Update //third_party/protobuf to version 3.

third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/SentinelOuterClass.java

Index: third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/SentinelOuterClass.java
diff --git a/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/SentinelOuterClass.java b/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/SentinelOuterClass.java
new file mode 100644
index 0000000000000000000000000000000000000000..54f2c729a2695edc7beffe193a8f4108bb34e324
--- /dev/null
+++ b/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/SentinelOuterClass.java
@@ -0,0 +1,776 @@
+/*
+ * Protocol Buffers - Google's data interchange format
+ * Copyright 2014 Google Inc.  All rights reserved.
+ * https://developers.google.com/protocol-buffers/
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: sentinel.proto
+
+package com.google.protobuf.jruby;
+
+public final class SentinelOuterClass {
+  private SentinelOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+  }
+  public interface SentinelOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:com.google.protobuf.jruby.Sentinel)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>optional int32 default_int32 = 1;</code>
+     */
+    int getDefaultInt32();
+
+    /**
+     * <code>optional int64 default_int64 = 2;</code>
+     */
+    long getDefaultInt64();
+
+    /**
+     * <code>optional uint32 default_unit32 = 3;</code>
+     */
+    int getDefaultUnit32();
+
+    /**
+     * <code>optional uint64 default_uint64 = 4;</code>
+     */
+    long getDefaultUint64();
+
+    /**
+     * <code>optional string default_string = 5;</code>
+     */
+    java.lang.String getDefaultString();
+    /**
+     * <code>optional string default_string = 5;</code>
+     */
+    com.google.protobuf.ByteString
+        getDefaultStringBytes();
+
+    /**
+     * <code>optional bool default_bool = 6;</code>
+     */
+    boolean getDefaultBool();
+
+    /**
+     * <code>optional float default_float = 7;</code>
+     */
+    float getDefaultFloat();
+
+    /**
+     * <code>optional double default_double = 8;</code>
+     */
+    double getDefaultDouble();
+
+    /**
+     * <code>optional bytes default_bytes = 9;</code>
+     */
+    com.google.protobuf.ByteString getDefaultBytes();
+  }
+  /**
+   * Protobuf type {@code com.google.protobuf.jruby.Sentinel}
+   */
+  public  static final class Sentinel extends
+      com.google.protobuf.GeneratedMessage implements
+      // @@protoc_insertion_point(message_implements:com.google.protobuf.jruby.Sentinel)
+      SentinelOrBuilder {
+    // Use Sentinel.newBuilder() to construct.
+    private Sentinel(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
+    private Sentinel() {
+      defaultInt32_ = 0;
+      defaultInt64_ = 0L;
+      defaultUnit32_ = 0;
+      defaultUint64_ = 0L;
+      defaultString_ = "";
+      defaultBool_ = false;
+      defaultFloat_ = 0F;
+      defaultDouble_ = 0D;
+      defaultBytes_ = com.google.protobuf.ByteString.EMPTY;
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return com.google.protobuf.UnknownFieldSet.getDefaultInstance();
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.protobuf.jruby.SentinelOuterClass.internal_static_com_google_protobuf_jruby_Sentinel_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.protobuf.jruby.SentinelOuterClass.internal_static_com_google_protobuf_jruby_Sentinel_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.protobuf.jruby.SentinelOuterClass.Sentinel.class, com.google.protobuf.jruby.SentinelOuterClass.Sentinel.Builder.class);
+    }
+
+    public static final com.google.protobuf.Parser<Sentinel> PARSER =
+        new com.google.protobuf.AbstractParser<Sentinel>() {
+      public Sentinel parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(
+              e.getMessage()).setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<Sentinel> getParserForType() {
+      return PARSER;
+    }
+
+    public static final int DEFAULT_INT32_FIELD_NUMBER = 1;
+    private int defaultInt32_;
+    /**
+     * <code>optional int32 default_int32 = 1;</code>
+     */
+    public int getDefaultInt32() {
+      return defaultInt32_;
+    }
+
+    public static final int DEFAULT_INT64_FIELD_NUMBER = 2;
+    private long defaultInt64_;
+    /**
+     * <code>optional int64 default_int64 = 2;</code>
+     */
+    public long getDefaultInt64() {
+      return defaultInt64_;
+    }
+
+    public static final int DEFAULT_UNIT32_FIELD_NUMBER = 3;
