/*
 * Copyright 2023 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/compute/v1/compute.proto

package com.google.cloud.compute.v1;

/**
 *
 *
 * <pre>
 * Represents a Target Instance resource. You can use a target instance to handle traffic for one or more forwarding rules, which is ideal for forwarding protocol traffic that is managed by a single source. For example, ESP, AH, TCP, or UDP. For more information, read Target instances.
 * </pre>
 *
 * Protobuf type {@code google.cloud.compute.v1.TargetInstance}
 */
public final class TargetInstance extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.cloud.compute.v1.TargetInstance)
    TargetInstanceOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use TargetInstance.newBuilder() to construct.
  private TargetInstance(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private TargetInstance() {
    creationTimestamp_ = "";
    description_ = "";
    instance_ = "";
    kind_ = "";
    name_ = "";
    natPolicy_ = "";
    network_ = "";
    selfLink_ = "";
    zone_ = "";
  }

  @java.lang.Override
  @SuppressWarnings({"unused"})
  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
    return new TargetInstance();
  }

  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.cloud.compute.v1.Compute
        .internal_static_google_cloud_compute_v1_TargetInstance_descriptor;
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.cloud.compute.v1.Compute
        .internal_static_google_cloud_compute_v1_TargetInstance_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.cloud.compute.v1.TargetInstance.class,
            com.google.cloud.compute.v1.TargetInstance.Builder.class);
  }

  /**
   *
   *
   * <pre>
   * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
   * </pre>
   *
   * Protobuf enum {@code google.cloud.compute.v1.TargetInstance.NatPolicy}
   */
  public enum NatPolicy implements com.google.protobuf.ProtocolMessageEnum {
    /**
     *
     *
     * <pre>
     * A value indicating that the enum field is not set.
     * </pre>
     *
     * <code>UNDEFINED_NAT_POLICY = 0;</code>
     */
    UNDEFINED_NAT_POLICY(0),
    /**
     *
     *
     * <pre>
     * No NAT performed.
     * </pre>
     *
     * <code>NO_NAT = 161455491;</code>
     */
    NO_NAT(161455491),
    UNRECOGNIZED(-1),
    ;

    /**
     *
     *
     * <pre>
     * A value indicating that the enum field is not set.
     * </pre>
     *
     * <code>UNDEFINED_NAT_POLICY = 0;</code>
     */
    public static final int UNDEFINED_NAT_POLICY_VALUE = 0;
    /**
     *
     *
     * <pre>
     * No NAT performed.
     * </pre>
     *
     * <code>NO_NAT = 161455491;</code>
     */
    public static final int NO_NAT_VALUE = 161455491;

    public final int getNumber() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalArgumentException(
            "Can't get the number of an unknown enum value.");
      }
      return value;
    }

    /**
     * @param value The numeric wire value of the corresponding enum entry.
     * @return The enum associated with the given numeric wire value.
     * @deprecated Use {@link #forNumber(int)} instead.
     */
    @java.lang.Deprecated
    public static NatPolicy valueOf(int value) {
      return forNumber(value);
    }

    /**
     * @param value The numeric wire value of the corresponding enum entry.
     * @return The enum associated with the given numeric wire value.
     */
    public static NatPolicy forNumber(int value) {
      switch (value) {
        case 0:
          return UNDEFINED_NAT_POLICY;
        case 161455491:
          return NO_NAT;
        default:
          return null;
      }
    }

    public static com.google.protobuf.Internal.EnumLiteMap<NatPolicy> internalGetValueMap() {
      return internalValueMap;
    }

    private static final com.google.protobuf.Internal.EnumLiteMap<NatPolicy> internalValueMap =
        new com.google.protobuf.Internal.EnumLiteMap<NatPolicy>() {
          public NatPolicy findValueByNumber(int number) {
            return NatPolicy.forNumber(number);
          }
        };

    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
      if (this == UNRECOGNIZED) {
        throw new java.lang.IllegalStateException(
            "Can't get the descriptor of an unrecognized enum value.");
      }
      return getDescriptor().getValues().get(ordinal());
    }

    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
      return getDescriptor();
    }

    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
      return com.google.cloud.compute.v1.TargetInstance.getDescriptor().getEnumTypes().get(0);
    }

    private static final NatPolicy[] VALUES = values();

    public static NatPolicy valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
      if (desc.getType() != getDescriptor()) {
        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
      }
      if (desc.getIndex() == -1) {
        return UNRECOGNIZED;
      }
      return VALUES[desc.getIndex()];
    }

    private final int value;

    private NatPolicy(int value) {
      this.value = value;
    }

    // @@protoc_insertion_point(enum_scope:google.cloud.compute.v1.TargetInstance.NatPolicy)
  }

  private int bitField0_;
  public static final int CREATION_TIMESTAMP_FIELD_NUMBER = 30525366;

  @SuppressWarnings("serial")
  private volatile java.lang.Object creationTimestamp_ = "";
  /**
   *
   *
   * <pre>
   * [Output Only] Creation timestamp in RFC3339 text format.
   * </pre>
   *
   * <code>optional string creation_timestamp = 30525366;</code>
   *
   * @return Whether the creationTimestamp field is set.
   */
  @java.lang.Override
  public boolean hasCreationTimestamp() {
    return ((bitField0_ & 0x00000001) != 0);
  }
  /**
   *
   *
   * <pre>
   * [Output Only] Creation timestamp in RFC3339 text format.
   * </pre>
   *
   * <code>optional string creation_timestamp = 30525366;</code>
   *
   * @return The creationTimestamp.
   */
  @java.lang.Override
  public java.lang.String getCreationTimestamp() {
    java.lang.Object ref = creationTimestamp_;
    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();
      creationTimestamp_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * [Output Only] Creation timestamp in RFC3339 text format.
   * </pre>
   *
   * <code>optional string creation_timestamp = 30525366;</code>
   *
   * @return The bytes for creationTimestamp.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getCreationTimestampBytes() {
    java.lang.Object ref = creationTimestamp_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      creationTimestamp_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int DESCRIPTION_FIELD_NUMBER = 422937596;

