@Nullable
  public static LinearGraphAnswer performAction(@NotNull CollapsedController graphController, @NotNull LinearGraphAction action) {
    ActionContext context = new ActionContext(graphController.getCollapsedGraph(), graphController.getPermanentGraphInfo(), action);

    for (ActionCase actionCase : FILTER_ACTION_CASES) {
      if (actionCase.supportedActionTypes().contains(context.getActionType())) {
        LinearGraphAnswer graphAnswer = actionCase.performAction(context);
        if (graphAnswer != null) return graphAnswer;
      }
    }
    return null;
  }
@Nullable
  public static LinearGraphAnswer performAction(@NotNull CollapsedController graphController, @NotNull LinearGraphAction action)