public List<FlowGraphViewData> getFlowGraphViewsData() {
    final ArrayList<FlowGraphViewData> flowGraphViews = new ArrayList<>();

    for (final ViewData viewData : views) {
      if (viewData instanceof FlowGraphViewData) {
        flowGraphViews.add((FlowGraphViewData) viewData);
      }
    }
    return flowGraphViews;
  }
Contains view data for each opened view of a Diff object.
java/ui/src/main/java/com/google/security/zynamics/bindiff/project/userview/ViewManager.java