  @SuppressWarnings("serial")
  private volatile java.lang.Object description_ = "";
  /**
   *
   *
   * <pre>
   * An optional description of this resource. Provide this property when you create the resource.
   * </pre>
   *
   * <code>optional string description = 422937596;</code>
   *
   * @return Whether the description field is set.
   */
  @java.lang.Override
  public boolean hasDescription() {
    return ((bitField0_ & 0x00000002) != 0);
  }
  /**
   *
   *
   * <pre>
   * An optional description of this resource. Provide this property when you create the resource.
   * </pre>
   *
   * <code>optional string description = 422937596;</code>
   *
   * @return The description.
   */
  @java.lang.Override
  public java.lang.String getDescription() {
    java.lang.Object ref = description_;
    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();
      description_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * An optional description of this resource. Provide this property when you create the resource.
   * </pre>
   *
   * <code>optional string description = 422937596;</code>
   *
   * @return The bytes for description.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getDescriptionBytes() {
    java.lang.Object ref = description_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      description_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int ID_FIELD_NUMBER = 3355;
  private long id_ = 0L;
  /**
   *
   *
   * <pre>
   * [Output Only] The unique identifier for the resource. This identifier is defined by the server.
   * </pre>
   *
   * <code>optional uint64 id = 3355;</code>
   *
   * @return Whether the id field is set.
   */
  @java.lang.Override
  public boolean hasId() {
    return ((bitField0_ & 0x00000004) != 0);
  }
  /**
   *
   *
   * <pre>
   * [Output Only] The unique identifier for the resource. This identifier is defined by the server.
   * </pre>
   *
   * <code>optional uint64 id = 3355;</code>
   *
   * @return The id.
   */
  @java.lang.Override
  public long getId() {
    return id_;
  }

  public static final int INSTANCE_FIELD_NUMBER = 18257045;

  @SuppressWarnings("serial")
  private volatile java.lang.Object instance_ = "";
  /**
   *
   *
   * <pre>
   * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
   * </pre>
   *
   * <code>optional string instance = 18257045;</code>
   *
   * @return Whether the instance field is set.
   */
  @java.lang.Override
  public boolean hasInstance() {
    return ((bitField0_ & 0x00000008) != 0);
  }
  /**
   *
   *
   * <pre>
   * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
   * </pre>
   *
   * <code>optional string instance = 18257045;</code>
   *
   * @return The instance.
   */
  @java.lang.Override
  public java.lang.String getInstance() {
    java.lang.Object ref = instance_;
    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();
      instance_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
   * </pre>
   *
   * <code>optional string instance = 18257045;</code>
   *
   * @return The bytes for instance.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getInstanceBytes() {
    java.lang.Object ref = instance_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      instance_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int KIND_FIELD_NUMBER = 3292052;

  @SuppressWarnings("serial")
  private volatile java.lang.Object kind_ = "";
  /**
   *
   *
   * <pre>
   * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
   * </pre>
   *
   * <code>optional string kind = 3292052;</code>
   *
   * @return Whether the kind field is set.
   */
  @java.lang.Override
  public boolean hasKind() {
    return ((bitField0_ & 0x00000010) != 0);
  }
  /**
   *
   *
   * <pre>
   * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
   * </pre>
   *
   * <code>optional string kind = 3292052;</code>
   *
   * @return The kind.
   */
  @java.lang.Override
  public java.lang.String getKind() {
    java.lang.Object ref = kind_;
    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();
      kind_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
   * </pre>
   *
   * <code>optional string kind = 3292052;</code>
   *
   * @return The bytes for kind.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getKindBytes() {
    java.lang.Object ref = kind_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      kind_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int NAME_FIELD_NUMBER = 3373707;

  @SuppressWarnings("serial")
  private volatile java.lang.Object name_ = "";
  /**
   *
   *
   * <pre>
   * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
   * </pre>
   *
   * <code>optional string name = 3373707;</code>
   *
   * @return Whether the name field is set.
   */
  @java.lang.Override
  public boolean hasName() {
    return ((bitField0_ & 0x00000020) != 0);
  }
  /**
   *
   *
   * <pre>
   * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
   * </pre>
   *
   * <code>optional string name = 3373707;</code>
   *
   * @return The name.
   */
  @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();
      name_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
   * </pre>
   *
   * <code>optional string name = 3373707;</code>
   *
   * @return The bytes for name.
   */
  @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 NAT_POLICY_FIELD_NUMBER = 509780496;

