/**
 * Used to change the appearance of an outline typically provided by a
 * #GtkFrame.
 *
 * Note that many themes do not differentiate the appearance of the
 * various shadow types: Either their is no visible shadow
 * (`GTK_SHADOW_NONE)`, or there is (any other value).
 */
declare enum ShadowType {
    NONE = 0,
    IN = 1,
    OUT = 2,
    ETCHED_IN = 3,
    ETCHED_OUT = 4
}
export default ShadowType;