docs: public boolean supports(final MixedIndexType index, final ParameterIndexField field) {
          IndexInformation indexinfo = mixedIndexes.get(index.getBackingIndexName());
          Preconditions.checkArgument(indexinfo != null, "Index is unknown or not configured: %s", index.getBackingIndexName());
          return indexinfo.supports(getKeyInformation(field));
      }