MPModelProto.java

Go to the documentation of this file.

// Generated by the protocol buffer compiler.  DO NOT EDIT!
// NO CHECKED-IN PROTOBUF GENCODE
// source: ortools/linear_solver/linear_solver.proto
// Protobuf Java Version: 4.31.1
 
package com.google.ortools.linearsolver;

@com.google.protobuf.Generated
public final class MPModelProto extends
    com.google.protobuf.GeneratedMessage implements
    // @@protoc_insertion_point(message_implements:operations_research.MPModelProto)
    MPModelProtoOrBuilder {
private static final long serialVersionUID = 0L;
  static {
    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
      com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
      /* major= */ 4,
      /* minor= */ 31,
      /* patch= */ 1,
      /* suffix= */ "",
      MPModelProto.class.getName());
  }
  // Use MPModelProto.newBuilder() to construct.
  private MPModelProto(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
    super(builder);
  }
  private MPModelProto() {
    variable_ = java.util.Collections.emptyList();
    constraint_ = java.util.Collections.emptyList();
    generalConstraint_ = java.util.Collections.emptyList();
    name_ = "";
    annotation_ = java.util.Collections.emptyList();
  }
 
  public static final com.google.protobuf.Descriptors.Descriptor
      getDescriptor() {
    return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_descriptor;
  }
 
  @java.lang.Override
  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.ortools.linearsolver.MPModelProto.class, com.google.ortools.linearsolver.MPModelProto.Builder.class);
  }
 
  public interface AnnotationOrBuilder extends
      // @@protoc_insertion_point(interface_extends:operations_research.MPModelProto.Annotation)
      com.google.protobuf.MessageOrBuilder {

    boolean hasTargetType();
    com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType getTargetType();

    boolean hasTargetIndex();
    int getTargetIndex();

    boolean hasTargetName();
    java.lang.String getTargetName();
    com.google.protobuf.ByteString
        getTargetNameBytes();

    boolean hasPayloadKey();
    java.lang.String getPayloadKey();
    com.google.protobuf.ByteString
        getPayloadKeyBytes();

    boolean hasPayloadValue();
    java.lang.String getPayloadValue();
    com.google.protobuf.ByteString
        getPayloadValueBytes();
  }

  public static final class Annotation extends
      com.google.protobuf.GeneratedMessage implements
      // @@protoc_insertion_point(message_implements:operations_research.MPModelProto.Annotation)
      AnnotationOrBuilder {
  private static final long serialVersionUID = 0L;
    static {
      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
        /* major= */ 4,
        /* minor= */ 31,
        /* patch= */ 1,
        /* suffix= */ "",
        Annotation.class.getName());
    }
    // Use Annotation.newBuilder() to construct.
    private Annotation(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
      super(builder);
    }
    private Annotation() {
      targetType_ = 0;
      targetName_ = "";
      payloadKey_ = "";
      payloadValue_ = "";
    }
 
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_Annotation_descriptor;
    }
 
    @java.lang.Override
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_Annotation_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.ortools.linearsolver.MPModelProto.Annotation.class, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder.class);
    }

    public enum TargetType
        implements com.google.protobuf.ProtocolMessageEnum {
      VARIABLE_DEFAULT(0),
      CONSTRAINT(1),
      GENERAL_CONSTRAINT(2),
      ;
 
      static {
        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
          /* major= */ 4,
          /* minor= */ 31,
          /* patch= */ 1,
          /* suffix= */ "",
          TargetType.class.getName());
      }
      public static final int VARIABLE_DEFAULT_VALUE = 0;
      public static final int CONSTRAINT_VALUE = 1;
      public static final int GENERAL_CONSTRAINT_VALUE = 2;
 
 
      public final int getNumber() {
        return value;
      }

      @java.lang.Deprecated
      public static TargetType valueOf(int value) {
        return forNumber(value);
      }

      public static TargetType forNumber(int value) {
        switch (value) {
          case 0: return VARIABLE_DEFAULT;
          case 1: return CONSTRAINT;
          case 2: return GENERAL_CONSTRAINT;
          default: return null;
        }
      }
 
      public static com.google.protobuf.Internal.EnumLiteMap<TargetType>
          internalGetValueMap() {
        return internalValueMap;
      }
      private static final com.google.protobuf.Internal.EnumLiteMap<
          TargetType> internalValueMap =
            new com.google.protobuf.Internal.EnumLiteMap<TargetType>() {
              public TargetType findValueByNumber(int number) {
                return TargetType.forNumber(number);
              }
            };
 
      public final com.google.protobuf.Descriptors.EnumValueDescriptor
          getValueDescriptor() {
        return getDescriptor().getValues().get(ordinal());
      }
      public final com.google.protobuf.Descriptors.EnumDescriptor
          getDescriptorForType() {
        return getDescriptor();
      }
      public static com.google.protobuf.Descriptors.EnumDescriptor
          getDescriptor() {
        return com.google.ortools.linearsolver.MPModelProto.Annotation.getDescriptor().getEnumTypes().get(0);
      }
 
      private static final TargetType[] VALUES = values();
 
      public static TargetType valueOf(
          com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
        if (desc.getType() != getDescriptor()) {
          throw new java.lang.IllegalArgumentException(
            "EnumValueDescriptor is not for this type.");
        }
        return VALUES[desc.getIndex()];
      }
 
      private final int value;
 
      private TargetType(int value) {
        this.value = value;
      }
 
      // @@protoc_insertion_point(enum_scope:operations_research.MPModelProto.Annotation.TargetType)
    }
 
    private int bitField0_;
    public static final int TARGET_TYPE_FIELD_NUMBER = 1;
    private int targetType_ = 0;
    @java.lang.Override public boolean hasTargetType() {
      return ((bitField0_ & 0x00000001) != 0);
    }

    @java.lang.Override public com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType getTargetType() {
      com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType result = com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType.forNumber(targetType_);
      return result == null ? com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType.VARIABLE_DEFAULT : result;
    }
 
    public static final int TARGET_INDEX_FIELD_NUMBER = 2;
    private int targetIndex_ = 0;
    @java.lang.Override
    public boolean hasTargetIndex() {
      return ((bitField0_ & 0x00000002) != 0);
    }

    @java.lang.Override
    public int getTargetIndex() {
      return targetIndex_;
    }
 
    public static final int TARGET_NAME_FIELD_NUMBER = 3;
    @SuppressWarnings("serial")
    private volatile java.lang.Object targetName_ = "";
    @java.lang.Override
    public boolean hasTargetName() {
      return ((bitField0_ & 0x00000004) != 0);
    }

    @java.lang.Override
    public java.lang.String getTargetName() {
      java.lang.Object ref = targetName_;
      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()) {
          targetName_ = s;
        }
        return s;
      }
    }

    @java.lang.Override
    public com.google.protobuf.ByteString
        getTargetNameBytes() {
      java.lang.Object ref = targetName_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        targetName_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
 
    public static final int PAYLOAD_KEY_FIELD_NUMBER = 4;
    @SuppressWarnings("serial")
    private volatile java.lang.Object payloadKey_ = "";
    @java.lang.Override
    public boolean hasPayloadKey() {
      return ((bitField0_ & 0x00000008) != 0);
    }

    @java.lang.Override
    public java.lang.String getPayloadKey() {
      java.lang.Object ref = payloadKey_;
      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()) {
          payloadKey_ = s;
        }
        return s;
      }
    }

    @java.lang.Override
    public com.google.protobuf.ByteString
        getPayloadKeyBytes() {
      java.lang.Object ref = payloadKey_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        payloadKey_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
 
    public static final int PAYLOAD_VALUE_FIELD_NUMBER = 5;
    @SuppressWarnings("serial")
    private volatile java.lang.Object payloadValue_ = "";
    @java.lang.Override
    public boolean hasPayloadValue() {
      return ((bitField0_ & 0x00000010) != 0);
    }

    @java.lang.Override
    public java.lang.String getPayloadValue() {
      java.lang.Object ref = payloadValue_;
      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()) {
          payloadValue_ = s;
        }
        return s;
      }
    }

    @java.lang.Override
    public com.google.protobuf.ByteString
        getPayloadValueBytes() {
      java.lang.Object ref = payloadValue_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        payloadValue_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
 
    private byte memoizedIsInitialized = -1;
    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;
 
      memoizedIsInitialized = 1;
      return true;
    }
 
    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeEnum(1, targetType_);
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        output.writeInt32(2, targetIndex_);
      }
      if (((bitField0_ & 0x00000004) != 0)) {
        com.google.protobuf.GeneratedMessage.writeString(output, 3, targetName_);
      }
      if (((bitField0_ & 0x00000008) != 0)) {
        com.google.protobuf.GeneratedMessage.writeString(output, 4, payloadKey_);
      }
      if (((bitField0_ & 0x00000010) != 0)) {
        com.google.protobuf.GeneratedMessage.writeString(output, 5, payloadValue_);
      }
      getUnknownFields().writeTo(output);
    }
 
    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;
 
      size = 0;
      if (((bitField0_ & 0x00000001) != 0)) {
        size += com.google.protobuf.CodedOutputStream
          .computeEnumSize(1, targetType_);
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        size += com.google.protobuf.CodedOutputStream
          .computeInt32Size(2, targetIndex_);
      }
      if (((bitField0_ & 0x00000004) != 0)) {
        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, targetName_);
      }
      if (((bitField0_ & 0x00000008) != 0)) {
        size += com.google.protobuf.GeneratedMessage.computeStringSize(4, payloadKey_);
      }
      if (((bitField0_ & 0x00000010) != 0)) {
        size += com.google.protobuf.GeneratedMessage.computeStringSize(5, payloadValue_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
 
