code: @Override
      public List<Index> getIndexes() {
          return Arrays.<Index>asList(Indexes.ZIPKIN_ANNOTATIONS_A_KEY, Indexes.ZIPKIN_ANNOTATIONS_A_TYPE, Indexes.ZIPKIN_ANNOTATIONS_ENDPOINT_SERVICE_NAME, Indexes.ZIPKIN_ANNOTATIONS_TRACE_ID, Indexes.ZIPKIN_ANNOTATIONS_TRACE_ID_HIGH, Indexes.ZIPKIN_ANNOTATIONS_TRACE_ID_HIGH_2, Indexes.ZIPKIN_ANNOTATIONS_TRACE_ID_HIGH_3);
      }
docs: {@inheritDoc}