Remove protobuf lite for java.

third_party/protobuf/java/src/main/java/com/google/protobuf/UnknownFieldSet.java

Index: third_party/protobuf/java/src/main/java/com/google/protobuf/UnknownFieldSet.java
diff --git a/third_party/protobuf/java/src/main/java/com/google/protobuf/UnknownFieldSet.java b/third_party/protobuf/java/src/main/java/com/google/protobuf/UnknownFieldSet.java
deleted file mode 100644
index 45e2e6e4099dca1c10e67ae20a1d482a5cb39e04..0000000000000000000000000000000000000000
--- a/third_party/protobuf/java/src/main/java/com/google/protobuf/UnknownFieldSet.java
+++ /dev/null
@@ -1,978 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// 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.
-
-package com.google.protobuf;
-
-import com.google.protobuf.AbstractMessageLite.Builder.LimitedInputStream;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.TreeMap;
-
-/**
- * {@code UnknownFieldSet} is used to keep track of fields which were seen when
- * parsing a protocol message but whose field numbers or types are unrecognized.
- * This most frequently occurs when new fields are added to a message type
- * and then messages containing those fields are read by old software that was
- * compiled before the new types were added.
- *
- * <p>Every {@link Message} contains an {@code UnknownFieldSet} (and every
- * {@link Message.Builder} contains an {@link Builder}).
- *
- * <p>Most users will never need to use this class.
- *
- * @author kenton@google.com Kenton Varda
- */
-public final class UnknownFieldSet implements MessageLite {
-  private UnknownFieldSet() {}
-
-  /** Create a new {@link Builder}. */
-  public static Builder newBuilder() {
-    return Builder.create();
-  }
-
-  /**
-   * Create a new {@link Builder} and initialize it to be a copy
-   * of {@code copyFrom}.
-   */
-  public static Builder newBuilder(final UnknownFieldSet copyFrom) {
-    return newBuilder().mergeFrom(copyFrom);
-  }
-
-  /** Get an empty {@code UnknownFieldSet}. */
-  public static UnknownFieldSet getDefaultInstance() {
-    return defaultInstance;
-  }
-  public UnknownFieldSet getDefaultInstanceForType() {
-    return defaultInstance;
-  }
-  private static final UnknownFieldSet defaultInstance =
-    new UnknownFieldSet(Collections.<Integer, Field>emptyMap());
-
-  /**
-   * Construct an {@code UnknownFieldSet} around the given map.  The map is
-   * expected to be immutable.
-   */
-  private UnknownFieldSet(final Map<Integer, Field> fields) {
-    this.fields = fields;
-  }
-  private Map<Integer, Field> fields;
-
-  @Override
-  public boolean equals(final Object other) {
-    if (this == other) {
-      return true;
-    }
-    return (other instanceof UnknownFieldSet) &&
-           fields.equals(((UnknownFieldSet) other).fields);
-  }
-
-  @Override
-  public int hashCode() {
-    return fields.hashCode();
-  }
-
-  /** Get a map of fields in the set by number. */
-  public Map<Integer, Field> asMap() {
-    return fields;
-  }
-
-  /** Check if the given field number is present in the set. */
-  public boolean hasField(final int number) {
-    return fields.containsKey(number);
-  }
-
-  /**
-   * Get a field by number.  Returns an empty field if not present.  Never
-   * returns {@code null}.
-   */
-  public Field getField(final int number) {
-    final Field result = fields.get(number);
-    return (result == null) ? Field.getDefaultInstance() : result;
-  }
-
-  /** Serializes the set and writes it to {@code output}. */
-  public void writeTo(final CodedOutputStream output) throws IOException {
-    for (final Map.Entry<Integer, Field> entry : fields.entrySet()) {
-      entry.getValue().writeTo(entry.getKey(), output);
-    }
-  }
-
-  /**
-   * Converts the set to a string in protocol buffer text format. This is
-   * just a trivial wrapper around
-   * {@link TextFormat#printToString(UnknownFieldSet)}.