    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof com.google.ortools.linearsolver.MPModelProto.Annotation)) {
        return super.equals(obj);
      }
      com.google.ortools.linearsolver.MPModelProto.Annotation other = (com.google.ortools.linearsolver.MPModelProto.Annotation) obj;
 
      if (hasTargetType() != other.hasTargetType()) return false;
      if (hasTargetType()) {
        if (targetType_ != other.targetType_) return false;
      }
      if (hasTargetIndex() != other.hasTargetIndex()) return false;
      if (hasTargetIndex()) {
        if (getTargetIndex()
            != other.getTargetIndex()) return false;
      }
      if (hasTargetName() != other.hasTargetName()) return false;
      if (hasTargetName()) {
        if (!getTargetName()
            .equals(other.getTargetName())) return false;
      }
      if (hasPayloadKey() != other.hasPayloadKey()) return false;
      if (hasPayloadKey()) {
        if (!getPayloadKey()
            .equals(other.getPayloadKey())) return false;
      }
      if (hasPayloadValue() != other.hasPayloadValue()) return false;
      if (hasPayloadValue()) {
        if (!getPayloadValue()
            .equals(other.getPayloadValue())) return false;
      }
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }
 
    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (hasTargetType()) {
        hash = (37 * hash) + TARGET_TYPE_FIELD_NUMBER;
        hash = (53 * hash) + targetType_;
      }
      if (hasTargetIndex()) {
        hash = (37 * hash) + TARGET_INDEX_FIELD_NUMBER;
        hash = (53 * hash) + getTargetIndex();
      }
      if (hasTargetName()) {
        hash = (37 * hash) + TARGET_NAME_FIELD_NUMBER;
        hash = (53 * hash) + getTargetName().hashCode();
      }
      if (hasPayloadKey()) {
        hash = (37 * hash) + PAYLOAD_KEY_FIELD_NUMBER;
        hash = (53 * hash) + getPayloadKey().hashCode();
      }
      if (hasPayloadValue()) {
        hash = (37 * hash) + PAYLOAD_VALUE_FIELD_NUMBER;
        hash = (53 * hash) + getPayloadValue().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
 
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        java.nio.ByteBuffer data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        java.nio.ByteBuffer data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation 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.ortools.linearsolver.MPModelProto.Annotation parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input, extensionRegistry);
    }
 
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseDelimitedWithIOException(PARSER, input);
    }
 
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input);
    }
    public static com.google.ortools.linearsolver.MPModelProto.Annotation parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input, extensionRegistry);
    }
 
    @java.lang.Override
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }
    public static Builder newBuilder(com.google.ortools.linearsolver.MPModelProto.Annotation prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }
    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE
          ? new Builder() : new Builder().mergeFrom(this);
    }
 
    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }

    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
        // @@protoc_insertion_point(builder_implements:operations_research.MPModelProto.Annotation)
        com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_Annotation_descriptor;
      }
 
      @java.lang.Override
      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_Annotation_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.ortools.linearsolver.MPModelProto.Annotation.class, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder.class);
      }
 
      // Construct using com.google.ortools.linearsolver.MPModelProto.Annotation.newBuilder()
      private Builder() {
 
      }
 
      private Builder(
          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
        super(parent);
 
      }
      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        targetType_ = 0;
        targetIndex_ = 0;
        targetName_ = "";
        payloadKey_ = "";
        payloadValue_ = "";
        return this;
      }
 
      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_Annotation_descriptor;
      }
 
      @java.lang.Override
      public com.google.ortools.linearsolver.MPModelProto.Annotation getDefaultInstanceForType() {
        return com.google.ortools.linearsolver.MPModelProto.Annotation.getDefaultInstance();
      }
 
      @java.lang.Override
      public com.google.ortools.linearsolver.MPModelProto.Annotation build() {
        com.google.ortools.linearsolver.MPModelProto.Annotation result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
 
      @java.lang.Override
      public com.google.ortools.linearsolver.MPModelProto.Annotation buildPartial() {
        com.google.ortools.linearsolver.MPModelProto.Annotation result = new com.google.ortools.linearsolver.MPModelProto.Annotation(this);
        if (bitField0_ != 0) { buildPartial0(result); }
        onBuilt();
        return result;
      }
 
      private void buildPartial0(com.google.ortools.linearsolver.MPModelProto.Annotation result) {
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.targetType_ = targetType_;
          to_bitField0_ |= 0x00000001;
        }
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.targetIndex_ = targetIndex_;
          to_bitField0_ |= 0x00000002;
        }
        if (((from_bitField0_ & 0x00000004) != 0)) {
          result.targetName_ = targetName_;
          to_bitField0_ |= 0x00000004;
        }
        if (((from_bitField0_ & 0x00000008) != 0)) {
          result.payloadKey_ = payloadKey_;
          to_bitField0_ |= 0x00000008;
        }
        if (((from_bitField0_ & 0x00000010) != 0)) {
          result.payloadValue_ = payloadValue_;
          to_bitField0_ |= 0x00000010;
        }
        result.bitField0_ |= to_bitField0_;
      }
 
      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.google.ortools.linearsolver.MPModelProto.Annotation) {
          return mergeFrom((com.google.ortools.linearsolver.MPModelProto.Annotation)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
 
      public Builder mergeFrom(com.google.ortools.linearsolver.MPModelProto.Annotation other) {
        if (other == com.google.ortools.linearsolver.MPModelProto.Annotation.getDefaultInstance()) return this;
        if (other.hasTargetType()) {
          setTargetType(other.getTargetType());
        }
        if (other.hasTargetIndex()) {
          setTargetIndex(other.getTargetIndex());
        }
        if (other.hasTargetName()) {
          targetName_ = other.targetName_;
          bitField0_ |= 0x00000004;
          onChanged();
        }
        if (other.hasPayloadKey()) {
          payloadKey_ = other.payloadKey_;
          bitField0_ |= 0x00000008;
          onChanged();
        }
        if (other.hasPayloadValue()) {
          payloadValue_ = other.payloadValue_;
          bitField0_ |= 0x00000010;
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
 
      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }
 
      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 8: {
                int tmpRaw = input.readEnum();
                com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType tmpValue =
                    com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType.forNumber(tmpRaw);
                if (tmpValue == null) {
                  mergeUnknownVarintField(1, tmpRaw);
                } else {
                  targetType_ = tmpRaw;
                  bitField0_ |= 0x00000001;
                }
                break;
              } // case 8
              case 16: {
                targetIndex_ = input.readInt32();
                bitField0_ |= 0x00000002;
                break;
              } // case 16
              case 26: {
                targetName_ = input.readBytes();
                bitField0_ |= 0x00000004;
                break;
              } // case 26
              case 34: {
                payloadKey_ = input.readBytes();
                bitField0_ |= 0x00000008;
                break;
              } // case 34
              case 42: {
                payloadValue_ = input.readBytes();
                bitField0_ |= 0x00000010;
                break;
              } // case 42
              default: {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }
      private int bitField0_;
 
      private int targetType_ = 0;
      @java.lang.Override public boolean hasTargetType() {
        return ((bitField0_ & 0x00000001) != 0);
      }

      @java.lang.Override
      public com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType getTargetType() {
        com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType result = com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType.forNumber(targetType_);
        return result == null ? com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType.VARIABLE_DEFAULT : result;
      }

      public Builder setTargetType(com.google.ortools.linearsolver.MPModelProto.Annotation.TargetType value) {
        if (value == null) { throw new NullPointerException(); }
        bitField0_ |= 0x00000001;
        targetType_ = value.getNumber();
        onChanged();
        return this;
      }

      public Builder clearTargetType() {
        bitField0_ = (bitField0_ & ~0x00000001);
        targetType_ = 0;
        onChanged();
        return this;
      }
 
      private int targetIndex_ ;
      @java.lang.Override
      public boolean hasTargetIndex() {
        return ((bitField0_ & 0x00000002) != 0);
      }

      @java.lang.Override
      public int getTargetIndex() {
        return targetIndex_;
      }

      public Builder setTargetIndex(int value) {
 
        targetIndex_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }

      public Builder clearTargetIndex() {
        bitField0_ = (bitField0_ & ~0x00000002);
        targetIndex_ = 0;
        onChanged();
        return this;
      }
 
      private java.lang.Object targetName_ = "";
      public boolean hasTargetName() {
        return ((bitField0_ & 0x00000004) != 0);
      }

      public java.lang.String getTargetName() {
        java.lang.Object ref = targetName_;
        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()) {
            targetName_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }

      public com.google.protobuf.ByteString
          getTargetNameBytes() {
        java.lang.Object ref = targetName_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          targetName_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      public Builder setTargetName(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        targetName_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }

      public Builder clearTargetName() {
        targetName_ = getDefaultInstance().getTargetName();
        bitField0_ = (bitField0_ & ~0x00000004);
        onChanged();
        return this;
      }

      public Builder setTargetNameBytes(
          com.google.protobuf.ByteString value) {
        if (value == null) { throw new NullPointerException(); }
        targetName_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }
 
      private java.lang.Object payloadKey_ = "";
      public boolean hasPayloadKey() {
        return ((bitField0_ & 0x00000008) != 0);
      }

      public java.lang.String getPayloadKey() {
        java.lang.Object ref = payloadKey_;
        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()) {
            payloadKey_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }

      public com.google.protobuf.ByteString
          getPayloadKeyBytes() {
        java.lang.Object ref = payloadKey_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          payloadKey_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      public Builder setPayloadKey(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        payloadKey_ = value;
        bitField0_ |= 0x00000008;
        onChanged();
        return this;
      }

      public Builder clearPayloadKey() {
        payloadKey_ = getDefaultInstance().getPayloadKey();
        bitField0_ = (bitField0_ & ~0x00000008);
        onChanged();
        return this;
      }

      public Builder setPayloadKeyBytes(
          com.google.protobuf.ByteString value) {
        if (value == null) { throw new NullPointerException(); }
        payloadKey_ = value;
        bitField0_ |= 0x00000008;
        onChanged();
        return this;
      }
 
      private java.lang.Object payloadValue_ = "";
      public boolean hasPayloadValue() {
        return ((bitField0_ & 0x00000010) != 0);
      }

      public java.lang.String getPayloadValue() {
        java.lang.Object ref = payloadValue_;
        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()) {
            payloadValue_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }

      public com.google.protobuf.ByteString
          getPayloadValueBytes() {
        java.lang.Object ref = payloadValue_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          payloadValue_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      public Builder setPayloadValue(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        payloadValue_ = value;
        bitField0_ |= 0x00000010;
        onChanged();
        return this;
      }

      public Builder clearPayloadValue() {
        payloadValue_ = getDefaultInstance().getPayloadValue();
        bitField0_ = (bitField0_ & ~0x00000010);
        onChanged();
        return this;
      }

      public Builder setPayloadValueBytes(
          com.google.protobuf.ByteString value) {
        if (value == null) { throw new NullPointerException(); }
        payloadValue_ = value;
        bitField0_ |= 0x00000010;
        onChanged();
        return this;
      }
 