+    private int defaultUnit32_;
+    /**
+     * <code>optional uint32 default_unit32 = 3;</code>
+     */
+    public int getDefaultUnit32() {
+      return defaultUnit32_;
+    }
+
+    public static final int DEFAULT_UINT64_FIELD_NUMBER = 4;
+    private long defaultUint64_;
+    /**
+     * <code>optional uint64 default_uint64 = 4;</code>
+     */
+    public long getDefaultUint64() {
+      return defaultUint64_;
+    }
+
+    public static final int DEFAULT_STRING_FIELD_NUMBER = 5;
+    private java.lang.Object defaultString_;
+    /**
+     * <code>optional string default_string = 5;</code>
+     */
+    public java.lang.String getDefaultString() {
+      java.lang.Object ref = defaultString_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          defaultString_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string default_string = 5;</code>
+     */
+    public com.google.protobuf.ByteString
+        getDefaultStringBytes() {
+      java.lang.Object ref = defaultString_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        defaultString_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int DEFAULT_BOOL_FIELD_NUMBER = 6;
+    private boolean defaultBool_;
+    /**
+     * <code>optional bool default_bool = 6;</code>
+     */
+    public boolean getDefaultBool() {
+      return defaultBool_;
+    }
+
+    public static final int DEFAULT_FLOAT_FIELD_NUMBER = 7;
+    private float defaultFloat_;
+    /**
+     * <code>optional float default_float = 7;</code>
+     */
+    public float getDefaultFloat() {
+      return defaultFloat_;
+    }
+
+    public static final int DEFAULT_DOUBLE_FIELD_NUMBER = 8;
+    private double defaultDouble_;
+    /**
+     * <code>optional double default_double = 8;</code>
+     */
+    public double getDefaultDouble() {
+      return defaultDouble_;
+    }
+
+    public static final int DEFAULT_BYTES_FIELD_NUMBER = 9;
+    private com.google.protobuf.ByteString defaultBytes_;
+    /**
+     * <code>optional bytes default_bytes = 9;</code>
+     */
+    public com.google.protobuf.ByteString getDefaultBytes() {
+      return defaultBytes_;
+    }
+
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return new Builder(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(com.google.protobuf.jruby.SentinelOuterClass.Sentinel prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code com.google.protobuf.jruby.Sentinel}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:com.google.protobuf.jruby.Sentinel)
+        com.google.protobuf.jruby.SentinelOuterClass.SentinelOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.protobuf.jruby.SentinelOuterClass.internal_static_com_google_protobuf_jruby_Sentinel_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.protobuf.jruby.SentinelOuterClass.internal_static_com_google_protobuf_jruby_Sentinel_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.protobuf.jruby.SentinelOuterClass.Sentinel.class, com.google.protobuf.jruby.SentinelOuterClass.Sentinel.Builder.class);
+      }
+
+      // Construct using com.google.protobuf.jruby.SentinelOuterClass.Sentinel.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      public Builder clear() {
+        super.clear();
+        defaultInt32_ = 0;
+
+        defaultInt64_ = 0L;
+
+        defaultUnit32_ = 0;
+
+        defaultUint64_ = 0L;
+
+        defaultString_ = "";
+
+        defaultBool_ = false;
+
+        defaultFloat_ = 0F;
+
+        defaultDouble_ = 0D;
+
+        defaultBytes_ = com.google.protobuf.ByteString.EMPTY;
+
+        return this;
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.protobuf.jruby.SentinelOuterClass.internal_static_com_google_protobuf_jruby_Sentinel_descriptor;
+      }
+
+      public com.google.protobuf.jruby.SentinelOuterClass.Sentinel getDefaultInstanceForType() {
+        return com.google.protobuf.jruby.SentinelOuterClass.Sentinel.getDefaultInstance();
+      }
+
+      public com.google.protobuf.jruby.SentinelOuterClass.Sentinel build() {
+        com.google.protobuf.jruby.SentinelOuterClass.Sentinel result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public com.google.protobuf.jruby.SentinelOuterClass.Sentinel buildPartial() {
+        com.google.protobuf.jruby.SentinelOuterClass.Sentinel result = new com.google.protobuf.jruby.SentinelOuterClass.Sentinel(this);
+        result.defaultInt32_ = defaultInt32_;
+        result.defaultInt64_ = defaultInt64_;
+        result.defaultUnit32_ = defaultUnit32_;
