48         private readonly IDictionary<DescriptorIntPair, FieldDescriptor> fieldsByNumber =
49             new Dictionary<DescriptorIntPair, FieldDescriptor>();
51         private readonly IDictionary<DescriptorIntPair, EnumValueDescriptor> enumValuesByNumber =
52             new Dictionary<DescriptorIntPair, EnumValueDescriptor>();
212             fieldsByNumber.TryGetValue(new DescriptorIntPair(messageDescriptor, number), out ret);  in FindFieldByNumber()
219             enumValuesByNumber.TryGetValue(new DescriptorIntPair(enumDescriptor, number), out ret);  in FindEnumValueByNumber()
230             DescriptorIntPair key = new DescriptorIntPair(field.ContainingType, field.FieldNumber);  in AddFieldByNumber()
249 …         DescriptorIntPair key = new DescriptorIntPair(enumValue.EnumDescriptor, enumValue.Number);  in AddEnumValueByNumber()
336         private struct DescriptorIntPair : IEquatable<DescriptorIntPair>  struct in Google.Protobuf.Reflection.DescriptorPool
341             internal DescriptorIntPair(IDescriptor descriptor, int number)  in DescriptorIntPair()  method
347             public bool Equals(DescriptorIntPair other)  in Equals()  argument
355                 if (obj is DescriptorIntPair)  in Equals()
357                     return Equals((DescriptorIntPair) obj);  in Equals()