import * as React from 'react';
import { IRefObject } from '../../Utilities';
export interface IFocusTrapZone {
    /**
     * Sets focus to a descendant in the Trap Zone.
     * See firstFocusableSelector and focusPreviouslyFocusedInnerElement for details.
     */
    focus: () => void;
}
export interface IFocusTrapZoneProps extends React.HTMLAttributes<HTMLDivElement> {
    /**
     * Optional callback to access the IFocusTrapZone interface. Use this instead of ref for accessing
     * the public methods and properties of the component.
     */
    componentRef?: IRefObject<IFocusTrapZone>;
    /**
     * Sets the HTMLElement to focus on when exiting the FocusTrapZone.
     * @default The element.target that triggered the FTZ.
     */
    elementToFocusOnDismiss?: HTMLElement;
    /**
     * Sets the aria-labelledby attribute.
     */
    ariaLabelledBy?: string;
    /**
     * Indicates if this Trap Zone will allow clicks outside the FocusTrapZone
     * @default false
     */
    isClickableOutsideFocusTrap?: boolean;
    /**
     * Indicates if this Trap Zone will ignore keeping track of HTMLElement that activated the Zone.
     * @default false
     */
    ignoreExternalFocusing?: boolean;
    /**
     * Indicates whether focus trap zone should force focus inside the focus trap zone
     * @default true
     */
    forceFocusInsideTrap?: boolean;
    /**
     * Indicates the selector for first focusable item.  Only applies if focusPreviouslyFocusedInnerElement == false.
     */
    firstFocusableSelector?: string | (() => string);
    /**
     * Do not put focus onto first element when render focus trap zone
     * @default false
     */
    disableFirstFocus?: boolean;
    /**
     * Specifies the algorithm used to determine which descendant element to focus when focus() is called.
     * If false, the first focusable descendant, filtered by the firstFocusableSelector property if present, is chosen.
     * If true, the element that was focused when the Trap Zone last had a focused descendant is chosen.
     * If it has never had a focused descendant before, behavior falls back to the first focused descendant.
     * @default false
     */
    focusPreviouslyFocusedInnerElement?: boolean;
}