Function napi_sys::napi_add_finalizer

pub unsafe extern "C" fn napi_add_finalizer(
    env: napi_env,
    js_object: napi_value,
    native_object: *mut c_void,
    finalize_cb: napi_finalize,
    finalize_hint: *mut c_void,
    result: *mut napi_ref
) -> napi_status