code: public static ParticipationStatus find(String value) {
  		if ("NEEDS ACTION".equalsIgnoreCase(value)) { //vCal
  			return NEEDS_ACTION;
  		}
  		return enums.find(value);
  	}
docs: Searches for a parameter value that is defined as a static constant in
  this class.
  @param value the parameter value
  @return the object or null if not found