      // @@protoc_insertion_point(builder_scope:operations_research.MPModelProto.Annotation)
    }
 
    // @@protoc_insertion_point(class_scope:operations_research.MPModelProto.Annotation)
    private static final com.google.ortools.linearsolver.MPModelProto.Annotation DEFAULT_INSTANCE;
    static {
      DEFAULT_INSTANCE = new com.google.ortools.linearsolver.MPModelProto.Annotation();
    }
 
    public static com.google.ortools.linearsolver.MPModelProto.Annotation getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }
 
    private static final com.google.protobuf.Parser<Annotation>
        PARSER = new com.google.protobuf.AbstractParser<Annotation>() {
      @java.lang.Override
      public Annotation 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 (com.google.protobuf.UninitializedMessageException e) {
          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
        } catch (java.io.IOException e) {
          throw new com.google.protobuf.InvalidProtocolBufferException(e)
              .setUnfinishedMessage(builder.buildPartial());
        }
        return builder.buildPartial();
      }
    };
 
    public static com.google.protobuf.Parser<Annotation> parser() {
      return PARSER;
    }
 
    @java.lang.Override
    public com.google.protobuf.Parser<Annotation> getParserForType() {
      return PARSER;
    }
 
    @java.lang.Override
    public com.google.ortools.linearsolver.MPModelProto.Annotation getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
 
  }
 
  private int bitField0_;
  public static final int VARIABLE_FIELD_NUMBER = 3;
  @SuppressWarnings("serial")
  private java.util.List<com.google.ortools.linearsolver.MPVariableProto> variable_;
  @java.lang.Override
  public java.util.List<com.google.ortools.linearsolver.MPVariableProto> getVariableList() {
    return variable_;
  }

  @java.lang.Override
  public java.util.List<? extends com.google.ortools.linearsolver.MPVariableProtoOrBuilder> 
      getVariableOrBuilderList() {
    return variable_;
  }

  @java.lang.Override
  public int getVariableCount() {
    return variable_.size();
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPVariableProto getVariable(int index) {
    return variable_.get(index);
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPVariableProtoOrBuilder getVariableOrBuilder(
      int index) {
    return variable_.get(index);
  }
 
  public static final int CONSTRAINT_FIELD_NUMBER = 4;
  @SuppressWarnings("serial")
  private java.util.List<com.google.ortools.linearsolver.MPConstraintProto> constraint_;
  @java.lang.Override
  public java.util.List<com.google.ortools.linearsolver.MPConstraintProto> getConstraintList() {
    return constraint_;
  }

  @java.lang.Override
  public java.util.List<? extends com.google.ortools.linearsolver.MPConstraintProtoOrBuilder> 
      getConstraintOrBuilderList() {
    return constraint_;
  }

  @java.lang.Override
  public int getConstraintCount() {
    return constraint_.size();
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPConstraintProto getConstraint(int index) {
    return constraint_.get(index);
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPConstraintProtoOrBuilder getConstraintOrBuilder(
      int index) {
    return constraint_.get(index);
  }
 
  public static final int GENERAL_CONSTRAINT_FIELD_NUMBER = 7;
  @SuppressWarnings("serial")
  private java.util.List<com.google.ortools.linearsolver.MPGeneralConstraintProto> generalConstraint_;
  @java.lang.Override
  public java.util.List<com.google.ortools.linearsolver.MPGeneralConstraintProto> getGeneralConstraintList() {
    return generalConstraint_;
  }

  @java.lang.Override
  public java.util.List<? extends com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder> 
      getGeneralConstraintOrBuilderList() {
    return generalConstraint_;
  }

  @java.lang.Override
  public int getGeneralConstraintCount() {
    return generalConstraint_.size();
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPGeneralConstraintProto getGeneralConstraint(int index) {
    return generalConstraint_.get(index);
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder getGeneralConstraintOrBuilder(
      int index) {
    return generalConstraint_.get(index);
  }
 
  public static final int MAXIMIZE_FIELD_NUMBER = 1;
  private boolean maximize_ = false;
  @java.lang.Override
  public boolean hasMaximize() {
    return ((bitField0_ & 0x00000001) != 0);
  }

  @java.lang.Override
  public boolean getMaximize() {
    return maximize_;
  }
 
  public static final int OBJECTIVE_OFFSET_FIELD_NUMBER = 2;
  private double objectiveOffset_ = 0D;
  @java.lang.Override
  public boolean hasObjectiveOffset() {
    return ((bitField0_ & 0x00000002) != 0);
  }

  @java.lang.Override
  public double getObjectiveOffset() {
    return objectiveOffset_;
  }
 
  public static final int QUADRATIC_OBJECTIVE_FIELD_NUMBER = 8;
  private com.google.ortools.linearsolver.MPQuadraticObjective quadraticObjective_;
  @java.lang.Override
  public boolean hasQuadraticObjective() {
    return ((bitField0_ & 0x00000004) != 0);
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPQuadraticObjective getQuadraticObjective() {
    return quadraticObjective_ == null ? com.google.ortools.linearsolver.MPQuadraticObjective.getDefaultInstance() : quadraticObjective_;
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPQuadraticObjectiveOrBuilder getQuadraticObjectiveOrBuilder() {
    return quadraticObjective_ == null ? com.google.ortools.linearsolver.MPQuadraticObjective.getDefaultInstance() : quadraticObjective_;
  }
 
  public static final int NAME_FIELD_NUMBER = 5;
  @SuppressWarnings("serial")
  private volatile java.lang.Object name_ = "";
  @java.lang.Override
  public boolean hasName() {
    return ((bitField0_ & 0x00000008) != 0);
  }

  @java.lang.Override
  public java.lang.String getName() {
    java.lang.Object ref = name_;
    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()) {
        name_ = s;
      }
      return s;
    }
  }

  @java.lang.Override
  public com.google.protobuf.ByteString
      getNameBytes() {
    java.lang.Object ref = name_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b = 
          com.google.protobuf.ByteString.copyFromUtf8(
              (java.lang.String) ref);
      name_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
 
  public static final int SOLUTION_HINT_FIELD_NUMBER = 6;
  private com.google.ortools.linearsolver.PartialVariableAssignment solutionHint_;
  @java.lang.Override
  public boolean hasSolutionHint() {
    return ((bitField0_ & 0x00000010) != 0);
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.PartialVariableAssignment getSolutionHint() {
    return solutionHint_ == null ? com.google.ortools.linearsolver.PartialVariableAssignment.getDefaultInstance() : solutionHint_;
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.PartialVariableAssignmentOrBuilder getSolutionHintOrBuilder() {
    return solutionHint_ == null ? com.google.ortools.linearsolver.PartialVariableAssignment.getDefaultInstance() : solutionHint_;
  }
 
  public static final int ANNOTATION_FIELD_NUMBER = 9;
  @SuppressWarnings("serial")
  private java.util.List<com.google.ortools.linearsolver.MPModelProto.Annotation> annotation_;
  @java.lang.Override
  public java.util.List<com.google.ortools.linearsolver.MPModelProto.Annotation> getAnnotationList() {
    return annotation_;
  }

  @java.lang.Override
  public java.util.List<? extends com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder> 
      getAnnotationOrBuilderList() {
    return annotation_;
  }

  @java.lang.Override
  public int getAnnotationCount() {
    return annotation_.size();
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPModelProto.Annotation getAnnotation(int index) {
    return annotation_.get(index);
  }

  @java.lang.Override
  public com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder getAnnotationOrBuilder(
      int index) {
    return annotation_.get(index);
  }
 
  private byte memoizedIsInitialized = -1;
  @java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;
 
    memoizedIsInitialized = 1;
    return true;
  }
 
  @java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output)
                      throws java.io.IOException {
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeBool(1, maximize_);
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeDouble(2, objectiveOffset_);
    }
    for (int i = 0; i < variable_.size(); i++) {
      output.writeMessage(3, variable_.get(i));
    }
    for (int i = 0; i < constraint_.size(); i++) {
      output.writeMessage(4, constraint_.get(i));
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      com.google.protobuf.GeneratedMessage.writeString(output, 5, name_);
    }
    if (((bitField0_ & 0x00000010) != 0)) {
      output.writeMessage(6, getSolutionHint());
    }
    for (int i = 0; i < generalConstraint_.size(); i++) {
      output.writeMessage(7, generalConstraint_.get(i));
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      output.writeMessage(8, getQuadraticObjective());
    }
    for (int i = 0; i < annotation_.size(); i++) {
      output.writeMessage(9, annotation_.get(i));
    }
    getUnknownFields().writeTo(output);
  }
 
  @java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;
 
    size = 0;
    if (((bitField0_ & 0x00000001) != 0)) {
      size += com.google.protobuf.CodedOutputStream
        .computeBoolSize(1, maximize_);
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      size += com.google.protobuf.CodedOutputStream
        .computeDoubleSize(2, objectiveOffset_);
    }
    for (int i = 0; i < variable_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(3, variable_.get(i));
    }
    for (int i = 0; i < constraint_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(4, constraint_.get(i));
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      size += com.google.protobuf.GeneratedMessage.computeStringSize(5, name_);
    }
    if (((bitField0_ & 0x00000010) != 0)) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(6, getSolutionHint());
    }
    for (int i = 0; i < generalConstraint_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(7, generalConstraint_.get(i));
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(8, getQuadraticObjective());
    }
    for (int i = 0; i < annotation_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(9, annotation_.get(i));
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
 
