private void finishVoidOperation(final String operationName, final Object message,
final Class<?> expectedResponseClass, final boolean propagateException,
final SettableFuture<Void> returnFuture) {
private void finishVoidOperation(final String operationName, final Object message,
final Class<?> expectedResponseClass, final boolean propagateException,
final SettableFuture<Void> returnFuture) {