code: public SendMessageResult sendMessage(String queueUrl, String messageBody) throws AmazonServiceException,
  			AmazonClientException {
  
  		return amazonSqsToBeExtended.sendMessage(queueUrl, messageBody);
  	}
docs: <p>
  Delivers a message to the specified queue. With Amazon SQS, you now have
  the ability to send large payload messages that are up to 256KB (262,144
  bytes) in size. To send large payloads, you must use an AWS SDK that
  supports SigV4 signing. To verify whether SigV4 is supported for an AWS
  SDK, check the SDK release notes.
  </p>
  <p>
  <b>IMPORTANT:</b> The following list shows the characters (in Unicode)
  allowed in your message, according to the W3C XML specification. For more
  information, go to http://www.w3.org/TR/REC-xml/#charsets If you send any
  characters not included in the list, your request will be rejected. #x9 |
  #xA | #xD | [#x20 to #xD7FF] | [#xE000 to #xFFFD] | [#x10000 to #x10FFFF]
  </p>
  
  @param queueUrl
  The URL of the Amazon SQS queue to take action on.
  @param messageBody
  The message to send. String maximum 256 KB in size. For a list
  of allowed characters, see the preceding important note.
  
  @return The response from the SendMessage service method, as returned by
  AmazonSQS.
  
  @throws InvalidMessageContentsException
  @throws UnsupportedOperationException
  
  @throws AmazonClientException
  If any internal errors are encountered inside the client
  while attempting to make the request or handle the response.
  For example if a network connection is not available.
  @throws AmazonServiceException
  If an error response is returned by AmazonSQS indicating
  either a problem with the data in the request, or a server
  side issue.