import { readPid } from '../config.js';
import { type ShutdownPolicy } from './shutdown-policy.js';
export declare const DAEMON_EXIT_POLL_INTERVAL_MS = 500;
/** Canonical owner-scoped boundary for the daemon PID and shutdown policy. */
export declare const daemonRuntimeState: {
    claim(pid: number, policy: ShutdownPolicy): Promise<void>;
    readPid: typeof readPid;
    readPolicy(expectedPid: number): Promise<ShutdownPolicy | null>;
    resolveWaitTimeoutMs(expectedPid: number): Promise<number>;
    release(expectedPid: number): Promise<void>;
};
interface WaitForDaemonExitOptions {
    timeoutMs?: number;
    pollIntervalMs?: number;
    now?: () => number;
    sleep?: (ms: number) => Promise<void>;
    isRunning?: (pid: number) => boolean;
}
/** Wait for a known worker PID to exit without exceeding the shutdown policy. */
export declare function waitForDaemonExit(pid: number, options?: WaitForDaemonExitOptions): Promise<boolean>;
export type DaemonShutdownResult = {
    status: 'not-running';
    pid: number | null;
} | {
    status: 'stopped';
    pid: number | null;
    timeoutMs?: number;
    cleanupError?: unknown;
} | {
    status: 'timed-out';
    pid: number;
    timeoutMs: number;
};
export interface DaemonShutdownCoordinator {
    stopViaApi(requestShutdown: () => Promise<void>): Promise<DaemonShutdownResult>;
    stopViaSignal(): Promise<DaemonShutdownResult>;
}
interface DaemonShutdownCoordinatorIo {
    runtimeState: Pick<typeof daemonRuntimeState, 'readPid' | 'resolveWaitTimeoutMs' | 'release'>;
    isRunning(pid: number): boolean;
    kill(pid: number, signal: NodeJS.Signals): void;
    waitForExit(pid: number, timeoutMs: number): Promise<boolean>;
}
/** Build the single lifecycle coordinator; low-level process I/O is injected here once. */
export declare function createDaemonShutdownCoordinator(io?: DaemonShutdownCoordinatorIo): DaemonShutdownCoordinator;
export declare const daemonShutdownCoordinator: DaemonShutdownCoordinator;
interface DaemonShutdownReporter {
    log(message: string): void;
    error(message: string): void;
}
/** Keep presentation at the command boundary while the coordinator owns lifecycle I/O. */
export declare function reportDaemonShutdownResult(result: DaemonShutdownResult, reporter?: DaemonShutdownReporter): boolean;
export {};
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