code: protected boolean isRecoverableSdkClientException(SdkClientException ex) {
  		if (ex instanceof AmazonServiceException) {
  			return KinesisProxy.isRecoverableException((AmazonServiceException) ex);
  		}
  		// customizations may decide to retry other errors, such as read timeouts
  		return false;
  	}
docs: Determines whether the exception is recoverable using exponential-backoff.
  
  @param ex Exception to inspect
  @return <code>true</code> if the exception can be recovered from, else
  <code>false</code>