docs: public DeleteTableResponse deleteTable(String tableName) {
          checkNotNull(tableName, "request should not be null.");
          InternalRequest httpRequest = createRequestUnderInstance(HttpMethodName.DELETE,
                  MolaDbConstants.URI_TABLE,
                  tableName);
          DeleteTableResponse ret = this.invokeHttpClient(httpRequest, DeleteTableResponse.class);
          return ret;
      }