55         public static TValue get<TKey, TValue>(IDictionary<TKey, TValue> map, TKey key) {  in get()
56             TValue value;  in get()
60             if (typeof(TValue).IsValueType)  in get()
63             return default(TValue);  in get()
67         public static TValue get<TKey, TValue>(Dictionary<TKey, TValue> map, TKey key) {  in get()
68             TValue value;  in get()
72             if (typeof(TValue).IsValueType)  in get()
75             return default(TValue);  in get()
78         public static TValue get<TKey, TValue>(SortedList<TKey, TValue> map, TKey key) {  in get()
79             TValue value;  in get()
83             if (typeof(TValue).IsValueType)  in get()
86             return default(TValue);  in get()
96 …      public static void put<TKey, TValue>(IDictionary<TKey, TValue> map, TKey key, TValue value) {  in put()
101         public static void put<TKey, TValue>(Dictionary<TKey, TValue> map, TKey key, TValue value) {  in put()
111         public static HashSet<TKey> keySet<TKey, TValue>(IDictionary<TKey, TValue> map) {  in keySet()
117         public static HashSet<TKey> keySet<TKey, TValue>(Dictionary<TKey, TValue> map) {  in keySet()
122         public static HashSet<object> keySet<TKey, TValue>(SortedList<TKey, TValue> map) {  in keySet()