  @SuppressWarnings("serial")
  private volatile java.lang.Object natPolicy_ = "";
  /**
   *
   *
   * <pre>
   * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
   * Check the NatPolicy enum for the list of possible values.
   * </pre>
   *
   * <code>optional string nat_policy = 509780496;</code>
   *
   * @return Whether the natPolicy field is set.
   */
  @java.lang.Override
  public boolean hasNatPolicy() {
    return ((bitField0_ & 0x00000040) != 0);
  }
  /**
   *
   *
   * <pre>
   * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
   * Check the NatPolicy enum for the list of possible values.
   * </pre>
   *
   * <code>optional string nat_policy = 509780496;</code>
   *
   * @return The natPolicy.
   */
  @java.lang.Override
  public java.lang.String getNatPolicy() {
    java.lang.Object ref = natPolicy_;
    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();
      natPolicy_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
   * Check the NatPolicy enum for the list of possible values.
   * </pre>
   *
   * <code>optional string nat_policy = 509780496;</code>
   *
   * @return The bytes for natPolicy.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getNatPolicyBytes() {
    java.lang.Object ref = natPolicy_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      natPolicy_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int NETWORK_FIELD_NUMBER = 232872494;

  @SuppressWarnings("serial")
  private volatile java.lang.Object network_ = "";
  /**
   *
   *
   * <pre>
   * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
   * </pre>
   *
   * <code>optional string network = 232872494;</code>
   *
   * @return Whether the network field is set.
   */
  @java.lang.Override
  public boolean hasNetwork() {
    return ((bitField0_ & 0x00000080) != 0);
  }
  /**
   *
   *
   * <pre>
   * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
   * </pre>
   *
   * <code>optional string network = 232872494;</code>
   *
   * @return The network.
   */
  @java.lang.Override
  public java.lang.String getNetwork() {
    java.lang.Object ref = network_;
    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();
      network_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
   * </pre>
   *
   * <code>optional string network = 232872494;</code>
   *
   * @return The bytes for network.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getNetworkBytes() {
    java.lang.Object ref = network_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      network_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int SELF_LINK_FIELD_NUMBER = 456214797;

  @SuppressWarnings("serial")
  private volatile java.lang.Object selfLink_ = "";
  /**
   *
   *
   * <pre>
   * [Output Only] Server-defined URL for the resource.
   * </pre>
   *
   * <code>optional string self_link = 456214797;</code>
   *
   * @return Whether the selfLink field is set.
   */
  @java.lang.Override
  public boolean hasSelfLink() {
    return ((bitField0_ & 0x00000100) != 0);
  }
  /**
   *
   *
   * <pre>
   * [Output Only] Server-defined URL for the resource.
   * </pre>
   *
   * <code>optional string self_link = 456214797;</code>
   *
   * @return The selfLink.
   */
  @java.lang.Override
  public java.lang.String getSelfLink() {
    java.lang.Object ref = selfLink_;
    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();
      selfLink_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * [Output Only] Server-defined URL for the resource.
   * </pre>
   *
   * <code>optional string self_link = 456214797;</code>
   *
   * @return The bytes for selfLink.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getSelfLinkBytes() {
    java.lang.Object ref = selfLink_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      selfLink_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int ZONE_FIELD_NUMBER = 3744684;

  @SuppressWarnings("serial")
  private volatile java.lang.Object zone_ = "";
  /**
   *
   *
   * <pre>
   * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
   * </pre>
   *
   * <code>optional string zone = 3744684;</code>
   *
   * @return Whether the zone field is set.
   */
  @java.lang.Override
  public boolean hasZone() {
    return ((bitField0_ & 0x00000200) != 0);
  }
  /**
   *
   *
   * <pre>
   * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
   * </pre>
   *
   * <code>optional string zone = 3744684;</code>
   *
   * @return The zone.
   */
  @java.lang.Override
  public java.lang.String getZone() {
    java.lang.Object ref = zone_;
    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();
      zone_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
   * </pre>
   *
   * <code>optional string zone = 3744684;</code>
   *
   * @return The bytes for zone.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getZoneBytes() {
    java.lang.Object ref = zone_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      zone_ = 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_ & 0x00000004) != 0)) {
      output.writeUInt64(3355, id_);
    }
    if (((bitField0_ & 0x00000010) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3292052, kind_);
    }
    if (((bitField0_ & 0x00000020) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3373707, name_);
    }
    if (((bitField0_ & 0x00000200) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3744684, zone_);
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 18257045, instance_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 30525366, creationTimestamp_);
    }
    if (((bitField0_ & 0x00000080) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 232872494, network_);
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 422937596, description_);
    }
    if (((bitField0_ & 0x00000100) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 456214797, selfLink_);
    }
    if (((bitField0_ & 0x00000040) != 0)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 509780496, natPolicy_);
    }
    getUnknownFields().writeTo(output);
  }

  @java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (((bitField0_ & 0x00000004) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeUInt64Size(3355, id_);
    }
    if (((bitField0_ & 0x00000010) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3292052, kind_);
    }
    if (((bitField0_ & 0x00000020) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3373707, name_);
    }
    if (((bitField0_ & 0x00000200) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3744684, zone_);
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(18257045, instance_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      size +=
          com.google.protobuf.GeneratedMessageV3.computeStringSize(30525366, creationTimestamp_);
    }
    if (((bitField0_ & 0x00000080) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(232872494, network_);
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(422937596, description_);
    }
    if (((bitField0_ & 0x00000100) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(456214797, selfLink_);
    }
    if (((bitField0_ & 0x00000040) != 0)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(509780496, natPolicy_);
    }
    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.cloud.compute.v1.TargetInstance)) {
      return super.equals(obj);
    }
    com.google.cloud.compute.v1.TargetInstance other =
        (com.google.cloud.compute.v1.TargetInstance) obj;

