pub unsafe extern "C" fn gsk_radial_gradient_node_new(
bounds: *const graphene_rect_t,
center: *const graphene_point_t,
hradius: c_float,
vradius: c_float,
start: c_float,
end: c_float,
color_stops: *const GskColorStop,
n_color_stops: size_t,
) -> *mut GskRadialGradientNode