  @java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
     return true;
    }
    if (!(obj instanceof com.google.ortools.linearsolver.MPModelProto)) {
      return super.equals(obj);
    }
    com.google.ortools.linearsolver.MPModelProto other = (com.google.ortools.linearsolver.MPModelProto) obj;
 
    if (!getVariableList()
        .equals(other.getVariableList())) return false;
    if (!getConstraintList()
        .equals(other.getConstraintList())) return false;
    if (!getGeneralConstraintList()
        .equals(other.getGeneralConstraintList())) return false;
    if (hasMaximize() != other.hasMaximize()) return false;
    if (hasMaximize()) {
      if (getMaximize()
          != other.getMaximize()) return false;
    }
    if (hasObjectiveOffset() != other.hasObjectiveOffset()) return false;
    if (hasObjectiveOffset()) {
      if (java.lang.Double.doubleToLongBits(getObjectiveOffset())
          != java.lang.Double.doubleToLongBits(
              other.getObjectiveOffset())) return false;
    }
    if (hasQuadraticObjective() != other.hasQuadraticObjective()) return false;
    if (hasQuadraticObjective()) {
      if (!getQuadraticObjective()
          .equals(other.getQuadraticObjective())) return false;
    }
    if (hasName() != other.hasName()) return false;
    if (hasName()) {
      if (!getName()
          .equals(other.getName())) return false;
    }
    if (hasSolutionHint() != other.hasSolutionHint()) return false;
    if (hasSolutionHint()) {
      if (!getSolutionHint()
          .equals(other.getSolutionHint())) return false;
    }
    if (!getAnnotationList()
        .equals(other.getAnnotationList())) return false;
    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
    return true;
  }
 
  @java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (getVariableCount() > 0) {
      hash = (37 * hash) + VARIABLE_FIELD_NUMBER;
      hash = (53 * hash) + getVariableList().hashCode();
    }
    if (getConstraintCount() > 0) {
      hash = (37 * hash) + CONSTRAINT_FIELD_NUMBER;
      hash = (53 * hash) + getConstraintList().hashCode();
    }
    if (getGeneralConstraintCount() > 0) {
      hash = (37 * hash) + GENERAL_CONSTRAINT_FIELD_NUMBER;
      hash = (53 * hash) + getGeneralConstraintList().hashCode();
    }
    if (hasMaximize()) {
      hash = (37 * hash) + MAXIMIZE_FIELD_NUMBER;
      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
          getMaximize());
    }
    if (hasObjectiveOffset()) {
      hash = (37 * hash) + OBJECTIVE_OFFSET_FIELD_NUMBER;
      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
          java.lang.Double.doubleToLongBits(getObjectiveOffset()));
    }
    if (hasQuadraticObjective()) {
      hash = (37 * hash) + QUADRATIC_OBJECTIVE_FIELD_NUMBER;
      hash = (53 * hash) + getQuadraticObjective().hashCode();
    }
    if (hasName()) {
      hash = (37 * hash) + NAME_FIELD_NUMBER;
      hash = (53 * hash) + getName().hashCode();
    }
    if (hasSolutionHint()) {
      hash = (37 * hash) + SOLUTION_HINT_FIELD_NUMBER;
      hash = (53 * hash) + getSolutionHint().hashCode();
    }
    if (getAnnotationCount() > 0) {
      hash = (37 * hash) + ANNOTATION_FIELD_NUMBER;
      hash = (53 * hash) + getAnnotationList().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
 
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      java.nio.ByteBuffer data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      java.nio.ByteBuffer data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
  public static com.google.ortools.linearsolver.MPModelProto 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.ortools.linearsolver.MPModelProto parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      byte[] data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessage
        .parseWithIOException(PARSER, input);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      java.io.InputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessage
        .parseWithIOException(PARSER, input, extensionRegistry);
  }
 
  public static com.google.ortools.linearsolver.MPModelProto parseDelimitedFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessage
        .parseDelimitedWithIOException(PARSER, input);
  }
 
  public static com.google.ortools.linearsolver.MPModelProto parseDelimitedFrom(
      java.io.InputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessage
        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      com.google.protobuf.CodedInputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessage
        .parseWithIOException(PARSER, input);
  }
  public static com.google.ortools.linearsolver.MPModelProto parseFrom(
      com.google.protobuf.CodedInputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessage
        .parseWithIOException(PARSER, input, extensionRegistry);
  }
 
  @java.lang.Override
  public Builder newBuilderForType() { return newBuilder(); }
  public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }
  public static Builder newBuilder(com.google.ortools.linearsolver.MPModelProto prototype) {
    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }
  @java.lang.Override
  public Builder toBuilder() {
    return this == DEFAULT_INSTANCE
        ? new Builder() : new Builder().mergeFrom(this);
  }
 
  @java.lang.Override
  protected Builder newBuilderForType(
      com.google.protobuf.GeneratedMessage.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }

  public static final class Builder extends
      com.google.protobuf.GeneratedMessage.Builder<Builder> implements
      // @@protoc_insertion_point(builder_implements:operations_research.MPModelProto)
      com.google.ortools.linearsolver.MPModelProtoOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_descriptor;
    }
 
    @java.lang.Override
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.ortools.linearsolver.MPModelProto.class, com.google.ortools.linearsolver.MPModelProto.Builder.class);
    }
 
    // Construct using com.google.ortools.linearsolver.MPModelProto.newBuilder()
    private Builder() {
      maybeForceBuilderInitialization();
    }
 
    private Builder(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      super(parent);
      maybeForceBuilderInitialization();
    }
    private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessage
              .alwaysUseFieldBuilders) {
        internalGetVariableFieldBuilder();
        internalGetConstraintFieldBuilder();
        internalGetGeneralConstraintFieldBuilder();
        internalGetQuadraticObjectiveFieldBuilder();
        internalGetSolutionHintFieldBuilder();
        internalGetAnnotationFieldBuilder();
      }
    }
    @java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (variableBuilder_ == null) {
        variable_ = java.util.Collections.emptyList();
      } else {
        variable_ = null;
        variableBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000001);
      if (constraintBuilder_ == null) {
        constraint_ = java.util.Collections.emptyList();
      } else {
        constraint_ = null;
        constraintBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000002);
      if (generalConstraintBuilder_ == null) {
        generalConstraint_ = java.util.Collections.emptyList();
      } else {
        generalConstraint_ = null;
        generalConstraintBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000004);
      maximize_ = false;
      objectiveOffset_ = 0D;
      quadraticObjective_ = null;
      if (quadraticObjectiveBuilder_ != null) {
        quadraticObjectiveBuilder_.dispose();
        quadraticObjectiveBuilder_ = null;
      }
      name_ = "";
      solutionHint_ = null;
      if (solutionHintBuilder_ != null) {
        solutionHintBuilder_.dispose();
        solutionHintBuilder_ = null;
      }
      if (annotationBuilder_ == null) {
        annotation_ = java.util.Collections.emptyList();
      } else {
        annotation_ = null;
        annotationBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000100);
      return this;
    }
 
    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor
        getDescriptorForType() {
      return com.google.ortools.linearsolver.LinearSolver.internal_static_operations_research_MPModelProto_descriptor;
    }
 
    @java.lang.Override
    public com.google.ortools.linearsolver.MPModelProto getDefaultInstanceForType() {
      return com.google.ortools.linearsolver.MPModelProto.getDefaultInstance();
    }
 
    @java.lang.Override
    public com.google.ortools.linearsolver.MPModelProto build() {
      com.google.ortools.linearsolver.MPModelProto result = buildPartial();
      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }
 
    @java.lang.Override
    public com.google.ortools.linearsolver.MPModelProto buildPartial() {
      com.google.ortools.linearsolver.MPModelProto result = new com.google.ortools.linearsolver.MPModelProto(this);
      buildPartialRepeatedFields(result);
      if (bitField0_ != 0) { buildPartial0(result); }
      onBuilt();
      return result;
    }
 
    private void buildPartialRepeatedFields(com.google.ortools.linearsolver.MPModelProto result) {
      if (variableBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)) {
          variable_ = java.util.Collections.unmodifiableList(variable_);
          bitField0_ = (bitField0_ & ~0x00000001);
        }
        result.variable_ = variable_;
      } else {
        result.variable_ = variableBuilder_.build();
      }
      if (constraintBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)) {
          constraint_ = java.util.Collections.unmodifiableList(constraint_);
          bitField0_ = (bitField0_ & ~0x00000002);
        }
        result.constraint_ = constraint_;
      } else {
        result.constraint_ = constraintBuilder_.build();
      }
      if (generalConstraintBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)) {
          generalConstraint_ = java.util.Collections.unmodifiableList(generalConstraint_);
          bitField0_ = (bitField0_ & ~0x00000004);
        }
        result.generalConstraint_ = generalConstraint_;
      } else {
        result.generalConstraint_ = generalConstraintBuilder_.build();
      }
      if (annotationBuilder_ == null) {
        if (((bitField0_ & 0x00000100) != 0)) {
          annotation_ = java.util.Collections.unmodifiableList(annotation_);
          bitField0_ = (bitField0_ & ~0x00000100);
        }
        result.annotation_ = annotation_;
      } else {
        result.annotation_ = annotationBuilder_.build();
      }
    }
 
    private void buildPartial0(com.google.ortools.linearsolver.MPModelProto result) {
      int from_bitField0_ = bitField0_;
      int to_bitField0_ = 0;
      if (((from_bitField0_ & 0x00000008) != 0)) {
        result.maximize_ = maximize_;
        to_bitField0_ |= 0x00000001;
      }
      if (((from_bitField0_ & 0x00000010) != 0)) {
        result.objectiveOffset_ = objectiveOffset_;
        to_bitField0_ |= 0x00000002;
      }
      if (((from_bitField0_ & 0x00000020) != 0)) {
        result.quadraticObjective_ = quadraticObjectiveBuilder_ == null
            ? quadraticObjective_
            : quadraticObjectiveBuilder_.build();
        to_bitField0_ |= 0x00000004;
      }
      if (((from_bitField0_ & 0x00000040) != 0)) {
        result.name_ = name_;
        to_bitField0_ |= 0x00000008;
      }
      if (((from_bitField0_ & 0x00000080) != 0)) {
        result.solutionHint_ = solutionHintBuilder_ == null
            ? solutionHint_
            : solutionHintBuilder_.build();
        to_bitField0_ |= 0x00000010;
      }
      result.bitField0_ |= to_bitField0_;
    }
 
