/**
     * Clears any saved state associated with [route] that was previously saved
     * via [popBackStack] when using a `saveState` value of `true`.
     *
     * @param route The route of the destination previously used with [popBackStack] with a
     * `saveState` value of `true`
     *
     * @return true if the saved state of the stack associated with [route] was cleared.
     */
    @MainThread
    public fun clearBackStack(
        route: String
    ): Boolean = clearBackStack(createRoute(route).hashCode())