import { Theme, CSSObject } from '@mui/material';
/**
 * BoxShadow style used by the Focus Ring
 *  boxShadow: theme => getFocusRingBoxShadow(theme);
 *
 * @param theme - @mui theme
 * @param inset - put box shadow inside
 */
declare const getFocusRingBoxShadow: (theme: Theme, inset?: boolean) => string;
/**
 * Style for interactive elements that should have blue & white ring around them once focused
 *
 * @param theme - @mui theme
 * @param smooth - controls smooth appearance of focusRing
 * @param border - component border to correctly place focusRing, can be used as string to directly manipulate inset
 * @param focusSelector - focus visible selector
 */
declare const getFocusRingStyle: (theme: Theme, smooth?: boolean, border?: number | string, focusSelector?: string) => CSSObject;
/**
 * Any element applying border have to adjust position of ring to keep 2px space around element
 *
 * @param border - component border to correctly place focusRing, can be used as string to directly manipulate inset
 * @param smooth - controls smooth appearance of focusRing
 * @param focusSelector - focus visible selector
 */
declare const updateFocusRingStyle: (border?: number | string, smooth?: boolean, focusSelector?: string) => CSSObject;
export { getFocusRingBoxShadow, getFocusRingStyle, updateFocusRingStyle };