import type { PushDirectory } from "./push-directory.ts";
export declare function setPushDirectory(directory: PushDirectory | undefined): void;
export declare function drainStartedAt(): Date | undefined;
export declare function hasPushDirectory(): boolean;
export declare function startNotifyDrain(directory?: PushDirectory): void;
export declare function stopNotifyDrain(): void;
export declare function wakeDrain(): void;
export declare function drainOnce(): Promise<void>;
