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