@ApiStatus.Internal
  public void registerChangeTracker(@NotNull FilePath filePath, @NotNull ChangeListWorker.PartialChangeTracker tracker) {
    synchronized (myDataLock) {
      myWorker.registerChangeTracker(filePath, tracker);
    }
  }
@ApiStatus.Internal
  public void registerChangeTracker(@NotNull FilePath filePath, @NotNull ChangeListWorker.PartialChangeTracker tracker)