public static void addConflictDescriptions(UsageInfo[] usages, MultiMap<PsiElement, @DialogMessage String> conflicts) {
    for (UsageInfo usage : usages) {
      if (usage instanceof UnresolvableCollisionUsageInfo) {
        conflicts.putValue(usage.getElement(), ((UnresolvableCollisionUsageInfo)usage).getDescription());
      }
    }
  }
public static void addConflictDescriptions(UsageInfo[] usages, MultiMap<PsiElement, @DialogMessage String> conflicts)