Interface Destructable

[destruct]

• [destruct](): MaybePromise<void>

• Perform destruction. This is used invoked by Constructable#close after transitioning to Lifecycle.Status.Destroying but before transitioning to Lifecycle.Status.Destroyed.

  This is separate from Symbol.dispose/Symbol.asyncDispose so those can invoke Constructable#close.

  Returns MaybePromise<void>