    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.ortools.linearsolver.MPModelProto) {
        return mergeFrom((com.google.ortools.linearsolver.MPModelProto)other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }
 
    public Builder mergeFrom(com.google.ortools.linearsolver.MPModelProto other) {
      if (other == com.google.ortools.linearsolver.MPModelProto.getDefaultInstance()) return this;
      if (variableBuilder_ == null) {
        if (!other.variable_.isEmpty()) {
          if (variable_.isEmpty()) {
            variable_ = other.variable_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureVariableIsMutable();
            variable_.addAll(other.variable_);
          }
          onChanged();
        }
      } else {
        if (!other.variable_.isEmpty()) {
          if (variableBuilder_.isEmpty()) {
            variableBuilder_.dispose();
            variableBuilder_ = null;
            variable_ = other.variable_;
            bitField0_ = (bitField0_ & ~0x00000001);
            variableBuilder_ = 
              com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                 internalGetVariableFieldBuilder() : null;
          } else {
            variableBuilder_.addAllMessages(other.variable_);
          }
        }
      }
      if (constraintBuilder_ == null) {
        if (!other.constraint_.isEmpty()) {
          if (constraint_.isEmpty()) {
            constraint_ = other.constraint_;
            bitField0_ = (bitField0_ & ~0x00000002);
          } else {
            ensureConstraintIsMutable();
            constraint_.addAll(other.constraint_);
          }
          onChanged();
        }
      } else {
        if (!other.constraint_.isEmpty()) {
          if (constraintBuilder_.isEmpty()) {
            constraintBuilder_.dispose();
            constraintBuilder_ = null;
            constraint_ = other.constraint_;
            bitField0_ = (bitField0_ & ~0x00000002);
            constraintBuilder_ = 
              com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                 internalGetConstraintFieldBuilder() : null;
          } else {
            constraintBuilder_.addAllMessages(other.constraint_);
          }
        }
      }
      if (generalConstraintBuilder_ == null) {
        if (!other.generalConstraint_.isEmpty()) {
          if (generalConstraint_.isEmpty()) {
            generalConstraint_ = other.generalConstraint_;
            bitField0_ = (bitField0_ & ~0x00000004);
          } else {
            ensureGeneralConstraintIsMutable();
            generalConstraint_.addAll(other.generalConstraint_);
          }
          onChanged();
        }
      } else {
        if (!other.generalConstraint_.isEmpty()) {
          if (generalConstraintBuilder_.isEmpty()) {
            generalConstraintBuilder_.dispose();
            generalConstraintBuilder_ = null;
            generalConstraint_ = other.generalConstraint_;
            bitField0_ = (bitField0_ & ~0x00000004);
            generalConstraintBuilder_ = 
              com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                 internalGetGeneralConstraintFieldBuilder() : null;
          } else {
            generalConstraintBuilder_.addAllMessages(other.generalConstraint_);
          }
        }
      }
      if (other.hasMaximize()) {
        setMaximize(other.getMaximize());
      }
      if (other.hasObjectiveOffset()) {
        setObjectiveOffset(other.getObjectiveOffset());
      }
      if (other.hasQuadraticObjective()) {
        mergeQuadraticObjective(other.getQuadraticObjective());
      }
      if (other.hasName()) {
        name_ = other.name_;
        bitField0_ |= 0x00000040;
        onChanged();
      }
      if (other.hasSolutionHint()) {
        mergeSolutionHint(other.getSolutionHint());
      }
      if (annotationBuilder_ == null) {
        if (!other.annotation_.isEmpty()) {
          if (annotation_.isEmpty()) {
            annotation_ = other.annotation_;
            bitField0_ = (bitField0_ & ~0x00000100);
          } else {
            ensureAnnotationIsMutable();
            annotation_.addAll(other.annotation_);
          }
          onChanged();
        }
      } else {
        if (!other.annotation_.isEmpty()) {
          if (annotationBuilder_.isEmpty()) {
            annotationBuilder_.dispose();
            annotationBuilder_ = null;
            annotation_ = other.annotation_;
            bitField0_ = (bitField0_ & ~0x00000100);
            annotationBuilder_ = 
              com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                 internalGetAnnotationFieldBuilder() : null;
          } else {
            annotationBuilder_.addAllMessages(other.annotation_);
          }
        }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
 
    @java.lang.Override
    public final boolean isInitialized() {
      return true;
    }
 
    @java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 8: {
              maximize_ = input.readBool();
              bitField0_ |= 0x00000008;
              break;
            } // case 8
            case 17: {
              objectiveOffset_ = input.readDouble();
              bitField0_ |= 0x00000010;
              break;
            } // case 17
            case 26: {
              com.google.ortools.linearsolver.MPVariableProto m =
                  input.readMessage(
                      com.google.ortools.linearsolver.MPVariableProto.parser(),
                      extensionRegistry);
              if (variableBuilder_ == null) {
                ensureVariableIsMutable();
                variable_.add(m);
              } else {
                variableBuilder_.addMessage(m);
              }
              break;
            } // case 26
            case 34: {
              com.google.ortools.linearsolver.MPConstraintProto m =
                  input.readMessage(
                      com.google.ortools.linearsolver.MPConstraintProto.parser(),
                      extensionRegistry);
              if (constraintBuilder_ == null) {
                ensureConstraintIsMutable();
                constraint_.add(m);
              } else {
                constraintBuilder_.addMessage(m);
              }
              break;
            } // case 34
            case 42: {
              name_ = input.readBytes();
              bitField0_ |= 0x00000040;
              break;
            } // case 42
            case 50: {
              input.readMessage(
                  internalGetSolutionHintFieldBuilder().getBuilder(),
                  extensionRegistry);
              bitField0_ |= 0x00000080;
              break;
            } // case 50
            case 58: {
              com.google.ortools.linearsolver.MPGeneralConstraintProto m =
                  input.readMessage(
                      com.google.ortools.linearsolver.MPGeneralConstraintProto.parser(),
                      extensionRegistry);
              if (generalConstraintBuilder_ == null) {
                ensureGeneralConstraintIsMutable();
                generalConstraint_.add(m);
              } else {
                generalConstraintBuilder_.addMessage(m);
              }
              break;
            } // case 58
            case 66: {
              input.readMessage(
                  internalGetQuadraticObjectiveFieldBuilder().getBuilder(),
                  extensionRegistry);
              bitField0_ |= 0x00000020;
              break;
            } // case 66
            case 74: {
              com.google.ortools.linearsolver.MPModelProto.Annotation m =
                  input.readMessage(
                      com.google.ortools.linearsolver.MPModelProto.Annotation.parser(),
                      extensionRegistry);
              if (annotationBuilder_ == null) {
                ensureAnnotationIsMutable();
                annotation_.add(m);
              } else {
                annotationBuilder_.addMessage(m);
              }
              break;
            } // case 74
            default: {
              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                done = true; // was an endgroup tag
              }
              break;
            } // default:
          } // switch (tag)
        } // while (!done)
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.unwrapIOException();
      } finally {
        onChanged();
      } // finally
      return this;
    }
    private int bitField0_;
 
    private java.util.List<com.google.ortools.linearsolver.MPVariableProto> variable_ =
      java.util.Collections.emptyList();
    private void ensureVariableIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        variable_ = new java.util.ArrayList<com.google.ortools.linearsolver.MPVariableProto>(variable_);
        bitField0_ |= 0x00000001;
       }
    }
 
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPVariableProto, com.google.ortools.linearsolver.MPVariableProto.Builder, com.google.ortools.linearsolver.MPVariableProtoOrBuilder> variableBuilder_;

    public java.util.List<com.google.ortools.linearsolver.MPVariableProto> getVariableList() {
      if (variableBuilder_ == null) {
        return java.util.Collections.unmodifiableList(variable_);
      } else {
        return variableBuilder_.getMessageList();
      }
    }

    public int getVariableCount() {
      if (variableBuilder_ == null) {
        return variable_.size();
      } else {
        return variableBuilder_.getCount();
      }
    }

    public com.google.ortools.linearsolver.MPVariableProto getVariable(int index) {
      if (variableBuilder_ == null) {
        return variable_.get(index);
      } else {
        return variableBuilder_.getMessage(index);
      }
    }

    public Builder setVariable(
        int index, com.google.ortools.linearsolver.MPVariableProto value) {
      if (variableBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureVariableIsMutable();
        variable_.set(index, value);
        onChanged();
      } else {
        variableBuilder_.setMessage(index, value);
      }
      return this;
    }

    public Builder setVariable(
        int index, com.google.ortools.linearsolver.MPVariableProto.Builder builderForValue) {
      if (variableBuilder_ == null) {
        ensureVariableIsMutable();
        variable_.set(index, builderForValue.build());
        onChanged();
      } else {
        variableBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addVariable(com.google.ortools.linearsolver.MPVariableProto value) {
      if (variableBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureVariableIsMutable();
        variable_.add(value);
        onChanged();
      } else {
        variableBuilder_.addMessage(value);
      }
      return this;
    }

    public Builder addVariable(
        int index, com.google.ortools.linearsolver.MPVariableProto value) {
      if (variableBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureVariableIsMutable();
        variable_.add(index, value);
        onChanged();
      } else {
        variableBuilder_.addMessage(index, value);
      }
      return this;
    }

    public Builder addVariable(
        com.google.ortools.linearsolver.MPVariableProto.Builder builderForValue) {
      if (variableBuilder_ == null) {
        ensureVariableIsMutable();
        variable_.add(builderForValue.build());
        onChanged();
      } else {
        variableBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }

    public Builder addVariable(
        int index, com.google.ortools.linearsolver.MPVariableProto.Builder builderForValue) {
      if (variableBuilder_ == null) {
        ensureVariableIsMutable();
        variable_.add(index, builderForValue.build());
        onChanged();
      } else {
        variableBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addAllVariable(
        java.lang.Iterable<? extends com.google.ortools.linearsolver.MPVariableProto> values) {
      if (variableBuilder_ == null) {
        ensureVariableIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(
            values, variable_);
        onChanged();
      } else {
        variableBuilder_.addAllMessages(values);
      }
      return this;
    }

    public Builder clearVariable() {
      if (variableBuilder_ == null) {
        variable_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000001);
        onChanged();
      } else {
        variableBuilder_.clear();
      }
      return this;
    }

