import type { Browser, BrowserContext } from 'playwright';
export type ViewportName = 'desktop' | 'mobile' | 'tablet' | 'component';
export type ViewportSize = {
    width: number;
    height: number;
};
export declare function resolveViewport(viewport: string, viewportSize?: ViewportSize | undefined): ViewportSize;
export declare function createBrowserContext(browser: Browser, viewport: string, viewportSize?: ViewportSize | undefined): Promise<BrowserContext>;