$key    Name of data point for which we're storing a value.
 *                       Accepts 'conditional', 'rtl' and 'suffix', 'alt', 'title' and 'path'.
 * @param mixed  $value  String containing the CSS data to be added.
 * @return bool True on success, false on failure.
 */
function wp_style_add_data( $handle, $key, $value ) {
	return wp_styles()->add_data( $handle, $key, $value );
}