#[unsafe(no_mangle)]pub extern "system" fn Java_com_stateset_embedded_Carts_nativeAddItem<'local>(
env: JNIEnv<'local>,
_class: JClass<'local>,
ptr: jlong,
cart_id: JString<'local>,
sku: JString<'local>,
name: JString<'local>,
quantity: jint,
unit_price: jdouble,
) -> JObject<'local>