code: public static ICalDataType find(String value) {
  		if ("CID".equalsIgnoreCase(value)) {
  			//"CID" is an alias for "CONTENT-ID" (vCal 1.0, p.17)
  			return CONTENT_ID;
  		}
  		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