@Override
    protected void createTrees(Map<? super String, ? super JTree> type2TreeMap) {
        ActionGroup group = (ActionGroup) ActionManager.getInstance().getAction(IdeActions.GROUP_CALL_HIERARCHY_POPUP);
        type2TreeMap.put(getCallerType(), createHierarchyTree(group));
        type2TreeMap.put(getCalleeType(), createHierarchyTree(group));
    }
A browser for the "Call Hierarchy" window.

@author Shahar Ariel
integration/intellij/src/main/java/ai/vespa/intellij/schema/hierarchy/SdCallHierarchyBrowser.java