/*
 * Copyright 2020 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/maps/routing/v2/route.proto

package com.google.maps.routing.v2;

/**
 *
 *
 * <pre>
 * Encapsulates a route, which consists of a series of connected road segments
 * that join beginning, ending, and intermediate waypoints.
 * </pre>
 *
 * Protobuf type {@code google.maps.routing.v2.Route}
 */
public final class Route extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.maps.routing.v2.Route)
    RouteOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use Route.newBuilder() to construct.
  private Route(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private Route() {
    routeLabels_ = java.util.Collections.emptyList();
    legs_ = java.util.Collections.emptyList();
    description_ = "";
    warnings_ = com.google.protobuf.LazyStringArrayList.EMPTY;
    routeToken_ = "";
  }

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

  @java.lang.Override
  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
    return this.unknownFields;
  }

  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.maps.routing.v2.RouteProto
        .internal_static_google_maps_routing_v2_Route_descriptor;
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.maps.routing.v2.RouteProto
        .internal_static_google_maps_routing_v2_Route_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.maps.routing.v2.Route.class, com.google.maps.routing.v2.Route.Builder.class);
  }

  public static final int ROUTE_LABELS_FIELD_NUMBER = 13;

  @SuppressWarnings("serial")
  private java.util.List<java.lang.Integer> routeLabels_;

  private static final com.google.protobuf.Internal.ListAdapter.Converter<
          java.lang.Integer, com.google.maps.routing.v2.RouteLabel>
      routeLabels_converter_ =
          new com.google.protobuf.Internal.ListAdapter.Converter<
              java.lang.Integer, com.google.maps.routing.v2.RouteLabel>() {
            public com.google.maps.routing.v2.RouteLabel convert(java.lang.Integer from) {
              com.google.maps.routing.v2.RouteLabel result =
                  com.google.maps.routing.v2.RouteLabel.forNumber(from);
              return result == null ? com.google.maps.routing.v2.RouteLabel.UNRECOGNIZED : result;
            }
          };
  /**
   *
   *
   * <pre>
   * Labels for the `Route` that are useful to identify specific properties
   * of the route to compare against others.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
   *
   * @return A list containing the routeLabels.
   */
  @java.lang.Override
  public java.util.List<com.google.maps.routing.v2.RouteLabel> getRouteLabelsList() {
    return new com.google.protobuf.Internal.ListAdapter<
        java.lang.Integer, com.google.maps.routing.v2.RouteLabel>(
        routeLabels_, routeLabels_converter_);
  }
  /**
   *
   *
   * <pre>
   * Labels for the `Route` that are useful to identify specific properties
   * of the route to compare against others.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
   *
   * @return The count of routeLabels.
   */
  @java.lang.Override
  public int getRouteLabelsCount() {
    return routeLabels_.size();
  }
  /**
   *
   *
   * <pre>
   * Labels for the `Route` that are useful to identify specific properties
   * of the route to compare against others.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
   *
   * @param index The index of the element to return.
   * @return The routeLabels at the given index.
   */
  @java.lang.Override
  public com.google.maps.routing.v2.RouteLabel getRouteLabels(int index) {
    return routeLabels_converter_.convert(routeLabels_.get(index));
  }
  /**
   *
   *
   * <pre>
   * Labels for the `Route` that are useful to identify specific properties
   * of the route to compare against others.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
   *
   * @return A list containing the enum numeric values on the wire for routeLabels.
   */
  @java.lang.Override
  public java.util.List<java.lang.Integer> getRouteLabelsValueList() {
    return routeLabels_;
  }
  /**
   *
   *
   * <pre>
   * Labels for the `Route` that are useful to identify specific properties
   * of the route to compare against others.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
   *
   * @param index The index of the value to return.
   * @return The enum numeric value on the wire of routeLabels at the given index.
   */
  @java.lang.Override
  public int getRouteLabelsValue(int index) {
    return routeLabels_.get(index);
  }

  private int routeLabelsMemoizedSerializedSize;

  public static final int LEGS_FIELD_NUMBER = 1;

