export interface ShutdownHandler {
    name: string;
    handler: () => Promise<void> | void;
    priority?: number;
}
export interface ShutdownOptions {
    timeoutMs?: number;
    signals?: NodeJS.Signals[];
    logger?: (msg: string) => void;
}
export declare class ShutdownManager {
    private handlers;
    private _shuttingDown;
    private _shutdownComplete;
    private timeoutMs;
    private signals;
    private logger;
    private signalListeners;
    private exitOnComplete;
    constructor(options?: ShutdownOptions);
    register(name: string, handler: () => Promise<void> | void, priority?: number): this;
    listen(): this;
    unlisten(): void;
    setExitOnComplete(value: boolean): this;
    shutdown(): Promise<void>;
    get shuttingDown(): boolean;
    get isComplete(): boolean;
    get handlerCount(): number;
}
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