import type { DaemonLogger } from './logging.js';
export declare const SHUTDOWN_COMPONENT_TIMEOUT_MS = 5000;
export declare const SHUTDOWN_DRAIN_TIMEOUT_MS = 5000;
type Stoppable = {
    stop(): void | Promise<void>;
};
type Closable = {
    close(): void | Promise<void>;
};
export type GatewayShutdownDependencies = {
    logger: DaemonLogger;
    stopAccepting?: Stoppable;
    stopControl?: Closable;
    stopTimers?: Stoppable;
    drainCoordinator?: () => Promise<void>;
    stopPi?: () => Promise<void>;
    closeDatabase?: () => void;
    releaseLock?: () => void;
    /** Test seam and fixed upper bound for every asynchronous cleanup component. */
    componentTimeoutMs?: number;
    drainTimeoutMs?: number;
    /** Must exceed PiRpcSession's complete stdin/TERM/KILL escalation window. */
    piTimeoutMs?: number;
    setTimeout?: typeof setTimeout;
    clearTimeout?: typeof clearTimeout;
};
/** Idempotent ordered shutdown; cleanup always reaches database and lock release. */
export declare class GatewayLifecycle {
    private readonly dependencies;
    private shutdownPromise;
    constructor(dependencies: GatewayShutdownDependencies);
    shutdown(reason?: string): Promise<void>;
    private component;
    private performShutdown;
}
export {};