Emitted when a Defer Promise instance is fulfilled, meaning it has fully resolved to a value without encountering an error. At the time of emission, the Promise's state will be "fulfilled".

Alias for settled | the 'fulfilled' event

Emitted when a Defer Promise instance is rejected, meaning it has encountered an error. At the time of emission, the Promise's state will be "rejected".

Emitted when a Defer Promise instance is settled, meaning it has been either fulfilled or rejected. At the time of emission, the Promise's state will be either "fulfilled" or "rejected", indicating their outcome.

Note: This is fired after any "fulfilled" or "rejected" events.

Emitted whenever a Defer Promise's state changes to a new value. This event is fired before any "fulfilled" or "rejected" events, and before the Promise is actually completely settled.