-   */
-  @Override
-  public String toString() {
-    return TextFormat.printToString(this);
-  }
-
-  /**
-   * Serializes the message to a {@code ByteString} and returns it. This is
-   * just a trivial wrapper around {@link #writeTo(CodedOutputStream)}.
-   */
-  public ByteString toByteString() {
-    try {
-      final ByteString.CodedBuilder out =
-        ByteString.newCodedBuilder(getSerializedSize());
-      writeTo(out.getCodedOutput());
-      return out.build();
-    } catch (final IOException e) {
-      throw new RuntimeException(
-        "Serializing to a ByteString threw an IOException (should " +
-        "never happen).", e);
-    }
-  }
-
-  /**
-   * Serializes the message to a {@code byte} array and returns it.  This is
-   * just a trivial wrapper around {@link #writeTo(CodedOutputStream)}.
-   */
-  public byte[] toByteArray() {
-    try {
-      final byte[] result = new byte[getSerializedSize()];
-      final CodedOutputStream output = CodedOutputStream.newInstance(result);
-      writeTo(output);
-      output.checkNoSpaceLeft();
-      return result;
-    } catch (final IOException e) {
-      throw new RuntimeException(
-        "Serializing to a byte array threw an IOException " +
-        "(should never happen).", e);
-    }
-  }
-
-  /**
-   * Serializes the message and writes it to {@code output}.  This is just a
-   * trivial wrapper around {@link #writeTo(CodedOutputStream)}.
-   */
-  public void writeTo(final OutputStream output) throws IOException {
-    final CodedOutputStream codedOutput = CodedOutputStream.newInstance(output);
-    writeTo(codedOutput);
-    codedOutput.flush();
-  }
-
-  public void writeDelimitedTo(OutputStream output) throws IOException {
-    final CodedOutputStream codedOutput = CodedOutputStream.newInstance(output);
-    codedOutput.writeRawVarint32(getSerializedSize());
-    writeTo(codedOutput);
-    codedOutput.flush();
-  }
-
-  /** Get the number of bytes required to encode this set. */
-  public int getSerializedSize() {
-    int result = 0;
-    for (final Map.Entry<Integer, Field> entry : fields.entrySet()) {
-      result += entry.getValue().getSerializedSize(entry.getKey());
-    }
-    return result;
-  }
-
-  /**
-   * Serializes the set and writes it to {@code output} using
-   * {@code MessageSet} wire format.
-   */
-  public void writeAsMessageSetTo(final CodedOutputStream output)
-      throws IOException {
-    for (final Map.Entry<Integer, Field> entry : fields.entrySet()) {
-      entry.getValue().writeAsMessageSetExtensionTo(
-        entry.getKey(), output);
-    }
-  }
-
-  /**
-   * Get the number of bytes required to encode this set using
-   * {@code MessageSet} wire format.
-   */
-  public int getSerializedSizeAsMessageSet() {
-    int result = 0;
-    for (final Map.Entry<Integer, Field> entry : fields.entrySet()) {
-      result += entry.getValue().getSerializedSizeAsMessageSetExtension(
-        entry.getKey());
-    }
-    return result;
-  }
-
-  public boolean isInitialized() {
-    // UnknownFieldSets do not have required fields, so they are always
-    // initialized.
-    return true;
-  }
-
-  /** Parse an {@code UnknownFieldSet} from the given input stream. */
-  public static UnknownFieldSet parseFrom(final CodedInputStream input)
-                                          throws IOException {
-    return newBuilder().mergeFrom(input).build();
-  }
-
-  /** Parse {@code data} as an {@code UnknownFieldSet} and return it. */
-  public static UnknownFieldSet parseFrom(final ByteString data)
-      throws InvalidProtocolBufferException {
-    return newBuilder().mergeFrom(data).build();
-  }
-
-  /** Parse {@code data} as an {@code UnknownFieldSet} and return it. */
-  public static UnknownFieldSet parseFrom(final byte[] data)
-      throws InvalidProtocolBufferException {
-    return newBuilder().mergeFrom(data).build();
-  }
-
-  /** Parse an {@code UnknownFieldSet} from {@code input} and return it. */
-  public static UnknownFieldSet parseFrom(final InputStream input)
-                                          throws IOException {
-    return newBuilder().mergeFrom(input).build();
-  }
-
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
-  public Builder toBuilder() {
-    return newBuilder().mergeFrom(this);
-  }
-
-  /**
-   * Builder for {@link UnknownFieldSet}s.
