203 class ImmutableMapRef {
223   ImmutableMapRef(const TreeTy *R, FactoryTy *F)  in ImmutableMapRef()  function
226   ImmutableMapRef(const ImmutableMap<KeyT, ValT> &X,  in ImmutableMapRef()  function
230   static inline ImmutableMapRef getEmptyMap(FactoryTy *F) {  in getEmptyMap()
231     return ImmutableMapRef(nullptr, F);  in getEmptyMap()
242   ImmutableMapRef add(key_type_ref K, data_type_ref D) const {  in add()
245     return ImmutableMapRef(NewT, Factory);  in add()
248   ImmutableMapRef remove(key_type_ref K) const {  in remove()
250     return ImmutableMapRef(NewT, Factory);  in remove()
261   bool operator==(const ImmutableMapRef &RHS) const {
265   bool operator!=(const ImmutableMapRef &RHS) const {
285   class iterator : public ImutAVLValueIterator<ImmutableMapRef> {
286     friend class ImmutableMapRef;  variable
321   static inline void Profile(FoldingSetNodeID &ID, const ImmutableMapRef &M) {  in Profile()