/**
 * Utils for HTTP request.
 */
export declare class Http {
    /**
     * Set the base url of the assets.
     */
    static baseUrl: string;
    /**
     * Get the absolute url of a relative url.
     * @param clipAssetPath The relative path of the asset.
     * @returns Full url of the asset.
     */
    static getUrl(clipAssetPath: string): string;
    /**
     * Send a Fetch request.
     * @param input The url or Request object to fetch.
     * @param init The RequestInit object to modify the request.
     * @returns The Fetch API Response object.
     */
    static fetch(input: RequestInfo, init?: RequestInit): Promise<Response>;
}