diff --git a/csharp/src/AddressBook/Addressbook.cs b/csharp/src/AddressBook/Addressbook.cs
index 166dd49..21a8ce0 100644
--- a/csharp/src/AddressBook/Addressbook.cs
+++ b/csharp/src/AddressBook/Addressbook.cs
@@ -1,5 +1,7 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: addressbook.proto
+// <auto-generated>
+//     Generated by the protocol buffer compiler.  DO NOT EDIT!
+//     source: addressbook.proto
+// </auto-generated>
 #pragma warning disable 1591, 0612, 3021
 #region Designer generated code
 
@@ -10,7 +12,6 @@
 namespace Google.Protobuf.Examples.AddressBook {
 
   /// <summary>Holder for reflection information generated from addressbook.proto</summary>
-  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public static partial class AddressbookReflection {
 
     #region Descriptor
@@ -23,19 +24,21 @@
     static AddressbookReflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "ChFhZGRyZXNzYm9vay5wcm90bxIIdHV0b3JpYWwi1QEKBlBlcnNvbhIMCgRu",
-            "YW1lGAEgASgJEgoKAmlkGAIgASgFEg0KBWVtYWlsGAMgASgJEiwKBnBob25l",
-            "cxgEIAMoCzIcLnR1dG9yaWFsLlBlcnNvbi5QaG9uZU51bWJlchpHCgtQaG9u",
-            "ZU51bWJlchIOCgZudW1iZXIYASABKAkSKAoEdHlwZRgCIAEoDjIaLnR1dG9y",
-            "aWFsLlBlcnNvbi5QaG9uZVR5cGUiKwoJUGhvbmVUeXBlEgoKBk1PQklMRRAA",
-            "EggKBEhPTUUQARIICgRXT1JLEAIiLwoLQWRkcmVzc0Jvb2sSIAoGcGVvcGxl",
-            "GAEgAygLMhAudHV0b3JpYWwuUGVyc29uQlAKFGNvbS5leGFtcGxlLnR1dG9y",
-            "aWFsQhFBZGRyZXNzQm9va1Byb3Rvc6oCJEdvb2dsZS5Qcm90b2J1Zi5FeGFt",
-            "cGxlcy5BZGRyZXNzQm9va2IGcHJvdG8z"));
+            "ChFhZGRyZXNzYm9vay5wcm90bxIIdHV0b3JpYWwaH2dvb2dsZS9wcm90b2J1",
+            "Zi90aW1lc3RhbXAucHJvdG8ihwIKBlBlcnNvbhIMCgRuYW1lGAEgASgJEgoK",
+            "AmlkGAIgASgFEg0KBWVtYWlsGAMgASgJEiwKBnBob25lcxgEIAMoCzIcLnR1",
+            "dG9yaWFsLlBlcnNvbi5QaG9uZU51bWJlchIwCgxsYXN0X3VwZGF0ZWQYBSAB",
+            "KAsyGi5nb29nbGUucHJvdG9idWYuVGltZXN0YW1wGkcKC1Bob25lTnVtYmVy",
+            "Eg4KBm51bWJlchgBIAEoCRIoCgR0eXBlGAIgASgOMhoudHV0b3JpYWwuUGVy",
+            "c29uLlBob25lVHlwZSIrCglQaG9uZVR5cGUSCgoGTU9CSUxFEAASCAoESE9N",
+            "RRABEggKBFdPUksQAiIvCgtBZGRyZXNzQm9vaxIgCgZwZW9wbGUYASADKAsy",
+            "EC50dXRvcmlhbC5QZXJzb25CUAoUY29tLmV4YW1wbGUudHV0b3JpYWxCEUFk",
+            "ZHJlc3NCb29rUHJvdG9zqgIkR29vZ2xlLlByb3RvYnVmLkV4YW1wbGVzLkFk",
+            "ZHJlc3NCb29rYgZwcm90bzM="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
-          new pbr::FileDescriptor[] { },
+          new pbr::FileDescriptor[] { global::Google.Protobuf.WellKnownTypes.TimestampReflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(null, new pbr::GeneratedClrTypeInfo[] {
-            new pbr::GeneratedClrTypeInfo(typeof(global::Google.Protobuf.Examples.AddressBook.Person), global::Google.Protobuf.Examples.AddressBook.Person.Parser, new[]{ "Name", "Id", "Email", "Phones" }, null, new[]{ typeof(global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType) }, new pbr::GeneratedClrTypeInfo[] { new pbr::GeneratedClrTypeInfo(typeof(global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber), global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber.Parser, new[]{ "Number", "Type" }, null, null, null)}),
+            new pbr::GeneratedClrTypeInfo(typeof(global::Google.Protobuf.Examples.AddressBook.Person), global::Google.Protobuf.Examples.AddressBook.Person.Parser, new[]{ "Name", "Id", "Email", "Phones", "LastUpdated" }, null, new[]{ typeof(global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType) }, new pbr::GeneratedClrTypeInfo[] { new pbr::GeneratedClrTypeInfo(typeof(global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber), global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber.Parser, new[]{ "Number", "Type" }, null, null, null)}),
             new pbr::GeneratedClrTypeInfo(typeof(global::Google.Protobuf.Examples.AddressBook.AddressBook), global::Google.Protobuf.Examples.AddressBook.AddressBook.Parser, new[]{ "People" }, null, null, null)
           }));
     }
@@ -44,34 +47,42 @@
   }
   #region Messages
   /// <summary>
-  ///  [START messages]
+  /// [START messages]
   /// </summary>
-  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class Person : pb::IMessage<Person> {
     private static readonly pb::MessageParser<Person> _parser = new pb::MessageParser<Person>(() => new Person());
+    private pb::UnknownFieldSet _unknownFields;
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public static pb::MessageParser<Person> Parser { get { return _parser; } }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public static pbr::MessageDescriptor Descriptor {
       get { return global::Google.Protobuf.Examples.AddressBook.AddressbookReflection.Descriptor.MessageTypes[0]; }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public Person() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public Person(Person other) : this() {
       name_ = other.name_;
       id_ = other.id_;
       email_ = other.email_;
       phones_ = other.phones_.Clone();
+      lastUpdated_ = other.lastUpdated_ != null ? other.lastUpdated_.Clone() : null;
+      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public Person Clone() {
       return new Person(this);
     }
@@ -79,6 +90,7 @@
     /// <summary>Field number for the "name" field.</summary>
     public const int NameFieldNumber = 1;
     private string name_ = "";
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public string Name {
       get { return name_; }
       set {
@@ -90,8 +102,9 @@
     public const int IdFieldNumber = 2;
     private int id_;
     /// <summary>
-    ///  Unique ID number for this person.
+    /// Unique ID number for this person.
     /// </summary>
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public int Id {
       get { return id_; }
       set {
@@ -102,6 +115,7 @@
     /// <summary>Field number for the "email" field.</summary>
     public const int EmailFieldNumber = 3;
     private string email_ = "";
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public string Email {
       get { return email_; }
       set {
@@ -114,14 +128,28 @@
     private static readonly pb::FieldCodec<global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber> _repeated_phones_codec
         = pb::FieldCodec.ForMessage(34, global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber.Parser);
     private readonly pbc::RepeatedField<global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber> phones_ = new pbc::RepeatedField<global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber>();
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public pbc::RepeatedField<global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneNumber> Phones {
       get { return phones_; }
     }
 