-   *
-   * <p>Note that this class maintains {@link Field.Builder}s for all fields
-   * in the set.  Thus, adding one element to an existing {@link Field} does not
-   * require making a copy.  This is important for efficient parsing of
-   * unknown repeated fields.  However, it implies that {@link Field}s cannot
-   * be constructed independently, nor can two {@link UnknownFieldSet}s share
-   * the same {@code Field} object.
-   *
-   * <p>Use {@link UnknownFieldSet#newBuilder()} to construct a {@code Builder}.
-   */
-  public static final class Builder implements MessageLite.Builder {
-    // This constructor should never be called directly (except from 'create').
-    private Builder() {}
-
-    private Map<Integer, Field> fields;
-
-    // Optimization:  We keep around a builder for the last field that was
-    //   modified so that we can efficiently add to it multiple times in a
-    //   row (important when parsing an unknown repeated field).
-    private int lastFieldNumber;
-    private Field.Builder lastField;
-
-    private static Builder create() {
-      Builder builder = new Builder();
-      builder.reinitialize();
-      return builder;
-    }
-
-    /**
-     * Get a field builder for the given field number which includes any
-     * values that already exist.
-     */
-    private Field.Builder getFieldBuilder(final int number) {
-      if (lastField != null) {
-        if (number == lastFieldNumber) {
-          return lastField;
-        }
-        // Note:  addField() will reset lastField and lastFieldNumber.
-        addField(lastFieldNumber, lastField.build());
-      }
-      if (number == 0) {
-        return null;
-      } else {
-        final Field existing = fields.get(number);
-        lastFieldNumber = number;
-        lastField = Field.newBuilder();
-        if (existing != null) {
-          lastField.mergeFrom(existing);
-        }
-        return lastField;
-      }
-    }
-
-    /**
-     * Build the {@link UnknownFieldSet} and return it.
-     *
-     * <p>Once {@code build()} has been called, the {@code Builder} will no
-     * longer be usable.  Calling any method after {@code build()} will result
-     * in undefined behavior and can cause a {@code NullPointerException} to be
-     * thrown.
-     */
-    public UnknownFieldSet build() {
-      getFieldBuilder(0);  // Force lastField to be built.
-      final UnknownFieldSet result;
-      if (fields.isEmpty()) {
-        result = getDefaultInstance();
-      } else {
-        result = new UnknownFieldSet(Collections.unmodifiableMap(fields));
-      }
-      fields = null;
-      return result;
-    }
-
-    public UnknownFieldSet buildPartial() {
-      // No required fields, so this is the same as build().
-      return build();
-    }
-
-    @Override
-    public Builder clone() {
-      getFieldBuilder(0);  // Force lastField to be built.
-      return UnknownFieldSet.newBuilder().mergeFrom(
-          new UnknownFieldSet(fields));
-    }
-
-    public UnknownFieldSet getDefaultInstanceForType() {
-      return UnknownFieldSet.getDefaultInstance();
-    }
-
-    private void reinitialize() {
-      fields = Collections.emptyMap();
-      lastFieldNumber = 0;
-      lastField = null;
-    }
-
-    /** Reset the builder to an empty set. */
-    public Builder clear() {
-      reinitialize();
-      return this;
-    }
-
-    /**
-     * Merge the fields from {@code other} into this set.  If a field number
-     * exists in both sets, {@code other}'s values for that field will be
-     * appended to the values in this set.
