import type { TFocusableFilter } from './types';
/**
 * Returns all focusable HTMLElements within the container, optionally filtered.
 *
 * Focusables that belong to a nested top-layer scope (a `[popover]` or
 * `<dialog>` descendant of the container) are excluded - those elements
 * are owned by the inner layer's focus management. The container itself
 * is allowed to be a popover/dialog; only nested ones are filtered.
 */
export declare function getFocusables({ container, filter, }: {
    container: HTMLElement;
    filter?: TFocusableFilter;
}): HTMLElement[];