import { Worker } from 'worker_threads';
import { ConsoleInterface } from '../common/console';
export interface CacheOwner {
    getCacheUsage(): number;
    emptyCache(): void;
}
export declare class CacheManager {
    private readonly _maxWorkers;
    private _pausedCount;
    private readonly _cacheOwners;
    private _sharedUsageBuffer;
    private _sharedUsagePosition;
    private _lastHeapStats;
    constructor(_maxWorkers?: number);
    registerCacheOwner(provider: CacheOwner): void;
    addWorker(index: number, worker: Worker): void;
    handleCachedUsageBufferMessage(msg: {
        requestType: string;
        data: string | null;
        sharedUsageBuffer?: SharedArrayBuffer;
    }): void;
    unregisterCacheOwner(provider: CacheOwner): void;
    pauseTracking(): {
        dispose(): void;
    };
    getCacheUsage(): number;
    emptyCache(console?: ConsoleInterface): void;
    getUsedHeapRatio(console?: ConsoleInterface): number;
    private _convertToMB;
    private _getSharedUsageBuffer;
    private _getTotalHeapUsage;
}
export declare namespace CacheManager {
    function is(obj: any): obj is CacheManager;
}