docs: public String getParamName() {
  		int firstColon = myValue.indexOf(':');
  		if (firstColon == -1 || firstColon == myValue.length() - 1) {
  			return null;
  		}
  		int secondColon = myValue.indexOf(':', firstColon + 1);
  		if (secondColon != -1) {
  			return myValue.substring(firstColon + 1, secondColon);
  		}
  		return myValue.substring(firstColon + 1);
  	}