private void getMappingByIndex(String indices) throws IOException    {                GetMappingsRequest getMappingsRequest = new GetMappingsRequest();        getMappingsRequest.indices(indices).types(new String[0]);                GetMappingsResponse response = client.admin().indices().getMappings(getMappingsRequest).actionGet();        ImmutableOpenMap
     
      > mappingsByIndex = response.getMappings();        for (ObjectObjectCursor
      
       > indexEntry : mappingsByIndex) {            if (indexEntry.value.isEmpty()) {                continue;            }               System.out.println(indexEntry.key);            for (ObjectObjectCursor
       
         typeEntry : indexEntry.value) {                System.out.println((typeEntry.key));                System.out.println(typeEntry.value.sourceAsMap());            }        }    }