import { Device } from './lib/devices';
import { Screen } from './lib/screen';
export declare type ColorMode = 'light' | 'dark' | 'both';
export interface FreezeConfig {
    /**
     * Url to your web application e.g. localhost:4200
     */
    baseUrl: string;
    /**
     * Output directory for all screenshots.
     */
    output: string;
    devices: Device[];
    screens: Screen[];
    /**
     * Applies `prefers-color-scheme` media features to the page.
     * Defaults to `light`.
     */
    colorMode?: ColorMode;
}
export declare function defineConfig(config: FreezeConfig): FreezeConfig;