    if (hasCreationTimestamp() != other.hasCreationTimestamp()) return false;
    if (hasCreationTimestamp()) {
      if (!getCreationTimestamp().equals(other.getCreationTimestamp())) return false;
    }
    if (hasDescription() != other.hasDescription()) return false;
    if (hasDescription()) {
      if (!getDescription().equals(other.getDescription())) return false;
    }
    if (hasId() != other.hasId()) return false;
    if (hasId()) {
      if (getId() != other.getId()) return false;
    }
    if (hasInstance() != other.hasInstance()) return false;
    if (hasInstance()) {
      if (!getInstance().equals(other.getInstance())) return false;
    }
    if (hasKind() != other.hasKind()) return false;
    if (hasKind()) {
      if (!getKind().equals(other.getKind())) return false;
    }
    if (hasName() != other.hasName()) return false;
    if (hasName()) {
      if (!getName().equals(other.getName())) return false;
    }
    if (hasNatPolicy() != other.hasNatPolicy()) return false;
    if (hasNatPolicy()) {
      if (!getNatPolicy().equals(other.getNatPolicy())) return false;
    }
    if (hasNetwork() != other.hasNetwork()) return false;
    if (hasNetwork()) {
      if (!getNetwork().equals(other.getNetwork())) return false;
    }
    if (hasSelfLink() != other.hasSelfLink()) return false;
    if (hasSelfLink()) {
      if (!getSelfLink().equals(other.getSelfLink())) return false;
    }
    if (hasZone() != other.hasZone()) return false;
    if (hasZone()) {
      if (!getZone().equals(other.getZone())) 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 (hasCreationTimestamp()) {
      hash = (37 * hash) + CREATION_TIMESTAMP_FIELD_NUMBER;
      hash = (53 * hash) + getCreationTimestamp().hashCode();
    }
    if (hasDescription()) {
      hash = (37 * hash) + DESCRIPTION_FIELD_NUMBER;
      hash = (53 * hash) + getDescription().hashCode();
    }
    if (hasId()) {
      hash = (37 * hash) + ID_FIELD_NUMBER;
      hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getId());
    }
    if (hasInstance()) {
      hash = (37 * hash) + INSTANCE_FIELD_NUMBER;
      hash = (53 * hash) + getInstance().hashCode();
    }
    if (hasKind()) {
      hash = (37 * hash) + KIND_FIELD_NUMBER;
      hash = (53 * hash) + getKind().hashCode();
    }
    if (hasName()) {
      hash = (37 * hash) + NAME_FIELD_NUMBER;
      hash = (53 * hash) + getName().hashCode();
    }
    if (hasNatPolicy()) {
      hash = (37 * hash) + NAT_POLICY_FIELD_NUMBER;
      hash = (53 * hash) + getNatPolicy().hashCode();
    }
    if (hasNetwork()) {
      hash = (37 * hash) + NETWORK_FIELD_NUMBER;
      hash = (53 * hash) + getNetwork().hashCode();
    }
    if (hasSelfLink()) {
      hash = (37 * hash) + SELF_LINK_FIELD_NUMBER;
      hash = (53 * hash) + getSelfLink().hashCode();
    }
    if (hasZone()) {
      hash = (37 * hash) + ZONE_FIELD_NUMBER;
      hash = (53 * hash) + getZone().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(java.nio.ByteBuffer data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(
      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(
      com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.compute.v1.TargetInstance 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.cloud.compute.v1.TargetInstance parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(
      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseDelimitedFrom(
      java.io.InputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseDelimitedFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
        PARSER, input, extensionRegistry);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(
      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.cloud.compute.v1.TargetInstance parseFrom(
      com.google.protobuf.CodedInputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.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.cloud.compute.v1.TargetInstance 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.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
  /**
   *
   *
   * <pre>
   * Represents a Target Instance resource. You can use a target instance to handle traffic for one or more forwarding rules, which is ideal for forwarding protocol traffic that is managed by a single source. For example, ESP, AH, TCP, or UDP. For more information, read Target instances.
   * </pre>
   *
   * Protobuf type {@code google.cloud.compute.v1.TargetInstance}
   */
  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
      implements
      // @@protoc_insertion_point(builder_implements:google.cloud.compute.v1.TargetInstance)
      com.google.cloud.compute.v1.TargetInstanceOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.cloud.compute.v1.Compute
          .internal_static_google_cloud_compute_v1_TargetInstance_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.cloud.compute.v1.Compute
          .internal_static_google_cloud_compute_v1_TargetInstance_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.cloud.compute.v1.TargetInstance.class,
              com.google.cloud.compute.v1.TargetInstance.Builder.class);
    }

    // Construct using com.google.cloud.compute.v1.TargetInstance.newBuilder()
    private Builder() {}

    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      super(parent);
    }

    @java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      creationTimestamp_ = "";
      description_ = "";
      id_ = 0L;
      instance_ = "";
      kind_ = "";
      name_ = "";
      natPolicy_ = "";
      network_ = "";
      selfLink_ = "";
      zone_ = "";
      return this;
    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
      return com.google.cloud.compute.v1.Compute
          .internal_static_google_cloud_compute_v1_TargetInstance_descriptor;
    }

    @java.lang.Override
    public com.google.cloud.compute.v1.TargetInstance getDefaultInstanceForType() {
      return com.google.cloud.compute.v1.TargetInstance.getDefaultInstance();
    }

    @java.lang.Override
    public com.google.cloud.compute.v1.TargetInstance build() {
      com.google.cloud.compute.v1.TargetInstance result = buildPartial();
      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }

