Add an observer object. that will receive notification for the given methodName.
Get a representation by name.
Optionally arguments could be provided if the representation factory requires arguments.
Normalizes lib key.
- value must be a
- value must be at least one character long.
- Returned value will be an unencoded
Normalizes lib value.
- value must not be
- Returned value is the same type as the input value.
Tell the environment that something has changed in the object. The behavior of this method will vary from environment to environment.