/**
 * Present when the scroll arrow begins animating in.
 */
export declare const startingStyle = "data-starting-style";
/**
 * Present when the scroll arrow is animating out.
 */
export declare const endingStyle = "data-ending-style";
/**
 * Indicates the direction of the scroll arrow.
 * @type {'down'}
 */
export declare const direction = "data-direction";
/**
 * Present when the scroll arrow is visible.
 */
export declare const visible = "data-visible";
/**
 * Indicates which side the popup is positioned relative to the trigger.
 * @type {'none' | 'top' | 'bottom' | 'left' | 'right' | 'inline-end' | 'inline-start'}
 */
export declare const side = "data-side";