    @java.lang.Override
    public com.google.cloud.compute.v1.TargetInstance buildPartial() {
      com.google.cloud.compute.v1.TargetInstance result =
          new com.google.cloud.compute.v1.TargetInstance(this);
      if (bitField0_ != 0) {
        buildPartial0(result);
      }
      onBuilt();
      return result;
    }

    private void buildPartial0(com.google.cloud.compute.v1.TargetInstance result) {
      int from_bitField0_ = bitField0_;
      int to_bitField0_ = 0;
      if (((from_bitField0_ & 0x00000001) != 0)) {
        result.creationTimestamp_ = creationTimestamp_;
        to_bitField0_ |= 0x00000001;
      }
      if (((from_bitField0_ & 0x00000002) != 0)) {
        result.description_ = description_;
        to_bitField0_ |= 0x00000002;
      }
      if (((from_bitField0_ & 0x00000004) != 0)) {
        result.id_ = id_;
        to_bitField0_ |= 0x00000004;
      }
      if (((from_bitField0_ & 0x00000008) != 0)) {
        result.instance_ = instance_;
        to_bitField0_ |= 0x00000008;
      }
      if (((from_bitField0_ & 0x00000010) != 0)) {
        result.kind_ = kind_;
        to_bitField0_ |= 0x00000010;
      }
      if (((from_bitField0_ & 0x00000020) != 0)) {
        result.name_ = name_;
        to_bitField0_ |= 0x00000020;
      }
      if (((from_bitField0_ & 0x00000040) != 0)) {
        result.natPolicy_ = natPolicy_;
        to_bitField0_ |= 0x00000040;
      }
      if (((from_bitField0_ & 0x00000080) != 0)) {
        result.network_ = network_;
        to_bitField0_ |= 0x00000080;
      }
      if (((from_bitField0_ & 0x00000100) != 0)) {
        result.selfLink_ = selfLink_;
        to_bitField0_ |= 0x00000100;
      }
      if (((from_bitField0_ & 0x00000200) != 0)) {
        result.zone_ = zone_;
        to_bitField0_ |= 0x00000200;
      }
      result.bitField0_ |= to_bitField0_;
    }

    @java.lang.Override
    public Builder clone() {
      return super.clone();
    }

    @java.lang.Override
    public Builder setField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.setField(field, value);
    }

    @java.lang.Override
    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
      return super.clearField(field);
    }

    @java.lang.Override
    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
      return super.clearOneof(oneof);
    }

    @java.lang.Override
    public Builder setRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
      return super.setRepeatedField(field, index, value);
    }

    @java.lang.Override
    public Builder addRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.addRepeatedField(field, value);
    }

    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.cloud.compute.v1.TargetInstance) {
        return mergeFrom((com.google.cloud.compute.v1.TargetInstance) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.cloud.compute.v1.TargetInstance other) {
      if (other == com.google.cloud.compute.v1.TargetInstance.getDefaultInstance()) return this;
      if (other.hasCreationTimestamp()) {
        creationTimestamp_ = other.creationTimestamp_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.hasDescription()) {
        description_ = other.description_;
        bitField0_ |= 0x00000002;
        onChanged();
      }
      if (other.hasId()) {
        setId(other.getId());
      }
      if (other.hasInstance()) {
        instance_ = other.instance_;
        bitField0_ |= 0x00000008;
        onChanged();
      }
      if (other.hasKind()) {
        kind_ = other.kind_;
        bitField0_ |= 0x00000010;
        onChanged();
      }
      if (other.hasName()) {
        name_ = other.name_;
        bitField0_ |= 0x00000020;
        onChanged();
      }
      if (other.hasNatPolicy()) {
        natPolicy_ = other.natPolicy_;
        bitField0_ |= 0x00000040;
        onChanged();
      }
      if (other.hasNetwork()) {
        network_ = other.network_;
        bitField0_ |= 0x00000080;
        onChanged();
      }
      if (other.hasSelfLink()) {
        selfLink_ = other.selfLink_;
        bitField0_ |= 0x00000100;
        onChanged();
      }
      if (other.hasZone()) {
        zone_ = other.zone_;
        bitField0_ |= 0x00000200;
        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 26840:
              {
                id_ = input.readUInt64();
                bitField0_ |= 0x00000004;
                break;
              } // case 26840
            case 26336418:
              {
                kind_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000010;
                break;
              } // case 26336418
            case 26989658:
              {
                name_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000020;
                break;
              } // case 26989658
            case 29957474:
              {
                zone_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000200;
                break;
              } // case 29957474
            case 146056362:
              {
                instance_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000008;
                break;
              } // case 146056362
            case 244202930:
              {
                creationTimestamp_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000001;
                break;
              } // case 244202930
            case 1862979954:
              {
                network_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000080;
                break;
              } // case 1862979954
            case -911466526:
              {
                description_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000002;
                break;
              } // case -911466526
            case -645248918:
              {
                selfLink_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000100;
                break;
              } // case -645248918
            case -216723326:
              {
                natPolicy_ = input.readStringRequireUtf8();
                bitField0_ |= 0x00000040;
                break;
              } // case -216723326
            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.lang.Object creationTimestamp_ = "";
    /**
     *
     *
     * <pre>
     * [Output Only] Creation timestamp in RFC3339 text format.
     * </pre>
     *
     * <code>optional string creation_timestamp = 30525366;</code>
     *
     * @return Whether the creationTimestamp field is set.
     */
    public boolean hasCreationTimestamp() {
      return ((bitField0_ & 0x00000001) != 0);
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Creation timestamp in RFC3339 text format.
     * </pre>
     *
     * <code>optional string creation_timestamp = 30525366;</code>
     *
     * @return The creationTimestamp.
     */
    public java.lang.String getCreationTimestamp() {
      java.lang.Object ref = creationTimestamp_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        creationTimestamp_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Creation timestamp in RFC3339 text format.
     * </pre>
     *
     * <code>optional string creation_timestamp = 30525366;</code>
     *
     * @return The bytes for creationTimestamp.
     */
    public com.google.protobuf.ByteString getCreationTimestampBytes() {
      java.lang.Object ref = creationTimestamp_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        creationTimestamp_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Creation timestamp in RFC3339 text format.
     * </pre>
     *
     * <code>optional string creation_timestamp = 30525366;</code>
     *
     * @param value The creationTimestamp to set.
     * @return This builder for chaining.
     */
    public Builder setCreationTimestamp(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      creationTimestamp_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Creation timestamp in RFC3339 text format.
     * </pre>
     *
     * <code>optional string creation_timestamp = 30525366;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearCreationTimestamp() {
      creationTimestamp_ = getDefaultInstance().getCreationTimestamp();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Creation timestamp in RFC3339 text format.
     * </pre>
     *
     * <code>optional string creation_timestamp = 30525366;</code>
     *
     * @param value The bytes for creationTimestamp to set.
     * @return This builder for chaining.
     */
    public Builder setCreationTimestampBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      creationTimestamp_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }

