code: private static CloudQueueMessage getFirstOrNull(final Iterable<CloudQueueMessage> messages) {
          for (final CloudQueueMessage m : messages) {
              return m;
          }
  
          return null;
      }
docs: Gets the first message from a list of queue messages, if any.
  
  @param messages
  The <code>Iterable</code> collection of {@link CloudQueueMessage} objects to get the first message
  from.
  
  @return The first {@link CloudQueueMessage} from the list of queue messages, or <code>null</code> if the list is
  empty.