export interface FocusTrapOptions {
    /**
     * Перемещает фокус на первый или автофокусируемый элемент внутри ловушки.
     *
     * @default true
     */
    autoFocus?: boolean;
}
export interface FocusTrapInstance {
    /**
     * Возвращает HTMLElement фокусируемой области.
     */
    getScope(): HTMLElement;
    /**
     * Возвращает параметры для ловушки фокуса.
     */
    getOptions(): FocusTrapOptions;
}
export declare class FocusTrapManager {
    private static manager;
    static getInstance(): FocusTrapManager;
    private instances;
    private direction;
    private lastActiveElement;
    private raf?;
    private constructor();
    activate(instance: FocusTrapInstance): void;
    deactivate(instance: FocusTrapInstance): void;
    private autoFocus;
    private focusScope;
    private checkFocusInCurrentScope;
    private preventLastFocusIn;
    private checkFocusIn;
    private attachEvents;
    private detachEvents;
    private onDocumentFocusIn;
    private onDocumentKeyDown;
    private onMouseDown;
}