private static UsageFilteringRule[] getActiveFilteringRules(final Project project) { final UsageFilteringRuleProvider[] providers = Extensions.getExtensions(UsageFilteringRuleProvider.EP_NAME); List<UsageFilteringRule> list = new ArrayList<UsageFilteringRule>(providers.length); for (UsageFilteringRuleProvider provider : providers) { ContainerUtil.addAll(list, provider.getActiveRules(project)); } return list.toArray(new UsageFilteringRule[list.size()]); }