/**
 * Indicates the index of the accordion item.
 * @type {number}
 */
export declare const index = "data-index";
/**
 * Present when the accordion panel is open.
 */
export declare const open = "data-open";
/**
 * Indicates the orientation of the accordion.
 */
export declare const orientation = "data-orientation";
/**
 * Present when the accordion item is disabled.
 */
export declare const disabled = "data-disabled";
/**
 * Present when the panel begins animating in.
 */
export declare const startingStyle = "data-starting-style";
/**
 * Present when the panel is animating out.
 */
export declare const endingStyle = "data-ending-style";