  @SuppressWarnings("serial")
  private java.util.List<com.google.maps.routing.v2.RouteLeg> legs_;
  /**
   *
   *
   * <pre>
   * A collection of legs (path segments between waypoints) that make-up the
   * route. Each leg corresponds to the trip between two non-`via`
   * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
   * intermediate waypoints has only one leg. A route that includes one
   * non-`via` intermediate waypoint has two legs. A route that includes one
   * `via` intermediate waypoint has one leg. The order of the legs matches the
   * order of Waypoints from `origin` to `intermediates` to `destination`.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
   */
  @java.lang.Override
  public java.util.List<com.google.maps.routing.v2.RouteLeg> getLegsList() {
    return legs_;
  }
  /**
   *
   *
   * <pre>
   * A collection of legs (path segments between waypoints) that make-up the
   * route. Each leg corresponds to the trip between two non-`via`
   * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
   * intermediate waypoints has only one leg. A route that includes one
   * non-`via` intermediate waypoint has two legs. A route that includes one
   * `via` intermediate waypoint has one leg. The order of the legs matches the
   * order of Waypoints from `origin` to `intermediates` to `destination`.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
   */
  @java.lang.Override
  public java.util.List<? extends com.google.maps.routing.v2.RouteLegOrBuilder>
      getLegsOrBuilderList() {
    return legs_;
  }
  /**
   *
   *
   * <pre>
   * A collection of legs (path segments between waypoints) that make-up the
   * route. Each leg corresponds to the trip between two non-`via`
   * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
   * intermediate waypoints has only one leg. A route that includes one
   * non-`via` intermediate waypoint has two legs. A route that includes one
   * `via` intermediate waypoint has one leg. The order of the legs matches the
   * order of Waypoints from `origin` to `intermediates` to `destination`.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
   */
  @java.lang.Override
  public int getLegsCount() {
    return legs_.size();
  }
  /**
   *
   *
   * <pre>
   * A collection of legs (path segments between waypoints) that make-up the
   * route. Each leg corresponds to the trip between two non-`via`
   * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
   * intermediate waypoints has only one leg. A route that includes one
   * non-`via` intermediate waypoint has two legs. A route that includes one
   * `via` intermediate waypoint has one leg. The order of the legs matches the
   * order of Waypoints from `origin` to `intermediates` to `destination`.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
   */
  @java.lang.Override
  public com.google.maps.routing.v2.RouteLeg getLegs(int index) {
    return legs_.get(index);
  }
  /**
   *
   *
   * <pre>
   * A collection of legs (path segments between waypoints) that make-up the
   * route. Each leg corresponds to the trip between two non-`via`
   * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
   * intermediate waypoints has only one leg. A route that includes one
   * non-`via` intermediate waypoint has two legs. A route that includes one
   * `via` intermediate waypoint has one leg. The order of the legs matches the
   * order of Waypoints from `origin` to `intermediates` to `destination`.
   * </pre>
   *
   * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
   */
  @java.lang.Override
  public com.google.maps.routing.v2.RouteLegOrBuilder getLegsOrBuilder(int index) {
    return legs_.get(index);
  }

  public static final int DISTANCE_METERS_FIELD_NUMBER = 2;
  private int distanceMeters_ = 0;
  /**
   *
   *
   * <pre>
   * The travel distance of the route, in meters.
   * </pre>
   *
   * <code>int32 distance_meters = 2;</code>
   *
   * @return The distanceMeters.
   */
  @java.lang.Override
  public int getDistanceMeters() {
    return distanceMeters_;
  }

  public static final int DURATION_FIELD_NUMBER = 3;
  private com.google.protobuf.Duration duration_;
  /**
   *
   *
   * <pre>
   * The length of time needed to navigate the route. If you set the
   * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
   * `static_duration`. If you set the `routing_preference` to either
   * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
   * taking traffic conditions into account.
   * </pre>
   *
   * <code>.google.protobuf.Duration duration = 3;</code>
   *
   * @return Whether the duration field is set.
   */
  @java.lang.Override
  public boolean hasDuration() {
    return duration_ != null;
  }
  /**
   *
   *
   * <pre>
   * The length of time needed to navigate the route. If you set the
   * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
   * `static_duration`. If you set the `routing_preference` to either
   * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
   * taking traffic conditions into account.
   * </pre>
   *
   * <code>.google.protobuf.Duration duration = 3;</code>
   *
   * @return The duration.
   */
  @java.lang.Override
  public com.google.protobuf.Duration getDuration() {
    return duration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : duration_;
  }
  /**
   *
   *
   * <pre>
   * The length of time needed to navigate the route. If you set the
   * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
   * `static_duration`. If you set the `routing_preference` to either
   * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
   * taking traffic conditions into account.
   * </pre>
   *
   * <code>.google.protobuf.Duration duration = 3;</code>
   */
  @java.lang.Override
  public com.google.protobuf.DurationOrBuilder getDurationOrBuilder() {
    return duration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : duration_;
  }

  public static final int STATIC_DURATION_FIELD_NUMBER = 4;
  private com.google.protobuf.Duration staticDuration_;
  /**
   *
   *
   * <pre>
   * The duration of traveling through the route without taking traffic
   * conditions into consideration.
   * </pre>
   *
   * <code>.google.protobuf.Duration static_duration = 4;</code>
   *
   * @return Whether the staticDuration field is set.
   */
  @java.lang.Override
  public boolean hasStaticDuration() {
    return staticDuration_ != null;
  }
  /**
   *
   *
   * <pre>
   * The duration of traveling through the route without taking traffic
   * conditions into consideration.
   * </pre>
   *
   * <code>.google.protobuf.Duration static_duration = 4;</code>
   *
   * @return The staticDuration.
   */
  @java.lang.Override
  public com.google.protobuf.Duration getStaticDuration() {
    return staticDuration_ == null
        ? com.google.protobuf.Duration.getDefaultInstance()
        : staticDuration_;
  }
  /**
   *
   *
   * <pre>
   * The duration of traveling through the route without taking traffic
   * conditions into consideration.
   * </pre>
   *
   * <code>.google.protobuf.Duration static_duration = 4;</code>
   */
  @java.lang.Override
  public com.google.protobuf.DurationOrBuilder getStaticDurationOrBuilder() {
    return staticDuration_ == null
        ? com.google.protobuf.Duration.getDefaultInstance()
        : staticDuration_;
  }

