registerChangeCallback abstract method

IDisposable registerChangeCallback(
  1. void callback(
    1. Object? state
    ),
  2. Object? state
)

Registers for a callback that will be invoked when the entry has changed. hasChanged MUST be set before the callback is invoked.

Implementation

IDisposable registerChangeCallback(
  void Function(Object? state) callback,
  Object? state,
);