Function Java_com_stateset_embedded_Customers_nativeCreate 

#[unsafe(no_mangle)]
pub extern "system" fn Java_com_stateset_embedded_Customers_nativeCreate<'local>(
    env: JNIEnv<'local>,
    _class: JClass<'local>,
    ptr: jlong,
    email: JString<'local>,
    first_name: JString<'local>,
    last_name: JString<'local>,
) -> JObject<'local>