code: public boolean create(String index) {
          CreateIndexRequestBuilder createIndexRequestBuilder =
                  admin().indices().prepareCreate(index);
          return JMElasticsearchUtil.logRequestQueryAndReturn("create",
                  createIndexRequestBuilder,
                  createIndexRequestBuilder.execute())
                  .isAcknowledged();
      }
docs: Create boolean.
  
  @param index the index
  @return the boolean