public ImmutableShortDoubleMap newWithKeyValue(short key, double value)
{
MutableShortDoubleMap map = new ShortDoubleHashMap(this.size() + 1);
map.putAll(this);
map.put(key, value);
return map.toImmutable();
}
public ImmutableShortDoubleMap newWithoutKey(short key)
{
MutableShortDoubleMap map = new ShortDoubleHashMap(this.size());