import { ReactiveElement } from "./reactive-element.js";

//#region src/destroy-mixin.d.ts
interface Destroyable {
  readonly destroyed: boolean;
  destroy(): void;
  destroyCallback(): void;
}
/**
 * Mixin that adds a deferred destruction lifecycle to a `ReactiveElement`.
 *
 * On disconnect, schedules destruction after two animation frames.
 * If the element reconnects before the frames fire (e.g. DOM shuffling,
 * framework reconciliation), the `isConnected` check prevents destruction.
 *
 * The `keep-alive` attribute prevents automatic destruction entirely —
 * call `destroy()` manually when done.
 *
 * Subclasses override `destroyCallback()` (calling `super.destroyCallback()`)
 * to release heavy resources like stores or imperative APIs.
 *
 * Mirrors `addController`/`removeController` to track controllers
 * (needed because `ReactiveElement.#controllers` is hard-private),
 * calls `hostDestroyed()` on all tracked controllers in `destroyCallback`,
 * and guards `performUpdate()` so no updates run after destruction.
 */
declare function DestroyMixin<Base extends new (...args: any[]) => ReactiveElement>(SuperClass: Base): Base & (new (...args: any[]) => Destroyable);
//#endregion
export { DestroyMixin, Destroyable };
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