2 // Protocol Buffers - Google's data interchange format
4 // https://developers.google.com/protocol-buffers/
6 // Redistribution and use in source and binary forms, with or without
12 //     * Redistributions in binary form must reproduce the above
41 … /// Provides extensions to messages while parsing. This API is experimental and subject to change.
58         private IDictionary<ObjectIntPair<Type>, Extension> extensions;  field in Google.Protobuf.ExtensionRegistry
65             extensions = new Dictionary<ObjectIntPair<Type>, Extension>();  in ExtensionRegistry()
70             extensions = collection.ToDictionary(k => k.Key, v => v.Value);  in ExtensionRegistry()
74         /// Gets the total number of extensions in this extension registry
76         public int Count => extensions.Count;
85 …return extensions.TryGetValue(new ObjectIntPair<Type>(target, WireFormat.GetTagFieldNumber(lastTag…  in ContainsInputField()
95 …   extensions.Add(new ObjectIntPair<Type>(extension.TargetType, extension.FieldNumber), extension);  in Add()
99         /// Adds the specified extensions to the registry
101         public void AddRange(IEnumerable<Extension> extensions)  in AddRange()  argument
103             ProtoPreconditions.CheckNotNull(extensions, nameof(extensions));  in AddRange()
105             foreach (var extension in extensions)  in AddRange()
116             extensions.Clear();  in Clear()
126 …         return extensions.ContainsKey(new ObjectIntPair<Type>(item.TargetType, item.FieldNumber));  in Contains()
141             if (array.Length - arrayIndex < Count)  in CopyTo()
149 …   extensions.Add(new ObjectIntPair<Type>(extension.TargetType, extension.FieldNumber), extension);  in CopyTo()
156         /// <returns>Returns an enumerator for the extensions in this registry</returns>
159             return extensions.Values.GetEnumerator();  in GetEnumerator()
171             return extensions.Remove(new ObjectIntPair<Type>(item.TargetType, item.FieldNumber));  in Remove()
181             return new ExtensionRegistry(extensions);  in Clone()