public ImmutableCharBooleanMap newWithKeyValue(char key, boolean value)
{
MutableCharBooleanMap map = new CharBooleanHashMap(this.size() + 1);
map.putAll(this);
map.put(key, value);
return map.toImmutable();
}
public ImmutableCharBooleanMap newWithoutKey(char key)
{
MutableCharBooleanMap map = new CharBooleanHashMap(this.size());