    public Builder removeVariable(int index) {
      if (variableBuilder_ == null) {
        ensureVariableIsMutable();
        variable_.remove(index);
        onChanged();
      } else {
        variableBuilder_.remove(index);
      }
      return this;
    }

    public com.google.ortools.linearsolver.MPVariableProto.Builder getVariableBuilder(
        int index) {
      return internalGetVariableFieldBuilder().getBuilder(index);
    }

    public com.google.ortools.linearsolver.MPVariableProtoOrBuilder getVariableOrBuilder(
        int index) {
      if (variableBuilder_ == null) {
        return variable_.get(index);  } else {
        return variableBuilder_.getMessageOrBuilder(index);
      }
    }

    public java.util.List<? extends com.google.ortools.linearsolver.MPVariableProtoOrBuilder> 
         getVariableOrBuilderList() {
      if (variableBuilder_ != null) {
        return variableBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(variable_);
      }
    }

    public com.google.ortools.linearsolver.MPVariableProto.Builder addVariableBuilder() {
      return internalGetVariableFieldBuilder().addBuilder(
          com.google.ortools.linearsolver.MPVariableProto.getDefaultInstance());
    }

    public com.google.ortools.linearsolver.MPVariableProto.Builder addVariableBuilder(
        int index) {
      return internalGetVariableFieldBuilder().addBuilder(
          index, com.google.ortools.linearsolver.MPVariableProto.getDefaultInstance());
    }

    public java.util.List<com.google.ortools.linearsolver.MPVariableProto.Builder> 
         getVariableBuilderList() {
      return internalGetVariableFieldBuilder().getBuilderList();
    }
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPVariableProto, com.google.ortools.linearsolver.MPVariableProto.Builder, com.google.ortools.linearsolver.MPVariableProtoOrBuilder> 
        internalGetVariableFieldBuilder() {
      if (variableBuilder_ == null) {
        variableBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
            com.google.ortools.linearsolver.MPVariableProto, com.google.ortools.linearsolver.MPVariableProto.Builder, com.google.ortools.linearsolver.MPVariableProtoOrBuilder>(
                variable_,
                ((bitField0_ & 0x00000001) != 0),
                getParentForChildren(),
                isClean());
        variable_ = null;
      }
      return variableBuilder_;
    }
 
    private java.util.List<com.google.ortools.linearsolver.MPConstraintProto> constraint_ =
      java.util.Collections.emptyList();
    private void ensureConstraintIsMutable() {
      if (!((bitField0_ & 0x00000002) != 0)) {
        constraint_ = new java.util.ArrayList<com.google.ortools.linearsolver.MPConstraintProto>(constraint_);
        bitField0_ |= 0x00000002;
       }
    }
 
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPConstraintProto, com.google.ortools.linearsolver.MPConstraintProto.Builder, com.google.ortools.linearsolver.MPConstraintProtoOrBuilder> constraintBuilder_;

    public java.util.List<com.google.ortools.linearsolver.MPConstraintProto> getConstraintList() {
      if (constraintBuilder_ == null) {
        return java.util.Collections.unmodifiableList(constraint_);
      } else {
        return constraintBuilder_.getMessageList();
      }
    }

    public int getConstraintCount() {
      if (constraintBuilder_ == null) {
        return constraint_.size();
      } else {
        return constraintBuilder_.getCount();
      }
    }

    public com.google.ortools.linearsolver.MPConstraintProto getConstraint(int index) {
      if (constraintBuilder_ == null) {
        return constraint_.get(index);
      } else {
        return constraintBuilder_.getMessage(index);
      }
    }

    public Builder setConstraint(
        int index, com.google.ortools.linearsolver.MPConstraintProto value) {
      if (constraintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureConstraintIsMutable();
        constraint_.set(index, value);
        onChanged();
      } else {
        constraintBuilder_.setMessage(index, value);
      }
      return this;
    }

    public Builder setConstraint(
        int index, com.google.ortools.linearsolver.MPConstraintProto.Builder builderForValue) {
      if (constraintBuilder_ == null) {
        ensureConstraintIsMutable();
        constraint_.set(index, builderForValue.build());
        onChanged();
      } else {
        constraintBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addConstraint(com.google.ortools.linearsolver.MPConstraintProto value) {
      if (constraintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureConstraintIsMutable();
        constraint_.add(value);
        onChanged();
      } else {
        constraintBuilder_.addMessage(value);
      }
      return this;
    }

    public Builder addConstraint(
        int index, com.google.ortools.linearsolver.MPConstraintProto value) {
      if (constraintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureConstraintIsMutable();
        constraint_.add(index, value);
        onChanged();
      } else {
        constraintBuilder_.addMessage(index, value);
      }
      return this;
    }

    public Builder addConstraint(
        com.google.ortools.linearsolver.MPConstraintProto.Builder builderForValue) {
      if (constraintBuilder_ == null) {
        ensureConstraintIsMutable();
        constraint_.add(builderForValue.build());
        onChanged();
      } else {
        constraintBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }

    public Builder addConstraint(
        int index, com.google.ortools.linearsolver.MPConstraintProto.Builder builderForValue) {
      if (constraintBuilder_ == null) {
        ensureConstraintIsMutable();
        constraint_.add(index, builderForValue.build());
        onChanged();
      } else {
        constraintBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addAllConstraint(
        java.lang.Iterable<? extends com.google.ortools.linearsolver.MPConstraintProto> values) {
      if (constraintBuilder_ == null) {
        ensureConstraintIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(
            values, constraint_);
        onChanged();
      } else {
        constraintBuilder_.addAllMessages(values);
      }
      return this;
    }

    public Builder clearConstraint() {
      if (constraintBuilder_ == null) {
        constraint_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
      } else {
        constraintBuilder_.clear();
      }
      return this;
    }

    public Builder removeConstraint(int index) {
      if (constraintBuilder_ == null) {
        ensureConstraintIsMutable();
        constraint_.remove(index);
        onChanged();
      } else {
        constraintBuilder_.remove(index);
      }
      return this;
    }

    public com.google.ortools.linearsolver.MPConstraintProto.Builder getConstraintBuilder(
        int index) {
      return internalGetConstraintFieldBuilder().getBuilder(index);
    }

    public com.google.ortools.linearsolver.MPConstraintProtoOrBuilder getConstraintOrBuilder(
        int index) {
      if (constraintBuilder_ == null) {
        return constraint_.get(index);  } else {
        return constraintBuilder_.getMessageOrBuilder(index);
      }
    }

    public java.util.List<? extends com.google.ortools.linearsolver.MPConstraintProtoOrBuilder> 
         getConstraintOrBuilderList() {
      if (constraintBuilder_ != null) {
        return constraintBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(constraint_);
      }
    }

    public com.google.ortools.linearsolver.MPConstraintProto.Builder addConstraintBuilder() {
      return internalGetConstraintFieldBuilder().addBuilder(
          com.google.ortools.linearsolver.MPConstraintProto.getDefaultInstance());
    }

    public com.google.ortools.linearsolver.MPConstraintProto.Builder addConstraintBuilder(
        int index) {
      return internalGetConstraintFieldBuilder().addBuilder(
          index, com.google.ortools.linearsolver.MPConstraintProto.getDefaultInstance());
    }

    public java.util.List<com.google.ortools.linearsolver.MPConstraintProto.Builder> 
         getConstraintBuilderList() {
      return internalGetConstraintFieldBuilder().getBuilderList();
    }
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPConstraintProto, com.google.ortools.linearsolver.MPConstraintProto.Builder, com.google.ortools.linearsolver.MPConstraintProtoOrBuilder> 
        internalGetConstraintFieldBuilder() {
      if (constraintBuilder_ == null) {
        constraintBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
            com.google.ortools.linearsolver.MPConstraintProto, com.google.ortools.linearsolver.MPConstraintProto.Builder, com.google.ortools.linearsolver.MPConstraintProtoOrBuilder>(
                constraint_,
                ((bitField0_ & 0x00000002) != 0),
                getParentForChildren(),
                isClean());
        constraint_ = null;
      }
      return constraintBuilder_;
    }
 
    private java.util.List<com.google.ortools.linearsolver.MPGeneralConstraintProto> generalConstraint_ =
      java.util.Collections.emptyList();
    private void ensureGeneralConstraintIsMutable() {
      if (!((bitField0_ & 0x00000004) != 0)) {
        generalConstraint_ = new java.util.ArrayList<com.google.ortools.linearsolver.MPGeneralConstraintProto>(generalConstraint_);
        bitField0_ |= 0x00000004;
       }
    }
 
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPGeneralConstraintProto, com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder, com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder> generalConstraintBuilder_;

    public java.util.List<com.google.ortools.linearsolver.MPGeneralConstraintProto> getGeneralConstraintList() {
      if (generalConstraintBuilder_ == null) {
        return java.util.Collections.unmodifiableList(generalConstraint_);
      } else {
        return generalConstraintBuilder_.getMessageList();
      }
    }

    public int getGeneralConstraintCount() {
      if (generalConstraintBuilder_ == null) {
        return generalConstraint_.size();
      } else {
        return generalConstraintBuilder_.getCount();
      }
    }

    public com.google.ortools.linearsolver.MPGeneralConstraintProto getGeneralConstraint(int index) {
      if (generalConstraintBuilder_ == null) {
        return generalConstraint_.get(index);
      } else {
        return generalConstraintBuilder_.getMessage(index);
      }
    }

    public Builder setGeneralConstraint(
        int index, com.google.ortools.linearsolver.MPGeneralConstraintProto value) {
      if (generalConstraintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureGeneralConstraintIsMutable();
        generalConstraint_.set(index, value);
        onChanged();
      } else {
        generalConstraintBuilder_.setMessage(index, value);
      }
      return this;
    }

    public Builder setGeneralConstraint(
        int index, com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder builderForValue) {
      if (generalConstraintBuilder_ == null) {
        ensureGeneralConstraintIsMutable();
        generalConstraint_.set(index, builderForValue.build());
        onChanged();
      } else {
        generalConstraintBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addGeneralConstraint(com.google.ortools.linearsolver.MPGeneralConstraintProto value) {
      if (generalConstraintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureGeneralConstraintIsMutable();
        generalConstraint_.add(value);
        onChanged();
      } else {
        generalConstraintBuilder_.addMessage(value);
      }
      return this;
    }