+    /// <summary>Field number for the "last_updated" field.</summary>
+    public const int LastUpdatedFieldNumber = 5;
+    private global::Google.Protobuf.WellKnownTypes.Timestamp lastUpdated_;
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
+    public global::Google.Protobuf.WellKnownTypes.Timestamp LastUpdated {
+      get { return lastUpdated_; }
+      set {
+        lastUpdated_ = value;
+      }
+    }
+
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public override bool Equals(object other) {
       return Equals(other as Person);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public bool Equals(Person other) {
       if (ReferenceEquals(other, null)) {
         return false;
@@ -133,22 +161,30 @@
       if (Id != other.Id) return false;
       if (Email != other.Email) return false;
       if(!phones_.Equals(other.phones_)) return false;
-      return true;
+      if (!object.Equals(LastUpdated, other.LastUpdated)) return false;
+      return Equals(_unknownFields, other._unknownFields);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public override int GetHashCode() {
       int hash = 1;
       if (Name.Length != 0) hash ^= Name.GetHashCode();
       if (Id != 0) hash ^= Id.GetHashCode();
       if (Email.Length != 0) hash ^= Email.GetHashCode();
       hash ^= phones_.GetHashCode();
+      if (lastUpdated_ != null) hash ^= LastUpdated.GetHashCode();
+      if (_unknownFields != null) {
+        hash ^= _unknownFields.GetHashCode();
+      }
       return hash;
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public override string ToString() {
       return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public void WriteTo(pb::CodedOutputStream output) {
       if (Name.Length != 0) {
         output.WriteRawTag(10);
@@ -163,8 +199,16 @@
         output.WriteString(Email);
       }
       phones_.WriteTo(output, _repeated_phones_codec);
+      if (lastUpdated_ != null) {
+        output.WriteRawTag(42);
+        output.WriteMessage(LastUpdated);
+      }
+      if (_unknownFields != null) {
+        _unknownFields.WriteTo(output);
+      }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public int CalculateSize() {
       int size = 0;
       if (Name.Length != 0) {
@@ -177,9 +221,16 @@
         size += 1 + pb::CodedOutputStream.ComputeStringSize(Email);
       }
       size += phones_.CalculateSize(_repeated_phones_codec);
+      if (lastUpdated_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(LastUpdated);
+      }
+      if (_unknownFields != null) {
+        size += _unknownFields.CalculateSize();
+      }
       return size;
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public void MergeFrom(Person other) {
       if (other == null) {
         return;
@@ -194,14 +245,22 @@
         Email = other.Email;
       }
       phones_.Add(other.phones_);
+      if (other.lastUpdated_ != null) {
+        if (lastUpdated_ == null) {
+          lastUpdated_ = new global::Google.Protobuf.WellKnownTypes.Timestamp();
+        }
+        LastUpdated.MergeFrom(other.LastUpdated);
+      }
+      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public void MergeFrom(pb::CodedInputStream input) {
       uint tag;
       while ((tag = input.ReadTag()) != 0) {
         switch(tag) {
           default:
-            input.SkipLastField();
+            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, input);
             break;
           case 10: {
             Name = input.ReadString();
@@ -219,44 +278,58 @@
             phones_.AddEntriesFrom(input, _repeated_phones_codec);
             break;
           }
+          case 42: {
+            if (lastUpdated_ == null) {
+              lastUpdated_ = new global::Google.Protobuf.WellKnownTypes.Timestamp();
+            }
+            input.ReadMessage(lastUpdated_);
+            break;
+          }
         }
       }
     }
 