-     */
-    public Builder mergeFrom(final UnknownFieldSet other) {
-      if (other != getDefaultInstance()) {
-        for (final Map.Entry<Integer, Field> entry : other.fields.entrySet()) {
-          mergeField(entry.getKey(), entry.getValue());
-        }
-      }
-      return this;
-    }
-
-    /**
-     * Add a field to the {@code UnknownFieldSet}.  If a field with the same
-     * number already exists, the two are merged.
-     */
-    public Builder mergeField(final int number, final Field field) {
-      if (number == 0) {
-        throw new IllegalArgumentException("Zero is not a valid field number.");
-      }
-      if (hasField(number)) {
-        getFieldBuilder(number).mergeFrom(field);
-      } else {
-        // Optimization:  We could call getFieldBuilder(number).mergeFrom(field)
-        // in this case, but that would create a copy of the Field object.
-        // We'd rather reuse the one passed to us, so call addField() instead.
-        addField(number, field);
-      }
-      return this;
-    }
-
-    /**
-     * Convenience method for merging a new field containing a single varint
-     * value.  This is used in particular when an unknown enum value is
-     * encountered.
-     */
-    public Builder mergeVarintField(final int number, final int value) {
-      if (number == 0) {
-        throw new IllegalArgumentException("Zero is not a valid field number.");
-      }
-      getFieldBuilder(number).addVarint(value);
-      return this;
-    }
-
-    /** Check if the given field number is present in the set. */
-    public boolean hasField(final int number) {
-      if (number == 0) {
-        throw new IllegalArgumentException("Zero is not a valid field number.");
-      }
-      return number == lastFieldNumber || fields.containsKey(number);
-    }
-
-    /**
-     * Add a field to the {@code UnknownFieldSet}.  If a field with the same
-     * number already exists, it is removed.
-     */
-    public Builder addField(final int number, final Field field) {
-      if (number == 0) {
-        throw new IllegalArgumentException("Zero is not a valid field number.");
-      }
-      if (lastField != null && lastFieldNumber == number) {
-        // Discard this.
-        lastField = null;
-        lastFieldNumber = 0;
-      }
-      if (fields.isEmpty()) {
-        fields = new TreeMap<Integer,Field>();
-      }
-      fields.put(number, field);
-      return this;
-    }
-
-    /**
-     * Get all present {@code Field}s as an immutable {@code Map}.  If more
-     * fields are added, the changes may or may not be reflected in this map.
-     */
-    public Map<Integer, Field> asMap() {
-      getFieldBuilder(0);  // Force lastField to be built.
-      return Collections.unmodifiableMap(fields);
-    }
-
-    /**
-     * Parse an entire message from {@code input} and merge its fields into
-     * this set.
-     */
-    public Builder mergeFrom(final CodedInputStream input) throws IOException {
-      while (true) {
-        final int tag = input.readTag();
-        if (tag == 0 || !mergeFieldFrom(tag, input)) {
-          break;
-        }
-      }
-      return this;
-    }
-
-    /**
-     * Parse a single field from {@code input} and merge it into this set.
-     * @param tag The field's tag number, which was already parsed.
-     * @return {@code false} if the tag is an end group tag.
-     */
-    public boolean mergeFieldFrom(final int tag, final CodedInputStream input)
-                                  throws IOException {
-      final int number = WireFormat.getTagFieldNumber(tag);
-      switch (WireFormat.getTagWireType(tag)) {
-        case WireFormat.WIRETYPE_VARINT:
-          getFieldBuilder(number).addVarint(input.readInt64());
-          return true;
-        case WireFormat.WIRETYPE_FIXED64:
-          getFieldBuilder(number).addFixed64(input.readFixed64());
-          return true;
-        case WireFormat.WIRETYPE_LENGTH_DELIMITED:
-          getFieldBuilder(number).addLengthDelimited(input.readBytes());
-          return true;
-        case WireFormat.WIRETYPE_START_GROUP:
-          final Builder subBuilder = newBuilder();
-          input.readGroup(number, subBuilder,
-                          ExtensionRegistry.getEmptyRegistry());
-          getFieldBuilder(number).addGroup(subBuilder.build());
-          return true;
-        case WireFormat.WIRETYPE_END_GROUP:
-          return false;
-        case WireFormat.WIRETYPE_FIXED32:
-          getFieldBuilder(number).addFixed32(input.readFixed32());
-          return true;
-        default:
-          throw InvalidProtocolBufferException.invalidWireType();
-      }
-    }
-
-    /**
-     * Parse {@code data} as an {@code UnknownFieldSet} and merge it with the
-     * set being built.  This is just a small wrapper around
-     * {@link #mergeFrom(CodedInputStream)}.