    public Builder addGeneralConstraint(
        int index, com.google.ortools.linearsolver.MPGeneralConstraintProto value) {
      if (generalConstraintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureGeneralConstraintIsMutable();
        generalConstraint_.add(index, value);
        onChanged();
      } else {
        generalConstraintBuilder_.addMessage(index, value);
      }
      return this;
    }

    public Builder addGeneralConstraint(
        com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder builderForValue) {
      if (generalConstraintBuilder_ == null) {
        ensureGeneralConstraintIsMutable();
        generalConstraint_.add(builderForValue.build());
        onChanged();
      } else {
        generalConstraintBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }

    public Builder addGeneralConstraint(
        int index, com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder builderForValue) {
      if (generalConstraintBuilder_ == null) {
        ensureGeneralConstraintIsMutable();
        generalConstraint_.add(index, builderForValue.build());
        onChanged();
      } else {
        generalConstraintBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addAllGeneralConstraint(
        java.lang.Iterable<? extends com.google.ortools.linearsolver.MPGeneralConstraintProto> values) {
      if (generalConstraintBuilder_ == null) {
        ensureGeneralConstraintIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(
            values, generalConstraint_);
        onChanged();
      } else {
        generalConstraintBuilder_.addAllMessages(values);
      }
      return this;
    }

    public Builder clearGeneralConstraint() {
      if (generalConstraintBuilder_ == null) {
        generalConstraint_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000004);
        onChanged();
      } else {
        generalConstraintBuilder_.clear();
      }
      return this;
    }

    public Builder removeGeneralConstraint(int index) {
      if (generalConstraintBuilder_ == null) {
        ensureGeneralConstraintIsMutable();
        generalConstraint_.remove(index);
        onChanged();
      } else {
        generalConstraintBuilder_.remove(index);
      }
      return this;
    }

    public com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder getGeneralConstraintBuilder(
        int index) {
      return internalGetGeneralConstraintFieldBuilder().getBuilder(index);
    }

    public com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder getGeneralConstraintOrBuilder(
        int index) {
      if (generalConstraintBuilder_ == null) {
        return generalConstraint_.get(index);  } else {
        return generalConstraintBuilder_.getMessageOrBuilder(index);
      }
    }

    public java.util.List<? extends com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder> 
         getGeneralConstraintOrBuilderList() {
      if (generalConstraintBuilder_ != null) {
        return generalConstraintBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(generalConstraint_);
      }
    }

    public com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder addGeneralConstraintBuilder() {
      return internalGetGeneralConstraintFieldBuilder().addBuilder(
          com.google.ortools.linearsolver.MPGeneralConstraintProto.getDefaultInstance());
    }

    public com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder addGeneralConstraintBuilder(
        int index) {
      return internalGetGeneralConstraintFieldBuilder().addBuilder(
          index, com.google.ortools.linearsolver.MPGeneralConstraintProto.getDefaultInstance());
    }

    public java.util.List<com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder> 
         getGeneralConstraintBuilderList() {
      return internalGetGeneralConstraintFieldBuilder().getBuilderList();
    }
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPGeneralConstraintProto, com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder, com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder> 
        internalGetGeneralConstraintFieldBuilder() {
      if (generalConstraintBuilder_ == null) {
        generalConstraintBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
            com.google.ortools.linearsolver.MPGeneralConstraintProto, com.google.ortools.linearsolver.MPGeneralConstraintProto.Builder, com.google.ortools.linearsolver.MPGeneralConstraintProtoOrBuilder>(
                generalConstraint_,
                ((bitField0_ & 0x00000004) != 0),
                getParentForChildren(),
                isClean());
        generalConstraint_ = null;
      }
      return generalConstraintBuilder_;
    }
 
    private boolean maximize_ ;
    @java.lang.Override
    public boolean hasMaximize() {
      return ((bitField0_ & 0x00000008) != 0);
    }

    @java.lang.Override
    public boolean getMaximize() {
      return maximize_;
    }

    public Builder setMaximize(boolean value) {
 
      maximize_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }

    public Builder clearMaximize() {
      bitField0_ = (bitField0_ & ~0x00000008);
      maximize_ = false;
      onChanged();
      return this;
    }
 
    private double objectiveOffset_ ;
    @java.lang.Override
    public boolean hasObjectiveOffset() {
      return ((bitField0_ & 0x00000010) != 0);
    }

    @java.lang.Override
    public double getObjectiveOffset() {
      return objectiveOffset_;
    }

    public Builder setObjectiveOffset(double value) {
 
      objectiveOffset_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }

    public Builder clearObjectiveOffset() {
      bitField0_ = (bitField0_ & ~0x00000010);
      objectiveOffset_ = 0D;
      onChanged();
      return this;
    }
 
    private com.google.ortools.linearsolver.MPQuadraticObjective quadraticObjective_;
    private com.google.protobuf.SingleFieldBuilder<
        com.google.ortools.linearsolver.MPQuadraticObjective, com.google.ortools.linearsolver.MPQuadraticObjective.Builder, com.google.ortools.linearsolver.MPQuadraticObjectiveOrBuilder> quadraticObjectiveBuilder_;
    public boolean hasQuadraticObjective() {
      return ((bitField0_ & 0x00000020) != 0);
    }

    public com.google.ortools.linearsolver.MPQuadraticObjective getQuadraticObjective() {
      if (quadraticObjectiveBuilder_ == null) {
        return quadraticObjective_ == null ? com.google.ortools.linearsolver.MPQuadraticObjective.getDefaultInstance() : quadraticObjective_;
      } else {
        return quadraticObjectiveBuilder_.getMessage();
      }
    }

    public Builder setQuadraticObjective(com.google.ortools.linearsolver.MPQuadraticObjective value) {
      if (quadraticObjectiveBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        quadraticObjective_ = value;
      } else {
        quadraticObjectiveBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }

    public Builder setQuadraticObjective(
        com.google.ortools.linearsolver.MPQuadraticObjective.Builder builderForValue) {
      if (quadraticObjectiveBuilder_ == null) {
        quadraticObjective_ = builderForValue.build();
      } else {
        quadraticObjectiveBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }

    public Builder mergeQuadraticObjective(com.google.ortools.linearsolver.MPQuadraticObjective value) {
      if (quadraticObjectiveBuilder_ == null) {
        if (((bitField0_ & 0x00000020) != 0) &&
          quadraticObjective_ != null &&
          quadraticObjective_ != com.google.ortools.linearsolver.MPQuadraticObjective.getDefaultInstance()) {
          getQuadraticObjectiveBuilder().mergeFrom(value);
        } else {
          quadraticObjective_ = value;
        }
      } else {
        quadraticObjectiveBuilder_.mergeFrom(value);
      }
      if (quadraticObjective_ != null) {
        bitField0_ |= 0x00000020;
        onChanged();
      }
      return this;
    }

    public Builder clearQuadraticObjective() {
      bitField0_ = (bitField0_ & ~0x00000020);
      quadraticObjective_ = null;
      if (quadraticObjectiveBuilder_ != null) {
        quadraticObjectiveBuilder_.dispose();
        quadraticObjectiveBuilder_ = null;
      }
      onChanged();
      return this;
    }

    public com.google.ortools.linearsolver.MPQuadraticObjective.Builder getQuadraticObjectiveBuilder() {
      bitField0_ |= 0x00000020;
      onChanged();
      return internalGetQuadraticObjectiveFieldBuilder().getBuilder();
    }

    public com.google.ortools.linearsolver.MPQuadraticObjectiveOrBuilder getQuadraticObjectiveOrBuilder() {
      if (quadraticObjectiveBuilder_ != null) {
        return quadraticObjectiveBuilder_.getMessageOrBuilder();
      } else {
        return quadraticObjective_ == null ?
            com.google.ortools.linearsolver.MPQuadraticObjective.getDefaultInstance() : quadraticObjective_;
      }
    }

    private com.google.protobuf.SingleFieldBuilder<
        com.google.ortools.linearsolver.MPQuadraticObjective, com.google.ortools.linearsolver.MPQuadraticObjective.Builder, com.google.ortools.linearsolver.MPQuadraticObjectiveOrBuilder> 
        internalGetQuadraticObjectiveFieldBuilder() {
      if (quadraticObjectiveBuilder_ == null) {
        quadraticObjectiveBuilder_ = new com.google.protobuf.SingleFieldBuilder<
            com.google.ortools.linearsolver.MPQuadraticObjective, com.google.ortools.linearsolver.MPQuadraticObjective.Builder, com.google.ortools.linearsolver.MPQuadraticObjectiveOrBuilder>(
                getQuadraticObjective(),
                getParentForChildren(),
                isClean());
        quadraticObjective_ = null;
      }
      return quadraticObjectiveBuilder_;
    }
 
    private java.lang.Object name_ = "";
    public boolean hasName() {
      return ((bitField0_ & 0x00000040) != 0);
    }

    public java.lang.String getName() {
      java.lang.Object ref = name_;
      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()) {
          name_ = s;
        }
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }

    public com.google.protobuf.ByteString
        getNameBytes() {
      java.lang.Object ref = name_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        name_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public Builder setName(
        java.lang.String value) {
      if (value == null) { throw new NullPointerException(); }
      name_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }

    public Builder clearName() {
      name_ = getDefaultInstance().getName();
      bitField0_ = (bitField0_ & ~0x00000040);
      onChanged();
      return this;
    }

    public Builder setNameBytes(
        com.google.protobuf.ByteString value) {
      if (value == null) { throw new NullPointerException(); }
      name_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }
 
    private com.google.ortools.linearsolver.PartialVariableAssignment solutionHint_;
    private com.google.protobuf.SingleFieldBuilder<
        com.google.ortools.linearsolver.PartialVariableAssignment, com.google.ortools.linearsolver.PartialVariableAssignment.Builder, com.google.ortools.linearsolver.PartialVariableAssignmentOrBuilder> solutionHintBuilder_;
    public boolean hasSolutionHint() {
      return ((bitField0_ & 0x00000080) != 0);
    }