+        result.defaultUint64_ = defaultUint64_;
+        result.defaultString_ = defaultString_;
+        result.defaultBool_ = defaultBool_;
+        result.defaultFloat_ = defaultFloat_;
+        result.defaultDouble_ = defaultDouble_;
+        result.defaultBytes_ = defaultBytes_;
+        onBuilt();
+        return result;
+      }
+
+
+      private int defaultInt32_ ;
+      /**
+       * <code>optional int32 default_int32 = 1;</code>
+       */
+      public int getDefaultInt32() {
+        return defaultInt32_;
+      }
+      /**
+       * <code>optional int32 default_int32 = 1;</code>
+       */
+      public Builder setDefaultInt32(int value) {
+        
+        defaultInt32_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional int32 default_int32 = 1;</code>
+       */
+      public Builder clearDefaultInt32() {
+        
+        defaultInt32_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private long defaultInt64_ ;
+      /**
+       * <code>optional int64 default_int64 = 2;</code>
+       */
+      public long getDefaultInt64() {
+        return defaultInt64_;
+      }
+      /**
+       * <code>optional int64 default_int64 = 2;</code>
+       */
+      public Builder setDefaultInt64(long value) {
+        
+        defaultInt64_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional int64 default_int64 = 2;</code>
+       */
+      public Builder clearDefaultInt64() {
+        
+        defaultInt64_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private int defaultUnit32_ ;
+      /**
+       * <code>optional uint32 default_unit32 = 3;</code>
+       */
+      public int getDefaultUnit32() {
+        return defaultUnit32_;
+      }
+      /**
+       * <code>optional uint32 default_unit32 = 3;</code>
+       */
+      public Builder setDefaultUnit32(int value) {
+        
+        defaultUnit32_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional uint32 default_unit32 = 3;</code>
+       */
+      public Builder clearDefaultUnit32() {
+        
+        defaultUnit32_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private long defaultUint64_ ;
+      /**
+       * <code>optional uint64 default_uint64 = 4;</code>
+       */
+      public long getDefaultUint64() {
+        return defaultUint64_;
+      }
+      /**
+       * <code>optional uint64 default_uint64 = 4;</code>
+       */
+      public Builder setDefaultUint64(long value) {
+        
+        defaultUint64_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional uint64 default_uint64 = 4;</code>
+       */
+      public Builder clearDefaultUint64() {
+        
+        defaultUint64_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object defaultString_ = "";
+      /**
+       * <code>optional string default_string = 5;</code>
+       */
+      public java.lang.String getDefaultString() {
+        java.lang.Object ref = defaultString_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            defaultString_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string default_string = 5;</code>
+       */
+      public com.google.protobuf.ByteString
+          getDefaultStringBytes() {
+        java.lang.Object ref = defaultString_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          defaultString_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string default_string = 5;</code>
+       */
+      public Builder setDefaultString(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        defaultString_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string default_string = 5;</code>
+       */
+      public Builder clearDefaultString() {
+        
+        defaultString_ = getDefaultInstance().getDefaultString();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string default_string = 5;</code>
+       */
+      public Builder setDefaultStringBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        defaultString_ = value;
+        onChanged();
+        return this;
+      }
+
+      private boolean defaultBool_ ;
+      /**
+       * <code>optional bool default_bool = 6;</code>
+       */
+      public boolean getDefaultBool() {
+        return defaultBool_;
+      }
+      /**
+       * <code>optional bool default_bool = 6;</code>
+       */
+      public Builder setDefaultBool(boolean value) {
+        
+        defaultBool_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bool default_bool = 6;</code>
+       */
+      public Builder clearDefaultBool() {
