public Dictionary <TKey, TSource[]> GroupToArrayDictionaryTest <TKey, TSource>(IEnumerable <TSource> source, Func <TSource, TKey> keySelector) { Dictionary <TKey, TSource[]> result = EnumerableExtension.GroupToArrayDictionary <TKey, TSource>(source, keySelector); return(result); // TODO: add assertions to method EnumerableExtensionTest.GroupToArrayDictionaryTest(IEnumerable`1<!!1>, Func`2<!!1,!!0>) }