impl_holder.held = new BroadcasterInterface(new bindings.LDKBroadcasterInterface() {
@Override public void broadcast_transaction(byte[] tx) {
arg.broadcast_transaction(tx);
impl_holder.held = new BroadcasterInterface(new bindings.LDKBroadcasterInterface() {
@Override public void broadcast_transaction(byte[] tx) {
arg.broadcast_transaction(tx);