-     */
-    public Builder mergeFrom(final ByteString data)
-        throws InvalidProtocolBufferException {
-      try {
-        final CodedInputStream input = data.newCodedInput();
-        mergeFrom(input);
-        input.checkLastTagWas(0);
-        return this;
-      } catch (final InvalidProtocolBufferException e) {
-        throw e;
-      } catch (final IOException e) {
-        throw new RuntimeException(
-          "Reading from a ByteString threw an IOException (should " +
-          "never happen).", e);
-      }
-    }
-
-    /**
-     * Parse {@code data} as an {@code UnknownFieldSet} and merge it with the
-     * set being built.  This is just a small wrapper around
-     * {@link #mergeFrom(CodedInputStream)}.
-     */
-    public Builder mergeFrom(final byte[] data)
-        throws InvalidProtocolBufferException {
-      try {
-        final CodedInputStream input = CodedInputStream.newInstance(data);
-        mergeFrom(input);
-        input.checkLastTagWas(0);
-        return this;
-      } catch (final InvalidProtocolBufferException e) {
-        throw e;
-      } catch (final IOException e) {
-        throw new RuntimeException(
-          "Reading from a byte array threw an IOException (should " +
-          "never happen).", e);
-      }
-    }
-
-    /**
-     * Parse an {@code UnknownFieldSet} from {@code input} and merge it with the
-     * set being built.  This is just a small wrapper around
-     * {@link #mergeFrom(CodedInputStream)}.
-     */
-    public Builder mergeFrom(final InputStream input) throws IOException {
-      final CodedInputStream codedInput = CodedInputStream.newInstance(input);
-      mergeFrom(codedInput);
-      codedInput.checkLastTagWas(0);
-      return this;
-    }
-
-    public boolean mergeDelimitedFrom(InputStream input)
-        throws IOException {
-      final int firstByte = input.read();
-      if (firstByte == -1) {
-        return false;
-      }
-      final int size = CodedInputStream.readRawVarint32(firstByte, input);
-      final InputStream limitedInput = new LimitedInputStream(input, size);
-      mergeFrom(limitedInput);
-      return true;
-    }
-
-    public boolean mergeDelimitedFrom(
-        InputStream input,
-        ExtensionRegistryLite extensionRegistry) throws IOException {
-      // UnknownFieldSet has no extensions.
-      return mergeDelimitedFrom(input);
-    }
-
-    public Builder mergeFrom(
-        CodedInputStream input,
-        ExtensionRegistryLite extensionRegistry) throws IOException {
-      // UnknownFieldSet has no extensions.
-      return mergeFrom(input);
-    }
-
-    public Builder mergeFrom(
-        ByteString data,
-        ExtensionRegistryLite extensionRegistry)
-        throws InvalidProtocolBufferException {
-      // UnknownFieldSet has no extensions.
-      return mergeFrom(data);
-    }
-
-    public Builder mergeFrom(byte[] data, int off, int len)
-        throws InvalidProtocolBufferException {
-      try {
-        final CodedInputStream input =
-            CodedInputStream.newInstance(data, off, len);
-        mergeFrom(input);
-        input.checkLastTagWas(0);
-        return this;
-      } catch (InvalidProtocolBufferException e) {
-        throw e;
-      } catch (IOException e) {
-        throw new RuntimeException(
-          "Reading from a byte array threw an IOException (should " +
-          "never happen).", e);
-      }
-    }
-
-    public Builder mergeFrom(
-        byte[] data,
-        ExtensionRegistryLite extensionRegistry)
-        throws InvalidProtocolBufferException {
-      // UnknownFieldSet has no extensions.