  public static final int POLYLINE_FIELD_NUMBER = 5;
  private com.google.maps.routing.v2.Polyline polyline_;
  /**
   *
   *
   * <pre>
   * The overall route polyline. This polyline will be the combined polyline of
   * all `legs`.
   * </pre>
   *
   * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
   *
   * @return Whether the polyline field is set.
   */
  @java.lang.Override
  public boolean hasPolyline() {
    return polyline_ != null;
  }
  /**
   *
   *
   * <pre>
   * The overall route polyline. This polyline will be the combined polyline of
   * all `legs`.
   * </pre>
   *
   * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
   *
   * @return The polyline.
   */
  @java.lang.Override
  public com.google.maps.routing.v2.Polyline getPolyline() {
    return polyline_ == null ? com.google.maps.routing.v2.Polyline.getDefaultInstance() : polyline_;
  }
  /**
   *
   *
   * <pre>
   * The overall route polyline. This polyline will be the combined polyline of
   * all `legs`.
   * </pre>
   *
   * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
   */
  @java.lang.Override
  public com.google.maps.routing.v2.PolylineOrBuilder getPolylineOrBuilder() {
    return polyline_ == null ? com.google.maps.routing.v2.Polyline.getDefaultInstance() : polyline_;
  }

  public static final int DESCRIPTION_FIELD_NUMBER = 6;

  @SuppressWarnings("serial")
  private volatile java.lang.Object description_ = "";
  /**
   *
   *
   * <pre>
   * A description of the route.
   * </pre>
   *
   * <code>string description = 6;</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>
   * A description of the route.
   * </pre>
   *
   * <code>string description = 6;</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 WARNINGS_FIELD_NUMBER = 7;

  @SuppressWarnings("serial")
  private com.google.protobuf.LazyStringList warnings_;
  /**
   *
   *
   * <pre>
   * An array of warnings to show when displaying the route.
   * </pre>
   *
   * <code>repeated string warnings = 7;</code>
   *
   * @return A list containing the warnings.
   */
  public com.google.protobuf.ProtocolStringList getWarningsList() {
    return warnings_;
  }
  /**
   *
   *
   * <pre>
   * An array of warnings to show when displaying the route.
   * </pre>
   *
   * <code>repeated string warnings = 7;</code>
   *
   * @return The count of warnings.
   */
  public int getWarningsCount() {
    return warnings_.size();
  }
  /**
   *
   *
   * <pre>
   * An array of warnings to show when displaying the route.
   * </pre>
   *
   * <code>repeated string warnings = 7;</code>
   *
   * @param index The index of the element to return.
   * @return The warnings at the given index.
   */
  public java.lang.String getWarnings(int index) {
    return warnings_.get(index);
  }
  /**
   *
   *
   * <pre>
   * An array of warnings to show when displaying the route.
   * </pre>
   *
   * <code>repeated string warnings = 7;</code>
   *
   * @param index The index of the value to return.
   * @return The bytes of the warnings at the given index.
   */
  public com.google.protobuf.ByteString getWarningsBytes(int index) {
    return warnings_.getByteString(index);
  }

  public static final int VIEWPORT_FIELD_NUMBER = 8;
  private com.google.geo.type.Viewport viewport_;
  /**
   *
   *
   * <pre>
   * The viewport bounding box of the polyline.
   * </pre>
   *
   * <code>.google.geo.type.Viewport viewport = 8;</code>
   *
   * @return Whether the viewport field is set.
   */
  @java.lang.Override
  public boolean hasViewport() {
    return viewport_ != null;
  }
  /**
   *
   *
   * <pre>
   * The viewport bounding box of the polyline.
   * </pre>
   *
   * <code>.google.geo.type.Viewport viewport = 8;</code>
   *
   * @return The viewport.
   */
  @java.lang.Override
  public com.google.geo.type.Viewport getViewport() {
    return viewport_ == null ? com.google.geo.type.Viewport.getDefaultInstance() : viewport_;
  }
  /**
   *
   *
   * <pre>
   * The viewport bounding box of the polyline.
   * </pre>
   *
   * <code>.google.geo.type.Viewport viewport = 8;</code>
   */
  @java.lang.Override
  public com.google.geo.type.ViewportOrBuilder getViewportOrBuilder() {
    return viewport_ == null ? com.google.geo.type.Viewport.getDefaultInstance() : viewport_;
  }

  public static final int TRAVEL_ADVISORY_FIELD_NUMBER = 9;
  private com.google.maps.routing.v2.RouteTravelAdvisory travelAdvisory_;
  /**
   *
   *
   * <pre>
   * Additional information about the route.
   * </pre>
   *
   * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
   *
   * @return Whether the travelAdvisory field is set.
   */
  @java.lang.Override
  public boolean hasTravelAdvisory() {
    return travelAdvisory_ != null;
  }
  /**
   *
   *
   * <pre>
   * Additional information about the route.
   * </pre>
   *
   * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
   *
   * @return The travelAdvisory.
   */
  @java.lang.Override
  public com.google.maps.routing.v2.RouteTravelAdvisory getTravelAdvisory() {
    return travelAdvisory_ == null
        ? com.google.maps.routing.v2.RouteTravelAdvisory.getDefaultInstance()
        : travelAdvisory_;
  }
  /**
   *
   *
   * <pre>
   * Additional information about the route.
   * </pre>
   *
   * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
   */
  @java.lang.Override
  public com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder getTravelAdvisoryOrBuilder() {
    return travelAdvisory_ == null
        ? com.google.maps.routing.v2.RouteTravelAdvisory.getDefaultInstance()
        : travelAdvisory_;
  }

  public static final int ROUTE_TOKEN_FIELD_NUMBER = 12;

