public ImmutableLongCharMap newWithKeyValue(long key, char value)
{
MutableLongCharMap map = new LongCharHashMap(this.size() + 1);
map.putAll(this);
map.put(key, value);
return map.toImmutable();
}
public ImmutableLongCharMap newWithoutKey(long key)
{
MutableLongCharMap map = new LongCharHashMap(this.size());