Unstable class
Annotation that indicates that an API is not expected to change but has not undergone enough testing to be considered stable.
class Unstable {
const Unstable();
}
Constructors
const Unstable() #
Creates a new Object instance.
Object instances have no meaningful state, and are only useful
through their identity. An Object instance is equal to itself
only.
docs inherited from Object
const Unstable();