code: @DoesServiceRequest
      public Iterable<CloudQueueMessage> peekMessages(final int numberOfMessages) throws StorageException {
          return this.peekMessages(numberOfMessages, null /* options */, null /* opContext */);
      }
docs: Peeks a specified number of messages from the queue. A peek request retrieves messages from the front of the
  queue without changing their visibility.
  
  @param numberOfMessages
  The number of messages to retrieve.
  
  @return An enumerable collection of {@link CloudQueueMessage} objects that represents the requested messages from
  the queue.
  
  @throws StorageException
  If a storage service error occurred during the operation.