/**
* Adds the specified value to the specified key's list if it is not already in that list.
*
* @param key the key to associate the value with
* @param value the value to be associated
*/
public void put(T key, V value) {
if (!map.containsKey(key)) map.put(key, new SortedList<>(valueComparator));
SortedList<V> temp = map.get(key);
if (!temp.contains(value)) {
temp.add(value);
map.put(key, temp);
}
}