-      return mergeFrom(data);
-    }
-
-    public Builder mergeFrom(
-        byte[] data, int off, int len,
-        ExtensionRegistryLite extensionRegistry)
-        throws InvalidProtocolBufferException {
-      // UnknownFieldSet has no extensions.
-      return mergeFrom(data, off, len);
-    }
-
-    public Builder mergeFrom(
-        InputStream input,
-        ExtensionRegistryLite extensionRegistry) throws IOException {
-      // UnknownFieldSet has no extensions.
-      return mergeFrom(input);
-    }
-
-    public boolean isInitialized() {
-      // UnknownFieldSets do not have required fields, so they are always
-      // initialized.
-      return true;
-    }
-  }
-
-  /**
-   * Represents a single field in an {@code UnknownFieldSet}.
-   *
-   * <p>A {@code Field} consists of five lists of values.  The lists correspond
-   * to the five "wire types" used in the protocol buffer binary format.
-   * The wire type of each field can be determined from the encoded form alone,
-   * without knowing the field's declared type.  So, we are able to parse
-   * unknown values at least this far and separate them.  Normally, only one
-   * of the five lists will contain any values, since it is impossible to
-   * define a valid message type that declares two different types for the
-   * same field number.  However, the code is designed to allow for the case
-   * where the same unknown field number is encountered using multiple different
-   * wire types.
-   *
-   * <p>{@code Field} is an immutable class.  To construct one, you must use a
-   * {@link Builder}.
-   *
-   * @see UnknownFieldSet
-   */
-  public static final class Field {
-    private Field() {}
-
-    /** Construct a new {@link Builder}. */
-    public static Builder newBuilder() {
-      return Builder.create();
-    }
-
-    /**
-     * Construct a new {@link Builder} and initialize it to a copy of
-     * {@code copyFrom}.
-     */
-    public static Builder newBuilder(final Field copyFrom) {
-      return newBuilder().mergeFrom(copyFrom);
-    }
-
-    /** Get an empty {@code Field}. */
-    public static Field getDefaultInstance() {
-      return fieldDefaultInstance;
-    }
-    private static final Field fieldDefaultInstance = newBuilder().build();
-
-    /** Get the list of varint values for this field. */
-    public List<Long> getVarintList()               { return varint;          }
-
-    /** Get the list of fixed32 values for this field. */
-    public List<Integer> getFixed32List()           { return fixed32;         }
-
-    /** Get the list of fixed64 values for this field. */
-    public List<Long> getFixed64List()              { return fixed64;         }
-
-    /** Get the list of length-delimited values for this field. */
-    public List<ByteString> getLengthDelimitedList() { return lengthDelimited; }
-
-    /**
-     * Get the list of embedded group values for this field.  These are
-     * represented using {@link UnknownFieldSet}s rather than {@link Message}s
-     * since the group's type is presumably unknown.
-     */
-    public List<UnknownFieldSet> getGroupList()      { return group;           }
-
-    @Override
-    public boolean equals(final Object other) {
-      if (this == other) {
-        return true;
-      }
-      if (!(other instanceof Field)) {
-        return false;
-      }
-      return Arrays.equals(getIdentityArray(),
-          ((Field) other).getIdentityArray());
-    }
-
-    @Override
-    public int hashCode() {
-      return Arrays.hashCode(getIdentityArray());
-    }
-
-    /**
-     * Returns the array of objects to be used to uniquely identify this
-     * {@link Field} instance.
-     */
-    private Object[] getIdentityArray() {
-      return new Object[] {
-          varint,
-          fixed32,
-          fixed64,
-          lengthDelimited,
-          group};
-    }
-
-    /**
-     * Serializes the field, including field number, and writes it to
-     * {@code output}.