    private java.lang.Object description_ = "";
    /**
     *
     *
     * <pre>
     * An optional description of this resource. Provide this property when you create the resource.
     * </pre>
     *
     * <code>optional string description = 422937596;</code>
     *
     * @return Whether the description field is set.
     */
    public boolean hasDescription() {
      return ((bitField0_ & 0x00000002) != 0);
    }
    /**
     *
     *
     * <pre>
     * An optional description of this resource. Provide this property when you create the resource.
     * </pre>
     *
     * <code>optional string description = 422937596;</code>
     *
     * @return The description.
     */
    public java.lang.String getDescription() {
      java.lang.Object ref = description_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        description_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * An optional description of this resource. Provide this property when you create the resource.
     * </pre>
     *
     * <code>optional string description = 422937596;</code>
     *
     * @return The bytes for description.
     */
    public com.google.protobuf.ByteString getDescriptionBytes() {
      java.lang.Object ref = description_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        description_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * An optional description of this resource. Provide this property when you create the resource.
     * </pre>
     *
     * <code>optional string description = 422937596;</code>
     *
     * @param value The description to set.
     * @return This builder for chaining.
     */
    public Builder setDescription(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      description_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * An optional description of this resource. Provide this property when you create the resource.
     * </pre>
     *
     * <code>optional string description = 422937596;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearDescription() {
      description_ = getDefaultInstance().getDescription();
      bitField0_ = (bitField0_ & ~0x00000002);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * An optional description of this resource. Provide this property when you create the resource.
     * </pre>
     *
     * <code>optional string description = 422937596;</code>
     *
     * @param value The bytes for description to set.
     * @return This builder for chaining.
     */
    public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      description_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }

    private long id_;
    /**
     *
     *
     * <pre>
     * [Output Only] The unique identifier for the resource. This identifier is defined by the server.
     * </pre>
     *
     * <code>optional uint64 id = 3355;</code>
     *
     * @return Whether the id field is set.
     */
    @java.lang.Override
    public boolean hasId() {
      return ((bitField0_ & 0x00000004) != 0);
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The unique identifier for the resource. This identifier is defined by the server.
     * </pre>
     *
     * <code>optional uint64 id = 3355;</code>
     *
     * @return The id.
     */
    @java.lang.Override
    public long getId() {
      return id_;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The unique identifier for the resource. This identifier is defined by the server.
     * </pre>
     *
     * <code>optional uint64 id = 3355;</code>
     *
     * @param value The id to set.
     * @return This builder for chaining.
     */
    public Builder setId(long value) {

      id_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The unique identifier for the resource. This identifier is defined by the server.
     * </pre>
     *
     * <code>optional uint64 id = 3355;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearId() {
      bitField0_ = (bitField0_ & ~0x00000004);
      id_ = 0L;
      onChanged();
      return this;
    }

    private java.lang.Object instance_ = "";
    /**
     *
     *
     * <pre>
     * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
     * </pre>
     *
     * <code>optional string instance = 18257045;</code>
     *
     * @return Whether the instance field is set.
     */
    public boolean hasInstance() {
      return ((bitField0_ & 0x00000008) != 0);
    }
    /**
     *
     *
     * <pre>
     * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
     * </pre>
     *
     * <code>optional string instance = 18257045;</code>
     *
     * @return The instance.
     */
    public java.lang.String getInstance() {
      java.lang.Object ref = instance_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        instance_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
     * </pre>
     *
     * <code>optional string instance = 18257045;</code>
     *
     * @return The bytes for instance.
     */
    public com.google.protobuf.ByteString getInstanceBytes() {
      java.lang.Object ref = instance_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        instance_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
     * </pre>
     *
     * <code>optional string instance = 18257045;</code>
     *
     * @param value The instance to set.
     * @return This builder for chaining.
     */
    public Builder setInstance(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      instance_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
     * </pre>
     *
     * <code>optional string instance = 18257045;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearInstance() {
      instance_ = getDefaultInstance().getInstance();
      bitField0_ = (bitField0_ & ~0x00000008);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A URL to the virtual machine instance that handles traffic for this target instance. When creating a target instance, you can provide the fully-qualified URL or a valid partial URL to the desired virtual machine. For example, the following are all valid URLs: - https://www.googleapis.com/compute/v1/projects/project/zones/zone /instances/instance - projects/project/zones/zone/instances/instance - zones/zone/instances/instance
     * </pre>
     *
     * <code>optional string instance = 18257045;</code>
     *
     * @param value The bytes for instance to set.
     * @return This builder for chaining.
     */
    public Builder setInstanceBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      instance_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }

