export declare function getFocusable(container: HTMLElement): HTMLElement[];
/**
 * Confines Tab/Shift+Tab navigation within a container. Layout-agnostic so it
 * also works under jsdom (no visibility checks).
 */
export declare class FocusTrap {
    private readonly container;
    private active;
    constructor(container: HTMLElement);
    private readonly onKeydown;
    activate(): void;
    deactivate(): void;
}