+        
+        defaultBool_ = false;
+        onChanged();
+        return this;
+      }
+
+      private float defaultFloat_ ;
+      /**
+       * <code>optional float default_float = 7;</code>
+       */
+      public float getDefaultFloat() {
+        return defaultFloat_;
+      }
+      /**
+       * <code>optional float default_float = 7;</code>
+       */
+      public Builder setDefaultFloat(float value) {
+        
+        defaultFloat_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional float default_float = 7;</code>
+       */
+      public Builder clearDefaultFloat() {
+        
+        defaultFloat_ = 0F;
+        onChanged();
+        return this;
+      }
+
+      private double defaultDouble_ ;
+      /**
+       * <code>optional double default_double = 8;</code>
+       */
+      public double getDefaultDouble() {
+        return defaultDouble_;
+      }
+      /**
+       * <code>optional double default_double = 8;</code>
+       */
+      public Builder setDefaultDouble(double value) {
+        
+        defaultDouble_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional double default_double = 8;</code>
+       */
+      public Builder clearDefaultDouble() {
+        
+        defaultDouble_ = 0D;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.ByteString defaultBytes_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <code>optional bytes default_bytes = 9;</code>
+       */
+      public com.google.protobuf.ByteString getDefaultBytes() {
+        return defaultBytes_;
+      }
+      /**
+       * <code>optional bytes default_bytes = 9;</code>
+       */
+      public Builder setDefaultBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        defaultBytes_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bytes default_bytes = 9;</code>
+       */
+      public Builder clearDefaultBytes() {
+        
+        defaultBytes_ = getDefaultInstance().getDefaultBytes();
+        onChanged();
+        return this;
+      }
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return this;
+      }
+
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return this;
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:com.google.protobuf.jruby.Sentinel)
+    }
+
+    // @@protoc_insertion_point(class_scope:com.google.protobuf.jruby.Sentinel)
+    private static final com.google.protobuf.jruby.SentinelOuterClass.Sentinel defaultInstance;static {
+      defaultInstance = new com.google.protobuf.jruby.SentinelOuterClass.Sentinel();
+    }
+
+    public static com.google.protobuf.jruby.SentinelOuterClass.Sentinel getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public com.google.protobuf.jruby.SentinelOuterClass.Sentinel getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_com_google_protobuf_jruby_Sentinel_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_com_google_protobuf_jruby_Sentinel_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\016sentinel.proto\022\031com.google.protobuf.jr" +
+      "uby\"\334\001\n\010Sentinel\022\025\n\rdefault_int32\030\001 \001(\005\022" +
+      "\025\n\rdefault_int64\030\002 \001(\003\022\026\n\016default_unit32" +
+      "\030\003 \001(\r\022\026\n\016default_uint64\030\004 \001(\004\022\026\n\016defaul" +
+      "t_string\030\005 \001(\t\022\024\n\014default_bool\030\006 \001(\010\022\025\n\r" +
+      "default_float\030\007 \001(\002\022\026\n\016default_double\030\010 " +
+      "\001(\001\022\025\n\rdefault_bytes\030\t \001(\014B\002H\002b\006proto3"
+    };
+    com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
+        new com.google.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {
+          public com.google.protobuf.ExtensionRegistry assignDescriptors(
+              com.google.protobuf.Descriptors.FileDescriptor root) {
+            descriptor = root;
+            return null;
+          }
+        };
+    com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        }, assigner);
+    internal_static_com_google_protobuf_jruby_Sentinel_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_com_google_protobuf_jruby_Sentinel_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+        internal_static_com_google_protobuf_jruby_Sentinel_descriptor,
+        new java.lang.String[] { "DefaultInt32", "DefaultInt64", "DefaultUnit32", "DefaultUint64", "DefaultString", "DefaultBool", "DefaultFloat", "DefaultDouble", "DefaultBytes", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}