pub unsafe extern "C" fn gsk_rounded_rect_init(
    self_: *mut GskRoundedRect,
    bounds: *const graphene_rect_t,
    top_left: *const graphene_size_t,
    top_right: *const graphene_size_t,
    bottom_right: *const graphene_size_t,
    bottom_left: *const graphene_size_t
) -> *mut GskRoundedRect