private static extern void set_callbacks(
delegate_V v,
delegate_Vi vi,
delegate_Vf vf,
delegate_Vs vs,
delegate_Vv3 vv3,
delegate_Vs vv3json,
delegate_Vx vx,
delegate_Vs vxjson,
delegate_I i,
delegate_F f,
delegate_S s
);
private static extern void set_callbacks( delegate_V v, delegate_Vi vi, delegate_Vf vf, delegate_Vs vs, delegate_Vv3 vv3, delegate_Vs vv3json, delegate_Vx vx, delegate_Vs vxjson, delegate_I i, delegate_F f, delegate_S s );