/**
 * Present when the menu is open.
 */
export declare const open = "data-open";
/**
 * Present when the menu is closed.
 */
export declare const closed = "data-closed";
/**
 * Present when the menu begins animating in.
 */
export declare const startingStyle = "data-starting-style";
/**
 * Present when the menu is animating out.
 */
export declare const endingStyle = "data-ending-style";
/**
 * Indicates which side the popup is positioned relative to the anchor.
 * @type {'top' | 'bottom' | 'left' | 'right' | 'inline-end' | 'inline-start'}
 */
export declare const side = "data-side";
/**
 * Indicates how the popup is aligned relative to specified side.
 * @type {'start' | 'center' | 'end'}
 */
export declare const align = "data-align";
/**
 * Present if animations should be instant.
 * @type {'click' | 'dismiss' | 'group' | 'trigger-change'}
 */
export declare const instant = "data-instant";