import type { ActiveLogExporterMode } from '../telemetry-config.js';
import { type DaemonLogSinkDeps, type RemoteLogShipper } from './log-sink.js';
export declare const DEFAULT_FATAL_LOG_DRAIN_TIMEOUT_MS = 2000;
/**
 * Fatal exceptions must not leave a broken daemon alive because its log file
 * is stuck. Detach all producers, give accepted writes one short best-effort
 * drain window, then invoke the exit callback regardless of the outcome.
 */
export declare function exitAfterFatalLogDrain(opts: {
    detach: () => void;
    shutdown: () => Promise<void>;
    exit: (code: number) => void;
    timeoutMs?: number;
    reportTimeout?: (message: string) => void;
}): Promise<void>;
interface DaemonLogExporter {
    mode: ActiveLogExporterMode;
    shipper: RemoteLogShipper;
    shutdown: () => Promise<void>;
}
export type DaemonLogExporterStartResult = {
    ok: true;
    started: boolean;
} | {
    ok: false;
    error: string;
};
export interface DaemonLogController {
    startExporter(mode: ActiveLogExporterMode, factory: () => Omit<DaemonLogExporter, 'mode'>): DaemonLogExporterStartResult;
    stopExporter(): Promise<ActiveLogExporterMode | null>;
    detachSink(): void;
}
/**
 * Own the daemon Logger sink and the active shipper it reads. TelemetryRuntime
 * is the sole caller that starts/stops the exporter; daemon shutdown calls
 * detachSink() synchronously, then lets that runtime perform the final flush.
 * Database maintenance lives in dashboard-log-volume-pruner.ts.
 */
export declare function startDaemonLogController(opts: {
    writeLocalDebug: DaemonLogSinkDeps['writeLocalDebug'];
    insertDiagnosticLog: DaemonLogSinkDeps['insertDiagnosticLog'];
    redact: DaemonLogSinkDeps['redact'];
}): DaemonLogController;
export {};
//# sourceMappingURL=log-lifecycle.d.ts.map