export {};
declare global {
    const buttons: {
        [id: string]: {
            value: any;
            fn: Function;
            place: "top" | "bottom";
        };
    };
    function add_top_button(id: string, text: string, fn: () => unknown): void;
    function add_bottom_button(id: string, text: string, fn: () => unknown): void;
    function set_button_value(id: string, text: string): void;
    function clear_buttons(): void;
}