/**
 * Present when the collapsible is open.
 */
export declare const open = "data-open";
/**
 * Present when the collapsible is closed.
 */
export declare const closed = "data-closed";
/**
 * Present when the collapsible begins animating in.
 */
export declare const startingStyle = "data-starting-style";
/**
 * Present when the collapsible is animating out.
 */
export declare const endingStyle = "data-ending-style";