type DeepPartial<T> = T extends object ? {
    [P in keyof T]?: DeepPartial<T[P]>;
} : T;
export interface Config {
    swup: {
        animationSelector: string;
        containers: string[];
    };
    validate: {
        url: string;
        crawl: boolean;
        sitemap: string;
        limit: number;
        tests: string[];
        parallel: boolean;
        styles: string[];
    };
}
export declare const defaults: Config;
export declare function loadConfig(overrides?: DeepPartial<Config>): Promise<Config>;
export declare function mergeConfig<T extends object>(destination: T, source: DeepPartial<T>): T;
export {};