import type { KythiaClient, KythiaContainer, IShutdownManager, KythiaLogger } from '../types';
export declare class ShutdownManager implements IShutdownManager {
    client: KythiaClient;
    container: KythiaContainer;
    logger: KythiaLogger;
    private _activeIntervals;
    private _messagesWithActiveCollectors;
    private _collectorPatched;
    private _cleanupAttached;
    private _isShuttingDown;
    private _shutdownPromise;
    private _heartbeatInterval;
    private _lastHeartbeatAck;
    private _masterStartedAt;
    getMasterUptime(): string;
    get masterStartedAt(): number;
    private _startMemoryMonitor;
    protected _getHeapStats(): {
        heap_size_limit: number;
    };
    constructor({ client, container, }: {
        client: KythiaClient;
        container: KythiaContainer;
    });
    private _logHistory;
    private _sendLifecycleWebhook;
    shutdown(reason: string): Promise<void>;
    private _runShutdown;
    initializeGlobalIntervalTracker(): void;
    disableRecursively(components: Record<string, unknown>[]): Record<string, unknown>[];
    initializeShutdownCollectors(): void;
    initialize(): void;
    private _startCollectorPrune;
    private _attachExitLogger;
    sendStartupWebhook(): Promise<void>;
    private _startMasterHeartbeat;
    getActiveIntervalsCount(): number;
    getActiveCollectorsCount(): number;
    forceCleanup(): void;
}
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