code: private void completeExtensionInitiations(TransactionBroadcaster transactionBroadcaster) {
          StoredPaymentChannelClientStates clientStoredChannels = (StoredPaymentChannelClientStates)
                  vWallet.getExtensions().get(StoredPaymentChannelClientStates.class.getName());
          if(clientStoredChannels != null) {
              clientStoredChannels.setTransactionBroadcaster(transactionBroadcaster);
          }
          StoredPaymentChannelServerStates serverStoredChannels = (StoredPaymentChannelServerStates)
                  vWallet.getExtensions().get(StoredPaymentChannelServerStates.class.getName());
          if(serverStoredChannels != null) {
              serverStoredChannels.setTransactionBroadcaster(transactionBroadcaster);
          }
      }
docs: /*
  As soon as the transaction broadcaster han been created we will pass it to the
  payment channel extensions