public MergeInfoHolder(
     @NotNull Project project,
     @NotNull DecoratorManager manager,
     @NotNull RootsAndBranches mainPanel,
     @NotNull SvnMergeInfoRootPanelManual panel) {
   myManager = manager;
   myMainPanel = mainPanel;
   myPanel = panel;
   myMergeInfoCache = SvnMergeInfoCache.getInstance(project);
   myCachedMap = ContainerUtil.newHashMap();
 }