/**
 * Lightweight HTTP utility for fetching server-rendered HTML fragments
 * and handling common concerns like CSRF tokens and response parsing.
 */
declare class DprHtmlClient {
    /**
     * Fetches an HTML fragment from the server and parses it into a DocumentFragment.
     * Returns null if the response indicates no content change (204).
     *
     * @static
     * @param {string} url
     * @param {string} [csrfToken]
     * @return {*}  {(Promise<DocumentFragment | null>)}
     * @memberof DprHtmlClient
     */
    static fetchFragment(url: string, csrfToken?: string): Promise<DocumentFragment | null>;
    /**
     * Extracts the CSRF token from a DOM element's dataset.
     * Throws an error if the token is not present.
     *
     * @static
     * @param {HTMLElement} element
     * @return {*}  {string}
     * @memberof DprHtmlClient
     */
    static getCsrfToken(element: HTMLElement): string;
}
export default DprHtmlClient;