public ImmutableIntLongMap newWithKeyValue(int key, long value)
{
MutableIntLongMap map = new IntLongHashMap(this.size() + 1);
map.putAll(this);
map.put(key, value);
return map.toImmutable();
}
public ImmutableIntLongMap newWithoutKey(int key)
{
MutableIntLongMap map = new IntLongHashMap(this.size());