     #region Nested types
     /// <summary>Container for nested types declared in the Person message type.</summary>
-    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public static partial class Types {
       public enum PhoneType {
-        MOBILE = 0,
-        HOME = 1,
-        WORK = 2,
+        [pbr::OriginalName("MOBILE")] Mobile = 0,
+        [pbr::OriginalName("HOME")] Home = 1,
+        [pbr::OriginalName("WORK")] Work = 2,
       }
 
-      [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
       public sealed partial class PhoneNumber : pb::IMessage<PhoneNumber> {
         private static readonly pb::MessageParser<PhoneNumber> _parser = new pb::MessageParser<PhoneNumber>(() => new PhoneNumber());
+        private pb::UnknownFieldSet _unknownFields;
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public static pb::MessageParser<PhoneNumber> Parser { get { return _parser; } }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public static pbr::MessageDescriptor Descriptor {
           get { return global::Google.Protobuf.Examples.AddressBook.Person.Descriptor.NestedTypes[0]; }
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         pbr::MessageDescriptor pb::IMessage.Descriptor {
           get { return Descriptor; }
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public PhoneNumber() {
           OnConstruction();
         }
 
         partial void OnConstruction();
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public PhoneNumber(PhoneNumber other) : this() {
           number_ = other.number_;
           type_ = other.type_;
+          _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public PhoneNumber Clone() {
           return new PhoneNumber(this);
         }
@@ -264,6 +337,7 @@
         /// <summary>Field number for the "number" field.</summary>
         public const int NumberFieldNumber = 1;
         private string number_ = "";
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public string Number {
           get { return number_; }
           set {
@@ -273,7 +347,8 @@
 
         /// <summary>Field number for the "type" field.</summary>
         public const int TypeFieldNumber = 2;
-        private global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType type_ = global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType.MOBILE;
+        private global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType type_ = 0;
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType Type {
           get { return type_; }
           set {
@@ -281,10 +356,12 @@
           }
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public override bool Equals(object other) {
           return Equals(other as PhoneNumber);
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public bool Equals(PhoneNumber other) {
           if (ReferenceEquals(other, null)) {
             return false;
@@ -294,42 +371,56 @@
           }
           if (Number != other.Number) return false;
           if (Type != other.Type) return false;
-          return true;
+          return Equals(_unknownFields, other._unknownFields);
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public override int GetHashCode() {
           int hash = 1;
           if (Number.Length != 0) hash ^= Number.GetHashCode();
-          if (Type != global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType.MOBILE) hash ^= Type.GetHashCode();
+          if (Type != 0) hash ^= Type.GetHashCode();
+          if (_unknownFields != null) {
+            hash ^= _unknownFields.GetHashCode();
+          }
           return hash;
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public override string ToString() {
           return pb::JsonFormatter.ToDiagnosticString(this);
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public void WriteTo(pb::CodedOutputStream output) {
           if (Number.Length != 0) {
             output.WriteRawTag(10);
             output.WriteString(Number);
           }
-          if (Type != global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType.MOBILE) {
+          if (Type != 0) {
             output.WriteRawTag(16);
             output.WriteEnum((int) Type);
           }
+          if (_unknownFields != null) {
+            _unknownFields.WriteTo(output);
+          }
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public int CalculateSize() {
           int size = 0;
           if (Number.Length != 0) {
             size += 1 + pb::CodedOutputStream.ComputeStringSize(Number);
           }
-          if (Type != global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType.MOBILE) {
+          if (Type != 0) {
             size += 1 + pb::CodedOutputStream.ComputeEnumSize((int) Type);
           }
+          if (_unknownFields != null) {
+            size += _unknownFields.CalculateSize();
+          }
           return size;
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public void MergeFrom(PhoneNumber other) {
           if (other == null) {
             return;
@@ -337,17 +428,19 @@
           if (other.Number.Length != 0) {
             Number = other.Number;
           }
-          if (other.Type != global::Google.Protobuf.Examples.AddressBook.Person.Types.PhoneType.MOBILE) {
+          if (other.Type != 0) {
             Type = other.Type;
           }
+          _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
         }
 
