/** Whether the element can be focused. */
export declare function isFocusable(element: HTMLElement): boolean;
/** Get all elements that can be focused, either programmatically or by the user. */
export declare function getAllFocusables(container: HTMLElement): HTMLElement[];
export declare function getFirstFocusable(container: HTMLElement): HTMLElement | null;
export declare function getLastFocusable(container: HTMLElement): HTMLElement | null;
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