interface ResponseError extends Error {
    response?: Response;
}
export type { ResponseError };
/**
 * Ajax helper (use Promise instead of callbacks)
 * with help from: https://eckertalex.dev/blog/typescript-fetch-wrapper
 * "trust-the-server" typing
 */
declare class AjaxP {
    ajax_<T>(url: string, opts: RequestInit, handleResponseJson?: boolean): Promise<T>;
    toQueryString(obj?: Record<string, string>): string;
    buildFullUrl(url: string, data?: Record<string, string>): string;
    getJSON<T>(url: string, data?: Record<string, string>, opts?: RequestInit): Promise<T>;
    postJSON<T, U>(url: string, data: T, additionalHeaders?: Record<string, string>): Promise<U>;
    putJSON<T, U>(url: string, data: T, additionalHeaders?: Record<string, string>): Promise<U>;
    deleteRequest<T>(url: string, additionalHeaders: Record<string, string>): Promise<T>;
}
declare const ajaxP: AjaxP;
export default ajaxP;