type ShutdownHandler = () => void | Promise<void>;
export type ShutdownSignal = {
    readonly aborted: boolean;
    addEventListener: (type: "abort", listener: () => void) => void;
    removeEventListener: (type: "abort", listener: () => void) => void;
};
export declare const shutdownSignal: ShutdownSignal;
export declare function onShutdown(name: string, handler: ShutdownHandler): () => void;
export declare function isShutdown(): boolean;
export declare function awaitShutdown(): Promise<NodeJS.Signals | "fatal">;
export declare function requestShutdown(signal?: NodeJS.Signals | "fatal"): void;
export {};
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