  @SuppressWarnings("serial")
  private volatile java.lang.Object routeToken_ = "";
  /**
   *
   *
   * <pre>
   * Web-safe base64 encoded route token that can be passed to NavigationSDK,
   * which allows the Navigation SDK to reconstruct the route during navigation,
   * and in the event of rerouting honor the original intention when Routes
   * ComputeRoutes is called. Customers should treat this token as an
   * opaque blob.
   * NOTE: `Route.route_token` is only available for requests that have set
   * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
   * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
   * requests that have Via waypoints.
   * </pre>
   *
   * <code>string route_token = 12;</code>
   *
   * @return The routeToken.
   */
  @java.lang.Override
  public java.lang.String getRouteToken() {
    java.lang.Object ref = routeToken_;
    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();
      routeToken_ = s;
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * Web-safe base64 encoded route token that can be passed to NavigationSDK,
   * which allows the Navigation SDK to reconstruct the route during navigation,
   * and in the event of rerouting honor the original intention when Routes
   * ComputeRoutes is called. Customers should treat this token as an
   * opaque blob.
   * NOTE: `Route.route_token` is only available for requests that have set
   * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
   * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
   * requests that have Via waypoints.
   * </pre>
   *
   * <code>string route_token = 12;</code>
   *
   * @return The bytes for routeToken.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString getRouteTokenBytes() {
    java.lang.Object ref = routeToken_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      routeToken_ = 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 {
    getSerializedSize();
    for (int i = 0; i < legs_.size(); i++) {
      output.writeMessage(1, legs_.get(i));
    }
    if (distanceMeters_ != 0) {
      output.writeInt32(2, distanceMeters_);
    }
    if (duration_ != null) {
      output.writeMessage(3, getDuration());
    }
    if (staticDuration_ != null) {
      output.writeMessage(4, getStaticDuration());
    }
    if (polyline_ != null) {
      output.writeMessage(5, getPolyline());
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, description_);
    }
    for (int i = 0; i < warnings_.size(); i++) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, warnings_.getRaw(i));
    }
    if (viewport_ != null) {
      output.writeMessage(8, getViewport());
    }
    if (travelAdvisory_ != null) {
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  /**
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   * </pre>
   *
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    /**
     *
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     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
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     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
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     * </pre>
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     *
     * @return The count of routeLabels.
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     *
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     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
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     * @return The routeLabels at the given index.
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     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
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     * </pre>
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     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param index The index to set the value at.
     * @param value The routeLabels to set.
     * @return This builder for chaining.
     */
    public Builder setRouteLabels(int index, com.google.maps.routing.v2.RouteLabel value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureRouteLabelsIsMutable();
      routeLabels_.set(index, value.getNumber());
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param value The routeLabels to add.
     * @return This builder for chaining.
     */
    public Builder addRouteLabels(com.google.maps.routing.v2.RouteLabel value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureRouteLabelsIsMutable();
      routeLabels_.add(value.getNumber());
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param values The routeLabels to add.
     * @return This builder for chaining.
     */
    public Builder addAllRouteLabels(
        java.lang.Iterable<? extends com.google.maps.routing.v2.RouteLabel> values) {
      ensureRouteLabelsIsMutable();
      for (com.google.maps.routing.v2.RouteLabel value : values) {
        routeLabels_.add(value.getNumber());
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearRouteLabels() {
      routeLabels_ = java.util.Collections.emptyList();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @return A list containing the enum numeric values on the wire for routeLabels.
     */
    public java.util.List<java.lang.Integer> getRouteLabelsValueList() {
      return java.util.Collections.unmodifiableList(routeLabels_);
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param index The index of the value to return.
     * @return The enum numeric value on the wire of routeLabels at the given index.
     */
    public int getRouteLabelsValue(int index) {
      return routeLabels_.get(index);
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param index The index to set the value at.
     * @param value The enum numeric value on the wire for routeLabels to set.
     * @return This builder for chaining.
     */
    public Builder setRouteLabelsValue(int index, int value) {
      ensureRouteLabelsIsMutable();
      routeLabels_.set(index, value);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param value The enum numeric value on the wire for routeLabels to add.
     * @return This builder for chaining.
     */
    public Builder addRouteLabelsValue(int value) {
      ensureRouteLabelsIsMutable();
      routeLabels_.add(value);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Labels for the `Route` that are useful to identify specific properties
     * of the route to compare against others.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLabel route_labels = 13;</code>
     *
     * @param values The enum numeric values on the wire for routeLabels to add.
     * @return This builder for chaining.
     */
    public Builder addAllRouteLabelsValue(java.lang.Iterable<java.lang.Integer> values) {
      ensureRouteLabelsIsMutable();
      for (int value : values) {
        routeLabels_.add(value);
      }
      onChanged();
      return this;
    }

