export declare class Layout {
    container: HTMLElement;
    middle: HTMLElement;
    workbench: HTMLElement;
    scroller: HTMLElement;
    get top(): HTMLElement;
    get bottom(): HTMLElement;
    private _top;
    private _bottom;
    private isAppendTop;
    private isAppendBottom;
    private sub;
    constructor(autoHeight?: boolean);
    setTheme(theme: string): void;
    destroy(): void;
}