import { ISafeifyOptions } from "./ISafeifyOptions";
export declare class Safeify {
    private options;
    private workers;
    private pendingScripts;
    private cgroups;
    private inited;
    private presets;
    constructor(opts?: ISafeifyOptions);
    private normalize;
    init(): Promise<void>;
    destroy: () => void;
    distory: () => void;
    private destroyWorker;
    readonly workerTotal: number;
    readonly pendingTotal: number;
    readonly runningTotal: number;
    private onWokerCall;
    private onWorkerMessage;
    private onWorkerDone;
    private handleScriptDone;
    private handleScriptResult;
    private alignmentWorker;
    private onWorkerDisconnect;
    private createControlGroup;
    private createWorker;
    private readonly healthyWorkers;
    private createWorkers;
    private execute;
    private onScriptAsyncTimeout;
    private toCode;
    preset(code: string | Function): void;
    run(code: string | Function, sandbox?: any): Promise<any>;
}