    private java.util.List<com.google.maps.routing.v2.RouteLeg> legs_ =
        java.util.Collections.emptyList();

    private void ensureLegsIsMutable() {
      if (!((bitField0_ & 0x00000002) != 0)) {
        legs_ = new java.util.ArrayList<com.google.maps.routing.v2.RouteLeg>(legs_);
        bitField0_ |= 0x00000002;
      }
    }

    private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.maps.routing.v2.RouteLeg,
            com.google.maps.routing.v2.RouteLeg.Builder,
            com.google.maps.routing.v2.RouteLegOrBuilder>
        legsBuilder_;

    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public java.util.List<com.google.maps.routing.v2.RouteLeg> getLegsList() {
      if (legsBuilder_ == null) {
        return java.util.Collections.unmodifiableList(legs_);
      } else {
        return legsBuilder_.getMessageList();
      }
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public int getLegsCount() {
      if (legsBuilder_ == null) {
        return legs_.size();
      } else {
        return legsBuilder_.getCount();
      }
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public com.google.maps.routing.v2.RouteLeg getLegs(int index) {
      if (legsBuilder_ == null) {
        return legs_.get(index);
      } else {
        return legsBuilder_.getMessage(index);
      }
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder setLegs(int index, com.google.maps.routing.v2.RouteLeg value) {
      if (legsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureLegsIsMutable();
        legs_.set(index, value);
        onChanged();
      } else {
        legsBuilder_.setMessage(index, value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder setLegs(int index, com.google.maps.routing.v2.RouteLeg.Builder builderForValue) {
      if (legsBuilder_ == null) {
        ensureLegsIsMutable();
        legs_.set(index, builderForValue.build());
        onChanged();
      } else {
        legsBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder addLegs(com.google.maps.routing.v2.RouteLeg value) {
      if (legsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureLegsIsMutable();
        legs_.add(value);
        onChanged();
      } else {
        legsBuilder_.addMessage(value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder addLegs(int index, com.google.maps.routing.v2.RouteLeg value) {
      if (legsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureLegsIsMutable();
        legs_.add(index, value);
        onChanged();
      } else {
        legsBuilder_.addMessage(index, value);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder addLegs(com.google.maps.routing.v2.RouteLeg.Builder builderForValue) {
      if (legsBuilder_ == null) {
        ensureLegsIsMutable();
        legs_.add(builderForValue.build());
        onChanged();
      } else {
        legsBuilder_.addMessage(builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder addLegs(int index, com.google.maps.routing.v2.RouteLeg.Builder builderForValue) {
      if (legsBuilder_ == null) {
        ensureLegsIsMutable();
        legs_.add(index, builderForValue.build());
        onChanged();
      } else {
        legsBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder addAllLegs(
        java.lang.Iterable<? extends com.google.maps.routing.v2.RouteLeg> values) {
      if (legsBuilder_ == null) {
        ensureLegsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, legs_);
        onChanged();
      } else {
        legsBuilder_.addAllMessages(values);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder clearLegs() {
      if (legsBuilder_ == null) {
        legs_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
      } else {
        legsBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public Builder removeLegs(int index) {
      if (legsBuilder_ == null) {
        ensureLegsIsMutable();
        legs_.remove(index);
        onChanged();
      } else {
        legsBuilder_.remove(index);
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public com.google.maps.routing.v2.RouteLeg.Builder getLegsBuilder(int index) {
      return getLegsFieldBuilder().getBuilder(index);
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public com.google.maps.routing.v2.RouteLegOrBuilder getLegsOrBuilder(int index) {
      if (legsBuilder_ == null) {
        return legs_.get(index);
      } else {
        return legsBuilder_.getMessageOrBuilder(index);
      }
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public java.util.List<? extends com.google.maps.routing.v2.RouteLegOrBuilder>
        getLegsOrBuilderList() {
      if (legsBuilder_ != null) {
        return legsBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(legs_);
      }
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public com.google.maps.routing.v2.RouteLeg.Builder addLegsBuilder() {
      return getLegsFieldBuilder()
          .addBuilder(com.google.maps.routing.v2.RouteLeg.getDefaultInstance());
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public com.google.maps.routing.v2.RouteLeg.Builder addLegsBuilder(int index) {
      return getLegsFieldBuilder()
          .addBuilder(index, com.google.maps.routing.v2.RouteLeg.getDefaultInstance());
    }
    /**
     *
     *
     * <pre>
     * A collection of legs (path segments between waypoints) that make-up the
     * route. Each leg corresponds to the trip between two non-`via`
     * [Waypoints][google.maps.routing.v2.Waypoint]. For example, a route with no
     * intermediate waypoints has only one leg. A route that includes one
     * non-`via` intermediate waypoint has two legs. A route that includes one
     * `via` intermediate waypoint has one leg. The order of the legs matches the
     * order of Waypoints from `origin` to `intermediates` to `destination`.
     * </pre>
     *
     * <code>repeated .google.maps.routing.v2.RouteLeg legs = 1;</code>
     */
    public java.util.List<com.google.maps.routing.v2.RouteLeg.Builder> getLegsBuilderList() {
      return getLegsFieldBuilder().getBuilderList();
    }

