code: public static String implode(EventLabel... eventLabels)
  	{
  		if (eventLabels.length == 0)
  		{
  			return "''";
  		}
  		StringBuilder output = new StringBuilder();
  		output.append('\'').append(eventLabels[0].getEventLabel());
  		for (int i = 1; i < eventLabels.length; i++)
  		{
  			EventLabel eventLabel = eventLabels[i];
  			output.append(' ').append(eventLabel.getEventLabel());
  		}
  		output.append('\'');
  		return output.toString();
  	}
docs: Converts the given array of {@link EventLabel} to a {@link String}.