Returns the factory-produced value. Throws an IllegalStateError if the global registry has not been initialized.
Initializes the global ref.
This is done automatically on first use of value, but may be initialized eagerly.
Resets this initializer back to its pre-initialized state. If the initializer produced a disposable value, it will be disposed.
Overrides this initializer. The previous initializer will be provided as an argument for extension.
Throws an IllegalStateError if the global registry has been initialized.
Returns this
True if this has been initialized.