export declare class Sandbox {
    static iframeOrigins: string[];
    private port?;
    private userFiles?;
    private isRunning;
    project: Promise<IFile[]>;
    readonly entryPoints: Promise<(IFile | undefined)[]>;
    constructor(options?: {
        userFiles?: IFile[];
    });
    run(userFiles?: IFile[]): Promise<void>;
    update(userFiles: IFile[]): Promise<void>;
    /**
     * TODO: ??
     */
    private reload;
    dispose(): void;
    private onMessage;
    private onPortMessage;
    private reply;
    private resolve;
    private fetchText;
    private fetchDataURL;
}
export interface IFile {
    type: string;
    name: string;
    code: string;
    text?: string;
    _transpileCache?: string;
}