code: @Override
      public BatchDeleteConnectionResult batchDeleteConnection(BatchDeleteConnectionRequest request) {
          request = beforeClientExecution(request);
          return executeBatchDeleteConnection(request);
      }
docs: <p>
  Deletes a list of connection definitions from the Data Catalog.
  </p>
  
  @param batchDeleteConnectionRequest
  @return Result of the BatchDeleteConnection operation returned by the service.
  @throws InternalServiceException
  An internal service error occurred.
  @throws OperationTimeoutException
  The operation timed out.
  @sample AWSGlue.BatchDeleteConnection
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/glue-2017-03-31/BatchDeleteConnection" target="_top">AWS API
  Documentation</a>