    public com.google.ortools.linearsolver.PartialVariableAssignment getSolutionHint() {
      if (solutionHintBuilder_ == null) {
        return solutionHint_ == null ? com.google.ortools.linearsolver.PartialVariableAssignment.getDefaultInstance() : solutionHint_;
      } else {
        return solutionHintBuilder_.getMessage();
      }
    }

    public Builder setSolutionHint(com.google.ortools.linearsolver.PartialVariableAssignment value) {
      if (solutionHintBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        solutionHint_ = value;
      } else {
        solutionHintBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }

    public Builder setSolutionHint(
        com.google.ortools.linearsolver.PartialVariableAssignment.Builder builderForValue) {
      if (solutionHintBuilder_ == null) {
        solutionHint_ = builderForValue.build();
      } else {
        solutionHintBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }

    public Builder mergeSolutionHint(com.google.ortools.linearsolver.PartialVariableAssignment value) {
      if (solutionHintBuilder_ == null) {
        if (((bitField0_ & 0x00000080) != 0) &&
          solutionHint_ != null &&
          solutionHint_ != com.google.ortools.linearsolver.PartialVariableAssignment.getDefaultInstance()) {
          getSolutionHintBuilder().mergeFrom(value);
        } else {
          solutionHint_ = value;
        }
      } else {
        solutionHintBuilder_.mergeFrom(value);
      }
      if (solutionHint_ != null) {
        bitField0_ |= 0x00000080;
        onChanged();
      }
      return this;
    }

    public Builder clearSolutionHint() {
      bitField0_ = (bitField0_ & ~0x00000080);
      solutionHint_ = null;
      if (solutionHintBuilder_ != null) {
        solutionHintBuilder_.dispose();
        solutionHintBuilder_ = null;
      }
      onChanged();
      return this;
    }

    public com.google.ortools.linearsolver.PartialVariableAssignment.Builder getSolutionHintBuilder() {
      bitField0_ |= 0x00000080;
      onChanged();
      return internalGetSolutionHintFieldBuilder().getBuilder();
    }

    public com.google.ortools.linearsolver.PartialVariableAssignmentOrBuilder getSolutionHintOrBuilder() {
      if (solutionHintBuilder_ != null) {
        return solutionHintBuilder_.getMessageOrBuilder();
      } else {
        return solutionHint_ == null ?
            com.google.ortools.linearsolver.PartialVariableAssignment.getDefaultInstance() : solutionHint_;
      }
    }

    private com.google.protobuf.SingleFieldBuilder<
        com.google.ortools.linearsolver.PartialVariableAssignment, com.google.ortools.linearsolver.PartialVariableAssignment.Builder, com.google.ortools.linearsolver.PartialVariableAssignmentOrBuilder> 
        internalGetSolutionHintFieldBuilder() {
      if (solutionHintBuilder_ == null) {
        solutionHintBuilder_ = new com.google.protobuf.SingleFieldBuilder<
            com.google.ortools.linearsolver.PartialVariableAssignment, com.google.ortools.linearsolver.PartialVariableAssignment.Builder, com.google.ortools.linearsolver.PartialVariableAssignmentOrBuilder>(
                getSolutionHint(),
                getParentForChildren(),
                isClean());
        solutionHint_ = null;
      }
      return solutionHintBuilder_;
    }
 
    private java.util.List<com.google.ortools.linearsolver.MPModelProto.Annotation> annotation_ =
      java.util.Collections.emptyList();
    private void ensureAnnotationIsMutable() {
      if (!((bitField0_ & 0x00000100) != 0)) {
        annotation_ = new java.util.ArrayList<com.google.ortools.linearsolver.MPModelProto.Annotation>(annotation_);
        bitField0_ |= 0x00000100;
       }
    }
 
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPModelProto.Annotation, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder, com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder> annotationBuilder_;

    public java.util.List<com.google.ortools.linearsolver.MPModelProto.Annotation> getAnnotationList() {
      if (annotationBuilder_ == null) {
        return java.util.Collections.unmodifiableList(annotation_);
      } else {
        return annotationBuilder_.getMessageList();
      }
    }

    public int getAnnotationCount() {
      if (annotationBuilder_ == null) {
        return annotation_.size();
      } else {
        return annotationBuilder_.getCount();
      }
    }

    public com.google.ortools.linearsolver.MPModelProto.Annotation getAnnotation(int index) {
      if (annotationBuilder_ == null) {
        return annotation_.get(index);
      } else {
        return annotationBuilder_.getMessage(index);
      }
    }

    public Builder setAnnotation(
        int index, com.google.ortools.linearsolver.MPModelProto.Annotation value) {
      if (annotationBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureAnnotationIsMutable();
        annotation_.set(index, value);
        onChanged();
      } else {
        annotationBuilder_.setMessage(index, value);
      }
      return this;
    }

    public Builder setAnnotation(
        int index, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder builderForValue) {
      if (annotationBuilder_ == null) {
        ensureAnnotationIsMutable();
        annotation_.set(index, builderForValue.build());
        onChanged();
      } else {
        annotationBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addAnnotation(com.google.ortools.linearsolver.MPModelProto.Annotation value) {
      if (annotationBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureAnnotationIsMutable();
        annotation_.add(value);
        onChanged();
      } else {
        annotationBuilder_.addMessage(value);
      }
      return this;
    }

    public Builder addAnnotation(
        int index, com.google.ortools.linearsolver.MPModelProto.Annotation value) {
      if (annotationBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureAnnotationIsMutable();
        annotation_.add(index, value);
        onChanged();
      } else {
        annotationBuilder_.addMessage(index, value);
      }
      return this;
    }

    public Builder addAnnotation(
        com.google.ortools.linearsolver.MPModelProto.Annotation.Builder builderForValue) {
      if (annotationBuilder_ == null) {
        ensureAnnotationIsMutable();
        annotation_.add(builderForValue.build());
        onChanged();
      } else {
        annotationBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }

    public Builder addAnnotation(
        int index, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder builderForValue) {
      if (annotationBuilder_ == null) {
        ensureAnnotationIsMutable();
        annotation_.add(index, builderForValue.build());
        onChanged();
      } else {
        annotationBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }

    public Builder addAllAnnotation(
        java.lang.Iterable<? extends com.google.ortools.linearsolver.MPModelProto.Annotation> values) {
      if (annotationBuilder_ == null) {
        ensureAnnotationIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(
            values, annotation_);
        onChanged();
      } else {
        annotationBuilder_.addAllMessages(values);
      }
      return this;
    }

    public Builder clearAnnotation() {
      if (annotationBuilder_ == null) {
        annotation_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000100);
        onChanged();
      } else {
        annotationBuilder_.clear();
      }
      return this;
    }

    public Builder removeAnnotation(int index) {
      if (annotationBuilder_ == null) {
        ensureAnnotationIsMutable();
        annotation_.remove(index);
        onChanged();
      } else {
        annotationBuilder_.remove(index);
      }
      return this;
    }

    public com.google.ortools.linearsolver.MPModelProto.Annotation.Builder getAnnotationBuilder(
        int index) {
      return internalGetAnnotationFieldBuilder().getBuilder(index);
    }

    public com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder getAnnotationOrBuilder(
        int index) {
      if (annotationBuilder_ == null) {
        return annotation_.get(index);  } else {
        return annotationBuilder_.getMessageOrBuilder(index);
      }
    }

    public java.util.List<? extends com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder> 
         getAnnotationOrBuilderList() {
      if (annotationBuilder_ != null) {
        return annotationBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(annotation_);
      }
    }

    public com.google.ortools.linearsolver.MPModelProto.Annotation.Builder addAnnotationBuilder() {
      return internalGetAnnotationFieldBuilder().addBuilder(
          com.google.ortools.linearsolver.MPModelProto.Annotation.getDefaultInstance());
    }

    public com.google.ortools.linearsolver.MPModelProto.Annotation.Builder addAnnotationBuilder(
        int index) {
      return internalGetAnnotationFieldBuilder().addBuilder(
          index, com.google.ortools.linearsolver.MPModelProto.Annotation.getDefaultInstance());
    }

    public java.util.List<com.google.ortools.linearsolver.MPModelProto.Annotation.Builder> 
         getAnnotationBuilderList() {
      return internalGetAnnotationFieldBuilder().getBuilderList();
    }
    private com.google.protobuf.RepeatedFieldBuilder<
        com.google.ortools.linearsolver.MPModelProto.Annotation, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder, com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder> 
        internalGetAnnotationFieldBuilder() {
      if (annotationBuilder_ == null) {
        annotationBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
            com.google.ortools.linearsolver.MPModelProto.Annotation, com.google.ortools.linearsolver.MPModelProto.Annotation.Builder, com.google.ortools.linearsolver.MPModelProto.AnnotationOrBuilder>(
                annotation_,
                ((bitField0_ & 0x00000100) != 0),
                getParentForChildren(),
                isClean());
        annotation_ = null;
      }
      return annotationBuilder_;
    }
 
    // @@protoc_insertion_point(builder_scope:operations_research.MPModelProto)
  }
 
  // @@protoc_insertion_point(class_scope:operations_research.MPModelProto)
  private static final com.google.ortools.linearsolver.MPModelProto DEFAULT_INSTANCE;
  static {
    DEFAULT_INSTANCE = new com.google.ortools.linearsolver.MPModelProto();
  }
 
  public static com.google.ortools.linearsolver.MPModelProto getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
 
  private static final com.google.protobuf.Parser<MPModelProto>
      PARSER = new com.google.protobuf.AbstractParser<MPModelProto>() {
    @java.lang.Override
    public MPModelProto 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 (com.google.protobuf.UninitializedMessageException e) {
        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
      } catch (java.io.IOException e) {
        throw new com.google.protobuf.InvalidProtocolBufferException(e)
            .setUnfinishedMessage(builder.buildPartial());
      }
      return builder.buildPartial();
    }
  };
 
  public static com.google.protobuf.Parser<MPModelProto> parser() {
    return PARSER;
  }
 
  @java.lang.Override
  public com.google.protobuf.Parser<MPModelProto> getParserForType() {
    return PARSER;
  }
 
  @java.lang.Override
  public com.google.ortools.linearsolver.MPModelProto getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
 
}