public synchronized void sessionStarted(@NotNull PyFrameAccessor frameAccessor) {
    if (myAsyncValuesExecutorService == null) {
      myAsyncValuesExecutorService =
        Executors.newFixedThreadPool(PyDebugValue.AVAILABLE_PROCESSORS, ConcurrencyUtil.newNamedThreadFactory("PyDebug Async Executor"));
    }
    if (!myFrameAccessors.contains(frameAccessor)) {
      myFrameAccessors.add(frameAccessor);
      mySubmittedTasks.add(new ArrayList<>());
    }
  }
public synchronized void sessionStarted(@NotNull PyFrameAccessor frameAccessor)