    private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.maps.routing.v2.RouteLeg,
            com.google.maps.routing.v2.RouteLeg.Builder,
            com.google.maps.routing.v2.RouteLegOrBuilder>
        getLegsFieldBuilder() {
      if (legsBuilder_ == null) {
        legsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.maps.routing.v2.RouteLeg,
                com.google.maps.routing.v2.RouteLeg.Builder,
                com.google.maps.routing.v2.RouteLegOrBuilder>(
                legs_, ((bitField0_ & 0x00000002) != 0), getParentForChildren(), isClean());
        legs_ = null;
      }
      return legsBuilder_;
    }

    private int distanceMeters_;
    /**
     *
     *
     * <pre>
     * The travel distance of the route, in meters.
     * </pre>
     *
     * <code>int32 distance_meters = 2;</code>
     *
     * @return The distanceMeters.
     */
    @java.lang.Override
    public int getDistanceMeters() {
      return distanceMeters_;
    }
    /**
     *
     *
     * <pre>
     * The travel distance of the route, in meters.
     * </pre>
     *
     * <code>int32 distance_meters = 2;</code>
     *
     * @param value The distanceMeters to set.
     * @return This builder for chaining.
     */
    public Builder setDistanceMeters(int value) {

      distanceMeters_ = value;
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The travel distance of the route, in meters.
     * </pre>
     *
     * <code>int32 distance_meters = 2;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearDistanceMeters() {
      bitField0_ = (bitField0_ & ~0x00000004);
      distanceMeters_ = 0;
      onChanged();
      return this;
    }

    private com.google.protobuf.Duration duration_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        durationBuilder_;
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     *
     * @return Whether the duration field is set.
     */
    public boolean hasDuration() {
      return ((bitField0_ & 0x00000008) != 0);
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     *
     * @return The duration.
     */
    public com.google.protobuf.Duration getDuration() {
      if (durationBuilder_ == null) {
        return duration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : duration_;
      } else {
        return durationBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    public Builder setDuration(com.google.protobuf.Duration value) {
      if (durationBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        duration_ = value;
      } else {
        durationBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    public Builder setDuration(com.google.protobuf.Duration.Builder builderForValue) {
      if (durationBuilder_ == null) {
        duration_ = builderForValue.build();
      } else {
        durationBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    public Builder mergeDuration(com.google.protobuf.Duration value) {
      if (durationBuilder_ == null) {
        if (((bitField0_ & 0x00000008) != 0)
            && duration_ != null
            && duration_ != com.google.protobuf.Duration.getDefaultInstance()) {
          getDurationBuilder().mergeFrom(value);
        } else {
          duration_ = value;
        }
      } else {
        durationBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    public Builder clearDuration() {
      bitField0_ = (bitField0_ & ~0x00000008);
      duration_ = null;
      if (durationBuilder_ != null) {
        durationBuilder_.dispose();
        durationBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    public com.google.protobuf.Duration.Builder getDurationBuilder() {
      bitField0_ |= 0x00000008;
      onChanged();
      return getDurationFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    public com.google.protobuf.DurationOrBuilder getDurationOrBuilder() {
      if (durationBuilder_ != null) {
        return durationBuilder_.getMessageOrBuilder();
      } else {
        return duration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : duration_;
      }
    }
    /**
     *
     *
     * <pre>
     * The length of time needed to navigate the route. If you set the
     * `routing_preference` to `TRAFFIC_UNAWARE`, then this value is the same as
     * `static_duration`. If you set the `routing_preference` to either
     * `TRAFFIC_AWARE` or `TRAFFIC_AWARE_OPTIMAL`, then this value is calculated
     * taking traffic conditions into account.
     * </pre>
     *
     * <code>.google.protobuf.Duration duration = 3;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        getDurationFieldBuilder() {
      if (durationBuilder_ == null) {
        durationBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Duration,
                com.google.protobuf.Duration.Builder,
                com.google.protobuf.DurationOrBuilder>(
                getDuration(), getParentForChildren(), isClean());
        duration_ = null;
      }
      return durationBuilder_;
    }

