void (@NotNull Map<? super @Nls String, ? super JTree> type2TreeMap) { ActionGroup group = (ActionGroup)ActionManager.getInstance().getAction(IdeActions.GROUP_CALL_HIERARCHY_POPUP); JTree callerTree = createHierarchyTree(group); JTree calleeTree = createHierarchyTree(group); type2TreeMap.put(getCallerType(), callerTree); type2TreeMap.put(getCalleeType(), calleeTree); }