-     */
-    public void writeTo(final int fieldNumber, final CodedOutputStream output)
-                        throws IOException {
-      for (final long value : varint) {
-        output.writeUInt64(fieldNumber, value);
-      }
-      for (final int value : fixed32) {
-        output.writeFixed32(fieldNumber, value);
-      }
-      for (final long value : fixed64) {
-        output.writeFixed64(fieldNumber, value);
-      }
-      for (final ByteString value : lengthDelimited) {
-        output.writeBytes(fieldNumber, value);
-      }
-      for (final UnknownFieldSet value : group) {
-        output.writeGroup(fieldNumber, value);
-      }
-    }
-
-    /**
-     * Get the number of bytes required to encode this field, including field
-     * number.
-     */
-    public int getSerializedSize(final int fieldNumber) {
-      int result = 0;
-      for (final long value : varint) {
-        result += CodedOutputStream.computeUInt64Size(fieldNumber, value);
-      }
-      for (final int value : fixed32) {
-        result += CodedOutputStream.computeFixed32Size(fieldNumber, value);
-      }
-      for (final long value : fixed64) {
-        result += CodedOutputStream.computeFixed64Size(fieldNumber, value);
-      }
-      for (final ByteString value : lengthDelimited) {
-        result += CodedOutputStream.computeBytesSize(fieldNumber, value);
-      }
-      for (final UnknownFieldSet value : group) {
-        result += CodedOutputStream.computeGroupSize(fieldNumber, value);
-      }
-      return result;
-    }
-
-    /**
-     * Serializes the field, including field number, and writes it to
-     * {@code output}, using {@code MessageSet} wire format.
-     */
-    public void writeAsMessageSetExtensionTo(
-        final int fieldNumber,
-        final CodedOutputStream output)
-        throws IOException {
-      for (final ByteString value : lengthDelimited) {
-        output.writeRawMessageSetExtension(fieldNumber, value);
-      }
-    }
-
-    /**
-     * Get the number of bytes required to encode this field, including field
-     * number, using {@code MessageSet} wire format.
-     */
-    public int getSerializedSizeAsMessageSetExtension(final int fieldNumber) {
-      int result = 0;
-      for (final ByteString value : lengthDelimited) {
-        result += CodedOutputStream.computeRawMessageSetExtensionSize(
-          fieldNumber, value);
-      }
-      return result;
-    }
-
-    private List<Long> varint;
-    private List<Integer> fixed32;
-    private List<Long> fixed64;
-    private List<ByteString> lengthDelimited;
-    private List<UnknownFieldSet> group;
-
-    /**
-     * Used to build a {@link Field} within an {@link UnknownFieldSet}.
-     *
-     * <p>Use {@link Field#newBuilder()} to construct a {@code Builder}.
-     */
-    public static final class Builder {
-      // This constructor should never be called directly (except from 'create').
-      private Builder() {}
-
-      private static Builder create() {
-        Builder builder = new Builder();
-        builder.result = new Field();
-        return builder;
-      }
-
-      private Field result;
-
-      /**
-       * Build the field.  After {@code build()} has been called, the
-       * {@code Builder} is no longer usable.  Calling any other method will
-       * result in undefined behavior and can cause a
-       * {@code NullPointerException} to be thrown.
-       */
-      public Field build() {
-        if (result.varint == null) {
-          result.varint = Collections.emptyList();
-        } else {
-          result.varint = Collections.unmodifiableList(result.varint);
-        }
-        if (result.fixed32 == null) {
-          result.fixed32 = Collections.emptyList();
-        } else {
-          result.fixed32 = Collections.unmodifiableList(result.fixed32);
-        }
-        if (result.fixed64 == null) {
-          result.fixed64 = Collections.emptyList();
-        } else {
-          result.fixed64 = Collections.unmodifiableList(result.fixed64);
-        }
-        if (result.lengthDelimited == null) {
-          result.lengthDelimited = Collections.emptyList();
-        } else {
-          result.lengthDelimited =
-            Collections.unmodifiableList(result.lengthDelimited);
-        }
-        if (result.group == null) {
-          result.group = Collections.emptyList();
-        } else {
-          result.group = Collections.unmodifiableList(result.group);
-        }
-
-        final Field returnMe = result;
-        result = null;
-        return returnMe;
-      }
-
-      /** Discard the field's contents. */
-      public Builder clear() {
-        result = new Field();
-        return this;
-      }
-
-      /**
-       * Merge the values in {@code other} into this field.  For each list
-       * of values, {@code other}'s values are append to the ones in this
-       * field.