    private com.google.protobuf.Duration staticDuration_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        staticDurationBuilder_;
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     *
     * @return Whether the staticDuration field is set.
     */
    public boolean hasStaticDuration() {
      return ((bitField0_ & 0x00000010) != 0);
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     *
     * @return The staticDuration.
     */
    public com.google.protobuf.Duration getStaticDuration() {
      if (staticDurationBuilder_ == null) {
        return staticDuration_ == null
            ? com.google.protobuf.Duration.getDefaultInstance()
            : staticDuration_;
      } else {
        return staticDurationBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    public Builder setStaticDuration(com.google.protobuf.Duration value) {
      if (staticDurationBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        staticDuration_ = value;
      } else {
        staticDurationBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    public Builder setStaticDuration(com.google.protobuf.Duration.Builder builderForValue) {
      if (staticDurationBuilder_ == null) {
        staticDuration_ = builderForValue.build();
      } else {
        staticDurationBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    public Builder mergeStaticDuration(com.google.protobuf.Duration value) {
      if (staticDurationBuilder_ == null) {
        if (((bitField0_ & 0x00000010) != 0)
            && staticDuration_ != null
            && staticDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
          getStaticDurationBuilder().mergeFrom(value);
        } else {
          staticDuration_ = value;
        }
      } else {
        staticDurationBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    public Builder clearStaticDuration() {
      bitField0_ = (bitField0_ & ~0x00000010);
      staticDuration_ = null;
      if (staticDurationBuilder_ != null) {
        staticDurationBuilder_.dispose();
        staticDurationBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    public com.google.protobuf.Duration.Builder getStaticDurationBuilder() {
      bitField0_ |= 0x00000010;
      onChanged();
      return getStaticDurationFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    public com.google.protobuf.DurationOrBuilder getStaticDurationOrBuilder() {
      if (staticDurationBuilder_ != null) {
        return staticDurationBuilder_.getMessageOrBuilder();
      } else {
        return staticDuration_ == null
            ? com.google.protobuf.Duration.getDefaultInstance()
            : staticDuration_;
      }
    }
    /**
     *
     *
     * <pre>
     * The duration of traveling through the route without taking traffic
     * conditions into consideration.
     * </pre>
     *
     * <code>.google.protobuf.Duration static_duration = 4;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        getStaticDurationFieldBuilder() {
      if (staticDurationBuilder_ == null) {
        staticDurationBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Duration,
                com.google.protobuf.Duration.Builder,
                com.google.protobuf.DurationOrBuilder>(
                getStaticDuration(), getParentForChildren(), isClean());
        staticDuration_ = null;
      }
      return staticDurationBuilder_;
    }

    private com.google.maps.routing.v2.Polyline polyline_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.maps.routing.v2.Polyline,
            com.google.maps.routing.v2.Polyline.Builder,
            com.google.maps.routing.v2.PolylineOrBuilder>
        polylineBuilder_;
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     *
     * @return Whether the polyline field is set.
     */
    public boolean hasPolyline() {
      return ((bitField0_ & 0x00000020) != 0);
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     *
     * @return The polyline.
     */
    public com.google.maps.routing.v2.Polyline getPolyline() {
      if (polylineBuilder_ == null) {
        return polyline_ == null
            ? com.google.maps.routing.v2.Polyline.getDefaultInstance()
            : polyline_;
      } else {
        return polylineBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    public Builder setPolyline(com.google.maps.routing.v2.Polyline value) {
      if (polylineBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        polyline_ = value;
      } else {
        polylineBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    public Builder setPolyline(com.google.maps.routing.v2.Polyline.Builder builderForValue) {
      if (polylineBuilder_ == null) {
        polyline_ = builderForValue.build();
      } else {
        polylineBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    public Builder mergePolyline(com.google.maps.routing.v2.Polyline value) {
      if (polylineBuilder_ == null) {
        if (((bitField0_ & 0x00000020) != 0)
            && polyline_ != null
            && polyline_ != com.google.maps.routing.v2.Polyline.getDefaultInstance()) {
          getPolylineBuilder().mergeFrom(value);
        } else {
          polyline_ = value;
        }
      } else {
        polylineBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    public Builder clearPolyline() {
      bitField0_ = (bitField0_ & ~0x00000020);
      polyline_ = null;
      if (polylineBuilder_ != null) {
        polylineBuilder_.dispose();
        polylineBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    public com.google.maps.routing.v2.Polyline.Builder getPolylineBuilder() {
      bitField0_ |= 0x00000020;
      onChanged();
      return getPolylineFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    public com.google.maps.routing.v2.PolylineOrBuilder getPolylineOrBuilder() {
      if (polylineBuilder_ != null) {
        return polylineBuilder_.getMessageOrBuilder();
      } else {
        return polyline_ == null
            ? com.google.maps.routing.v2.Polyline.getDefaultInstance()
            : polyline_;
      }
    }
    /**
     *
     *
     * <pre>
     * The overall route polyline. This polyline will be the combined polyline of
     * all `legs`.
     * </pre>
     *
     * <code>.google.maps.routing.v2.Polyline polyline = 5;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.maps.routing.v2.Polyline,
            com.google.maps.routing.v2.Polyline.Builder,
            com.google.maps.routing.v2.PolylineOrBuilder>
        getPolylineFieldBuilder() {
      if (polylineBuilder_ == null) {
        polylineBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.maps.routing.v2.Polyline,
                com.google.maps.routing.v2.Polyline.Builder,
                com.google.maps.routing.v2.PolylineOrBuilder>(
                getPolyline(), getParentForChildren(), isClean());
        polyline_ = null;
      }
      return polylineBuilder_;
    }

