('_generatedCounterId');
      if (!counters[key]) {
        counters[key] = 1;
      }
      return 'fixture-' + key + '-' + (counters[key]++);
    }