/**
 * Title:           GRIDS Basic Page Script
 * Description:     Page Script for /grids-basic.html
 * Author:          Peter Harpending <peterharpending@qpq.swiss>
 * Date:            2025-12-29
 * Last-Updated:    2025-12-29
 *
 * @module
 */
/**
 * Runs on page load
 */
declare function main(): Promise<void>;
declare function on_submit(n_input: HTMLInputElement, r_input: HTMLInputElement, a_input: HTMLInputElement, p_input: HTMLInputElement, grids_url_elt: HTMLTextAreaElement, grids_png_elt: HTMLImageElement): Promise<void>;
type Safe<t> = {
    ok: true;
    result: t;
} | {
    ok: false;
    error: string;
};
type GridsResult = {
    url: string;
    png_base64: string;
};
/**
 * gets the grids url
 */
declare function grids_request(net_id: string, recipient: string, amount: number, payload: string): Promise<Safe<GridsResult>>;