public boolean add(final T value) {int index = elements.size();elements.add(value);valueKeyMap.put(value, index);return true;}

public boolean add ( final T value ) { int index = elements . size ( ) ; elements . add ( value ) ; valueKeyMap . put ( value , index ) ; return true ; }
public bool Add(T value){int index = elements.Count;elements.Add(value);if (valueKeyMap.ContainsKey(value)){valueKeyMap[value] = index;}else{valueKeyMap.Add(value, index);}return true;}