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
         public void MergeFrom(pb::CodedInputStream input) {
           uint tag;
           while ((tag = input.ReadTag()) != 0) {
             switch(tag) {
               default:
-                input.SkipLastField();
+                _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, input);
                 break;
               case 10: {
                 Number = input.ReadString();
@@ -369,31 +462,38 @@
   }
 
   /// <summary>
-  ///  Our address book file is just one of these.
+  /// Our address book file is just one of these.
   /// </summary>
-  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
   public sealed partial class AddressBook : pb::IMessage<AddressBook> {
     private static readonly pb::MessageParser<AddressBook> _parser = new pb::MessageParser<AddressBook>(() => new AddressBook());
+    private pb::UnknownFieldSet _unknownFields;
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public static pb::MessageParser<AddressBook> Parser { get { return _parser; } }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public static pbr::MessageDescriptor Descriptor {
       get { return global::Google.Protobuf.Examples.AddressBook.AddressbookReflection.Descriptor.MessageTypes[1]; }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     pbr::MessageDescriptor pb::IMessage.Descriptor {
       get { return Descriptor; }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public AddressBook() {
       OnConstruction();
     }
 
     partial void OnConstruction();
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public AddressBook(AddressBook other) : this() {
       people_ = other.people_.Clone();
+      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public AddressBook Clone() {
       return new AddressBook(this);
     }
@@ -403,14 +503,17 @@
     private static readonly pb::FieldCodec<global::Google.Protobuf.Examples.AddressBook.Person> _repeated_people_codec
         = pb::FieldCodec.ForMessage(10, global::Google.Protobuf.Examples.AddressBook.Person.Parser);
     private readonly pbc::RepeatedField<global::Google.Protobuf.Examples.AddressBook.Person> people_ = new pbc::RepeatedField<global::Google.Protobuf.Examples.AddressBook.Person>();
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public pbc::RepeatedField<global::Google.Protobuf.Examples.AddressBook.Person> People {
       get { return people_; }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public override bool Equals(object other) {
       return Equals(other as AddressBook);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public bool Equals(AddressBook other) {
       if (ReferenceEquals(other, null)) {
         return false;
@@ -419,42 +522,58 @@
         return true;
       }
       if(!people_.Equals(other.people_)) return false;
-      return true;
+      return Equals(_unknownFields, other._unknownFields);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public override int GetHashCode() {
       int hash = 1;
       hash ^= people_.GetHashCode();
+      if (_unknownFields != null) {
+        hash ^= _unknownFields.GetHashCode();
+      }
       return hash;
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public override string ToString() {
       return pb::JsonFormatter.ToDiagnosticString(this);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public void WriteTo(pb::CodedOutputStream output) {
       people_.WriteTo(output, _repeated_people_codec);
+      if (_unknownFields != null) {
+        _unknownFields.WriteTo(output);
+      }
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public int CalculateSize() {
       int size = 0;
       size += people_.CalculateSize(_repeated_people_codec);
+      if (_unknownFields != null) {
+        size += _unknownFields.CalculateSize();
+      }
       return size;
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public void MergeFrom(AddressBook other) {
       if (other == null) {
         return;
       }
       people_.Add(other.people_);
+      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
     }
 
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
     public void MergeFrom(pb::CodedInputStream input) {
       uint tag;
       while ((tag = input.ReadTag()) != 0) {
         switch(tag) {
           default:
-            input.SkipLastField();
+            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, input);
             break;
           case 10: {
             people_.AddEntriesFrom(input, _repeated_people_codec);