export type DestructorFn = () => void | Promise<void> | Promise<void[]>;
export type Destructors = Array<DestructorFn>;
export declare function destroySync(ctx: object): void;
export declare function destroy(ctx: object, promises?: Array<Promise<void>>): void;
export declare function registerDestructor(ctx: object, ...fn: Destructors): void;
/**
 * Same as registerDestructor but takes a destructor array directly,
 * avoiding the rest-parameter `arguments` collection allocation per call.
 * Used on hot per-element paths in `_DOM` where we already have the
 * destructors pre-built in an array.
 */
export declare function registerDestructorBatch(ctx: object, fns: Destructors): void;
export declare function isDestroyed(ctx: object): boolean;
export declare function isDestructionStarted(ctx: object): boolean;
export declare function markAsDestroyed(ctx: object): void;
export declare function associateDestroyableChild(parent: object, child: object): void;