    private java.lang.Object kind_ = "";
    /**
     *
     *
     * <pre>
     * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
     * </pre>
     *
     * <code>optional string kind = 3292052;</code>
     *
     * @return Whether the kind field is set.
     */
    public boolean hasKind() {
      return ((bitField0_ & 0x00000010) != 0);
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
     * </pre>
     *
     * <code>optional string kind = 3292052;</code>
     *
     * @return The kind.
     */
    public java.lang.String getKind() {
      java.lang.Object ref = kind_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        kind_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
     * </pre>
     *
     * <code>optional string kind = 3292052;</code>
     *
     * @return The bytes for kind.
     */
    public com.google.protobuf.ByteString getKindBytes() {
      java.lang.Object ref = kind_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        kind_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
     * </pre>
     *
     * <code>optional string kind = 3292052;</code>
     *
     * @param value The kind to set.
     * @return This builder for chaining.
     */
    public Builder setKind(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      kind_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
     * </pre>
     *
     * <code>optional string kind = 3292052;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearKind() {
      kind_ = getDefaultInstance().getKind();
      bitField0_ = (bitField0_ & ~0x00000010);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] The type of the resource. Always compute#targetInstance for target instances.
     * </pre>
     *
     * <code>optional string kind = 3292052;</code>
     *
     * @param value The bytes for kind to set.
     * @return This builder for chaining.
     */
    public Builder setKindBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      kind_ = value;
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }

    private java.lang.Object name_ = "";
    /**
     *
     *
     * <pre>
     * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
     * </pre>
     *
     * <code>optional string name = 3373707;</code>
     *
     * @return Whether the name field is set.
     */
    public boolean hasName() {
      return ((bitField0_ & 0x00000020) != 0);
    }
    /**
     *
     *
     * <pre>
     * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
     * </pre>
     *
     * <code>optional string name = 3373707;</code>
     *
     * @return The name.
     */
    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();
        name_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
     * </pre>
     *
     * <code>optional string name = 3373707;</code>
     *
     * @return The bytes for name.
     */
    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;
      }
    }
    /**
     *
     *
     * <pre>
     * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
     * </pre>
     *
     * <code>optional string name = 3373707;</code>
     *
     * @param value The name to set.
     * @return This builder for chaining.
     */
    public Builder setName(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      name_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
     * </pre>
     *
     * <code>optional string name = 3373707;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearName() {
      name_ = getDefaultInstance().getName();
      bitField0_ = (bitField0_ & ~0x00000020);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
     * </pre>
     *
     * <code>optional string name = 3373707;</code>
     *
     * @param value The bytes for name to set.
     * @return This builder for chaining.
     */
    public Builder setNameBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      name_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }

    private java.lang.Object natPolicy_ = "";
    /**
     *
     *
     * <pre>
     * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
     * Check the NatPolicy enum for the list of possible values.
     * </pre>
     *
     * <code>optional string nat_policy = 509780496;</code>
     *
     * @return Whether the natPolicy field is set.
     */
    public boolean hasNatPolicy() {
      return ((bitField0_ & 0x00000040) != 0);
    }
    /**
     *
     *
     * <pre>
     * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
     * Check the NatPolicy enum for the list of possible values.
     * </pre>
     *
     * <code>optional string nat_policy = 509780496;</code>
     *
     * @return The natPolicy.
     */
    public java.lang.String getNatPolicy() {
      java.lang.Object ref = natPolicy_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        natPolicy_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
     * Check the NatPolicy enum for the list of possible values.
     * </pre>
     *
     * <code>optional string nat_policy = 509780496;</code>
     *
     * @return The bytes for natPolicy.
     */
    public com.google.protobuf.ByteString getNatPolicyBytes() {
      java.lang.Object ref = natPolicy_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        natPolicy_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
     * Check the NatPolicy enum for the list of possible values.
     * </pre>
     *
     * <code>optional string nat_policy = 509780496;</code>
     *
     * @param value The natPolicy to set.
     * @return This builder for chaining.
     */
    public Builder setNatPolicy(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      natPolicy_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
     * Check the NatPolicy enum for the list of possible values.
     * </pre>
     *
     * <code>optional string nat_policy = 509780496;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearNatPolicy() {
      natPolicy_ = getDefaultInstance().getNatPolicy();
      bitField0_ = (bitField0_ & ~0x00000040);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Must have a value of NO_NAT. Protocol forwarding delivers packets while preserving the destination IP address of the forwarding rule referencing the target instance.
     * Check the NatPolicy enum for the list of possible values.
     * </pre>
     *
     * <code>optional string nat_policy = 509780496;</code>
     *
     * @param value The bytes for natPolicy to set.
     * @return This builder for chaining.
     */
    public Builder setNatPolicyBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      natPolicy_ = value;
      bitField0_ |= 0x00000040;
      onChanged();
      return this;
    }

