@Override
  public void unlock(@NotNull File file, boolean force, @Nullable ProgressTracker handler) throws VcsException {
    List<String> parameters = prepareParameters(file, force);

    CommandExecutor command = execute(myVcs, Target.on(file), SvnCommandName.unlock, parameters, null);
    handleCommandCompletion(command, file, EventAction.UNLOCKED, EventAction.UNLOCK_FAILED, handler);
  }
@Override
  public void unlock(@NotNull File file, boolean force, @Nullable ProgressTracker handler)