import { LayoutMode, RendererStyles } from '../../core/renderer';
export type BrowserViewportHostKind = 'reflowable' | 'fixed';
export interface BrowserViewportHostConfig {
    readonly container: HTMLElement;
    readonly kind: BrowserViewportHostKind;
    readonly styles?: RendererStyles;
    readonly defaultColor?: string;
}
export declare class BrowserViewportHost {
    readonly container: HTMLElement;
    readonly scroller: HTMLElement;
    readonly scrollExtent: HTMLElement;
    readonly surfaceHost: HTMLElement;
    private readonly defaultColor;
    constructor(config: BrowserViewportHostConfig);
    applyStyles(styles: RendererStyles): void;
    setOverflowForLayout(mode: LayoutMode): void;
    resetScrollExtent(): void;
    setScrollExtentHeight(height: number): void;
    destroy(): void;
    private configureReflowableHost;
    private configureFixedHost;
}
export declare const createBrowserViewportHost: (config: BrowserViewportHostConfig) => BrowserViewportHost;
//# sourceMappingURL=viewport.d.ts.map