code: public ImmutableOpenMap<String, ImmutableOpenMap<String, MappingMetaData>>
      getMappingsResponse(String... indices) {
          GetMappingsRequestBuilder getMappingsRequestBuilder =
                  admin().indices().prepareGetMappings(indices);
          return JMElasticsearchUtil
                  .logRequestQueryAndReturn("getMappingsResponse",
                          getMappingsRequestBuilder,
                          getMappingsRequestBuilder.execute
                                  ()).getMappings();
      }
docs: Gets mappings response.
  
  @param indices the indices
  @return the mappings response