import { LanguageServiceDefaults } from './monaco.contribution';
import type { CSSWorker } from './cssWorker';
import { Uri } from '../../fillers/monaco-editor-core';
export declare class WorkerManager {
    private _defaults;
    private _idleCheckInterval;
    private _lastUsedTime;
    private _configChangeListener;
    private _worker;
    private _client;
    constructor(defaults: LanguageServiceDefaults);
    private _stopWorker;
    dispose(): void;
    private _checkIfIdle;
    private _getClient;
    getLanguageServiceWorker(...resources: Uri[]): Promise<CSSWorker>;
}