    private java.lang.Object network_ = "";
    /**
     *
     *
     * <pre>
     * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
     * </pre>
     *
     * <code>optional string network = 232872494;</code>
     *
     * @return Whether the network field is set.
     */
    public boolean hasNetwork() {
      return ((bitField0_ & 0x00000080) != 0);
    }
    /**
     *
     *
     * <pre>
     * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
     * </pre>
     *
     * <code>optional string network = 232872494;</code>
     *
     * @return The network.
     */
    public java.lang.String getNetwork() {
      java.lang.Object ref = network_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        network_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
     * </pre>
     *
     * <code>optional string network = 232872494;</code>
     *
     * @return The bytes for network.
     */
    public com.google.protobuf.ByteString getNetworkBytes() {
      java.lang.Object ref = network_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        network_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
     * </pre>
     *
     * <code>optional string network = 232872494;</code>
     *
     * @param value The network to set.
     * @return This builder for chaining.
     */
    public Builder setNetwork(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      network_ = value;
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
     * </pre>
     *
     * <code>optional string network = 232872494;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearNetwork() {
      network_ = getDefaultInstance().getNetwork();
      bitField0_ = (bitField0_ & ~0x00000080);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The URL of the network this target instance uses to forward traffic. If not specified, the traffic will be forwarded to the network that the default network interface belongs to.
     * </pre>
     *
     * <code>optional string network = 232872494;</code>
     *
     * @param value The bytes for network to set.
     * @return This builder for chaining.
     */
    public Builder setNetworkBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      network_ = value;
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }

    private java.lang.Object selfLink_ = "";
    /**
     *
     *
     * <pre>
     * [Output Only] Server-defined URL for the resource.
     * </pre>
     *
     * <code>optional string self_link = 456214797;</code>
     *
     * @return Whether the selfLink field is set.
     */
    public boolean hasSelfLink() {
      return ((bitField0_ & 0x00000100) != 0);
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Server-defined URL for the resource.
     * </pre>
     *
     * <code>optional string self_link = 456214797;</code>
     *
     * @return The selfLink.
     */
    public java.lang.String getSelfLink() {
      java.lang.Object ref = selfLink_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        selfLink_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Server-defined URL for the resource.
     * </pre>
     *
     * <code>optional string self_link = 456214797;</code>
     *
     * @return The bytes for selfLink.
     */
    public com.google.protobuf.ByteString getSelfLinkBytes() {
      java.lang.Object ref = selfLink_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        selfLink_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Server-defined URL for the resource.
     * </pre>
     *
     * <code>optional string self_link = 456214797;</code>
     *
     * @param value The selfLink to set.
     * @return This builder for chaining.
     */
    public Builder setSelfLink(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      selfLink_ = value;
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Server-defined URL for the resource.
     * </pre>
     *
     * <code>optional string self_link = 456214797;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearSelfLink() {
      selfLink_ = getDefaultInstance().getSelfLink();
      bitField0_ = (bitField0_ & ~0x00000100);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] Server-defined URL for the resource.
     * </pre>
     *
     * <code>optional string self_link = 456214797;</code>
     *
     * @param value The bytes for selfLink to set.
     * @return This builder for chaining.
     */
    public Builder setSelfLinkBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      selfLink_ = value;
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }

    private java.lang.Object zone_ = "";
    /**
     *
     *
     * <pre>
     * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
     * </pre>
     *
     * <code>optional string zone = 3744684;</code>
     *
     * @return Whether the zone field is set.
     */
    public boolean hasZone() {
      return ((bitField0_ & 0x00000200) != 0);
    }
    /**
     *
     *
     * <pre>
     * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
     * </pre>
     *
     * <code>optional string zone = 3744684;</code>
     *
     * @return The zone.
     */
    public java.lang.String getZone() {
      java.lang.Object ref = zone_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        zone_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
     * </pre>
     *
     * <code>optional string zone = 3744684;</code>
     *
     * @return The bytes for zone.
     */
    public com.google.protobuf.ByteString getZoneBytes() {
      java.lang.Object ref = zone_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        zone_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
     * </pre>
     *
     * <code>optional string zone = 3744684;</code>
     *
     * @param value The zone to set.
     * @return This builder for chaining.
     */
    public Builder setZone(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      zone_ = value;
      bitField0_ |= 0x00000200;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
     * </pre>
     *
     * <code>optional string zone = 3744684;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearZone() {
      zone_ = getDefaultInstance().getZone();
      bitField0_ = (bitField0_ & ~0x00000200);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * [Output Only] URL of the zone where the target instance resides. You must specify this field as part of the HTTP request URL. It is not settable as a field in the request body.
     * </pre>
     *
     * <code>optional string zone = 3744684;</code>
     *
     * @param value The bytes for zone to set.
     * @return This builder for chaining.
     */
    public Builder setZoneBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      zone_ = value;
      bitField0_ |= 0x00000200;
      onChanged();
      return this;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.cloud.compute.v1.TargetInstance)
  }

  // @@protoc_insertion_point(class_scope:google.cloud.compute.v1.TargetInstance)
  private static final com.google.cloud.compute.v1.TargetInstance DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.cloud.compute.v1.TargetInstance();
  }

  public static com.google.cloud.compute.v1.TargetInstance getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<TargetInstance> PARSER =
      new com.google.protobuf.AbstractParser<TargetInstance>() {
        @java.lang.Override
        public TargetInstance 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<TargetInstance> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<TargetInstance> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.cloud.compute.v1.TargetInstance getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
