public void logNumberOfWalletBusyListeners(){
  log.debug("There are " + walletBusyListeners.size() + " walletBusyListeners.");
}

public void logNumberOfWalletBusyListeners ( ) { log . debug ( "There are " + walletBusyListeners . size ( ) + " walletBusyListeners." ) ; }
log the number of wallet busy listeners
