Function Java_dev_yog_NativeBridge_nativeContent 

#[unsafe(no_mangle)]
pub extern "system" fn Java_dev_yog_NativeBridge_nativeContent<'l>(
    env: JNIEnv<'l>,
    _class: JClass<'l>,
) -> jbyteArray

Everything the host registers as one Yog Data blob (see content_blob), built on the first call and kept.