-       */
-      public Builder mergeFrom(final Field other) {
-        if (!other.varint.isEmpty()) {
-          if (result.varint == null) {
-            result.varint = new ArrayList<Long>();
-          }
-          result.varint.addAll(other.varint);
-        }
-        if (!other.fixed32.isEmpty()) {
-          if (result.fixed32 == null) {
-            result.fixed32 = new ArrayList<Integer>();
-          }
-          result.fixed32.addAll(other.fixed32);
-        }
-        if (!other.fixed64.isEmpty()) {
-          if (result.fixed64 == null) {
-            result.fixed64 = new ArrayList<Long>();
-          }
-          result.fixed64.addAll(other.fixed64);
-        }
-        if (!other.lengthDelimited.isEmpty()) {
-          if (result.lengthDelimited == null) {
-            result.lengthDelimited = new ArrayList<ByteString>();
-          }
-          result.lengthDelimited.addAll(other.lengthDelimited);
-        }
-        if (!other.group.isEmpty()) {
-          if (result.group == null) {
-            result.group = new ArrayList<UnknownFieldSet>();
-          }
-          result.group.addAll(other.group);
-        }
-        return this;
-      }
-
-      /** Add a varint value. */
-      public Builder addVarint(final long value) {
-        if (result.varint == null) {
-          result.varint = new ArrayList<Long>();
-        }
-        result.varint.add(value);
-        return this;
-      }
-
-      /** Add a fixed32 value. */
-      public Builder addFixed32(final int value) {
-        if (result.fixed32 == null) {
-          result.fixed32 = new ArrayList<Integer>();
-        }
-        result.fixed32.add(value);
-        return this;
-      }
-
-      /** Add a fixed64 value. */
-      public Builder addFixed64(final long value) {
-        if (result.fixed64 == null) {
-          result.fixed64 = new ArrayList<Long>();
-        }
-        result.fixed64.add(value);
-        return this;
-      }
-
-      /** Add a length-delimited value. */
-      public Builder addLengthDelimited(final ByteString value) {
-        if (result.lengthDelimited == null) {
-          result.lengthDelimited = new ArrayList<ByteString>();
-        }
-        result.lengthDelimited.add(value);
-        return this;
-      }
-
-      /** Add an embedded group. */
-      public Builder addGroup(final UnknownFieldSet value) {
-        if (result.group == null) {
-          result.group = new ArrayList<UnknownFieldSet>();
-        }
-        result.group.add(value);
-        return this;
-      }
-    }
-  }
-
-  /**
-   * Parser to implement MessageLite interface.
-   */
-  public static final class Parser extends AbstractParser<UnknownFieldSet> {
-    public UnknownFieldSet parsePartialFrom(
-        CodedInputStream input, ExtensionRegistryLite extensionRegistry)
-        throws InvalidProtocolBufferException {
-      Builder builder = newBuilder();
-      try {
-        builder.mergeFrom(input);
-      } catch (InvalidProtocolBufferException e) {
-        throw e.setUnfinishedMessage(builder.buildPartial());
-      } catch (IOException e) {
-        throw new InvalidProtocolBufferException(e.getMessage())
-            .setUnfinishedMessage(builder.buildPartial());
-      }
-      return builder.buildPartial();
-    }
-  }
-
-  private static final Parser PARSER = new Parser();
-  public final Parser getParserForType() {
-    return PARSER;
-  }
-}