import { GlobalCredentialsHandler } from './analytics/credentials-handler';
import { PlaygroundSessionInfo } from './interfaces';
export declare class PlaygroundService {
    baseUrl: string;
    playgroundSessionsApi: string;
    globalCredentialsHandler: GlobalCredentialsHandler;
    playgroundSession: PlaygroundSessionInfo | null;
    port: number;
    onClose?: () => void;
    tunnel: any;
    constructor(port: number, onClose?: () => void);
    start(): Promise<void>;
    getPlaygroundSession(id: string): Promise<PlaygroundSessionInfo | null>;
    newPlaygroundSession({ url, app_name, anonymous_id, }: {
        url: any;
        app_name: any;
        anonymous_id: any;
    }): Promise<PlaygroundSessionInfo | null>;
    get code(): string | undefined;
    stop(): Promise<void>;
}