PullUpHelper<MemberInfo> (Language language) { PullUpHelper<MemberInfo> helper = myProcessors.get(language); if (helper == null) { PullUpHelperFactory helperFactory = PullUpHelper.INSTANCE.forLanguage(language); if (helperFactory == null) { return null; } helper = helperFactory.createPullUpHelper(this); myProcessors.put(language, helper); } return helper; }