code: @SuppressWarnings("PMD.LinguisticNaming")
      public IndexMatchVerifier isIndexSigns(final Object... signs) {
          final List<Object> idxsigns = Lists.newArrayList();
          idxsigns.add(index.getType());
          idxsigns.addAll(Arrays.asList(signs));
          return new IndexMatchVerifier(idxsigns);
      }
docs: Compares current index configuration with new signature.
  Used to decide if index should be dropped and re-created or its completely equal to new signature.
  
  @param signs original index signs to compare
  @return matcher object to specify new signature signs (order is important!)