    private java.lang.Object description_ = "";
    /**
     *
     *
     * <pre>
     * A description of the route.
     * </pre>
     *
     * <code>string description = 6;</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>
     * A description of the route.
     * </pre>
     *
     * <code>string description = 6;</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>
     * A description of the route.
     * </pre>
     *
     * <code>string description = 6;</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_ |= 0x00000040;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A description of the route.
     * </pre>
     *
     * <code>string description = 6;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearDescription() {
      description_ = getDefaultInstance().getDescription();
      bitField0_ = (bitField0_ & ~0x00000040);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * A description of the route.
     * </pre>
     *
     * <code>string description = 6;</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_ |= 0x00000040;
      onChanged();
      return this;
    }

    private com.google.protobuf.LazyStringList warnings_ =
        com.google.protobuf.LazyStringArrayList.EMPTY;

    private void ensureWarningsIsMutable() {
      if (!((bitField0_ & 0x00000080) != 0)) {
        warnings_ = new com.google.protobuf.LazyStringArrayList(warnings_);
        bitField0_ |= 0x00000080;
      }
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @return A list containing the warnings.
     */
    public com.google.protobuf.ProtocolStringList getWarningsList() {
      return warnings_.getUnmodifiableView();
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @return The count of warnings.
     */
    public int getWarningsCount() {
      return warnings_.size();
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @param index The index of the element to return.
     * @return The warnings at the given index.
     */
    public java.lang.String getWarnings(int index) {
      return warnings_.get(index);
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @param index The index of the value to return.
     * @return The bytes of the warnings at the given index.
     */
    public com.google.protobuf.ByteString getWarningsBytes(int index) {
      return warnings_.getByteString(index);
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @param index The index to set the value at.
     * @param value The warnings to set.
     * @return This builder for chaining.
     */
    public Builder setWarnings(int index, java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureWarningsIsMutable();
      warnings_.set(index, value);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @param value The warnings to add.
     * @return This builder for chaining.
     */
    public Builder addWarnings(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      ensureWarningsIsMutable();
      warnings_.add(value);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @param values The warnings to add.
     * @return This builder for chaining.
     */
    public Builder addAllWarnings(java.lang.Iterable<java.lang.String> values) {
      ensureWarningsIsMutable();
      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, warnings_);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearWarnings() {
      warnings_ = com.google.protobuf.LazyStringArrayList.EMPTY;
      bitField0_ = (bitField0_ & ~0x00000080);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * An array of warnings to show when displaying the route.
     * </pre>
     *
     * <code>repeated string warnings = 7;</code>
     *
     * @param value The bytes of the warnings to add.
     * @return This builder for chaining.
     */
    public Builder addWarningsBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      ensureWarningsIsMutable();
      warnings_.add(value);
      onChanged();
      return this;
    }

    private com.google.geo.type.Viewport viewport_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.geo.type.Viewport,
            com.google.geo.type.Viewport.Builder,
            com.google.geo.type.ViewportOrBuilder>
        viewportBuilder_;
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     *
     * @return Whether the viewport field is set.
     */
    public boolean hasViewport() {
      return ((bitField0_ & 0x00000100) != 0);
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     *
     * @return The viewport.
     */
    public com.google.geo.type.Viewport getViewport() {
      if (viewportBuilder_ == null) {
        return viewport_ == null ? com.google.geo.type.Viewport.getDefaultInstance() : viewport_;
      } else {
        return viewportBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    public Builder setViewport(com.google.geo.type.Viewport value) {
      if (viewportBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        viewport_ = value;
      } else {
        viewportBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    public Builder setViewport(com.google.geo.type.Viewport.Builder builderForValue) {
      if (viewportBuilder_ == null) {
        viewport_ = builderForValue.build();
      } else {
        viewportBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    public Builder mergeViewport(com.google.geo.type.Viewport value) {
      if (viewportBuilder_ == null) {
        if (((bitField0_ & 0x00000100) != 0)
            && viewport_ != null
            && viewport_ != com.google.geo.type.Viewport.getDefaultInstance()) {
          getViewportBuilder().mergeFrom(value);
        } else {
          viewport_ = value;
        }
      } else {
        viewportBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    public Builder clearViewport() {
      bitField0_ = (bitField0_ & ~0x00000100);
      viewport_ = null;
      if (viewportBuilder_ != null) {
        viewportBuilder_.dispose();
        viewportBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    public com.google.geo.type.Viewport.Builder getViewportBuilder() {
      bitField0_ |= 0x00000100;
      onChanged();
      return getViewportFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    public com.google.geo.type.ViewportOrBuilder getViewportOrBuilder() {
      if (viewportBuilder_ != null) {
        return viewportBuilder_.getMessageOrBuilder();
      } else {
        return viewport_ == null ? com.google.geo.type.Viewport.getDefaultInstance() : viewport_;
      }
    }
    /**
     *
     *
     * <pre>
     * The viewport bounding box of the polyline.
     * </pre>
     *
     * <code>.google.geo.type.Viewport viewport = 8;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.geo.type.Viewport,
            com.google.geo.type.Viewport.Builder,
            com.google.geo.type.ViewportOrBuilder>
        getViewportFieldBuilder() {
      if (viewportBuilder_ == null) {
        viewportBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.geo.type.Viewport,
                com.google.geo.type.Viewport.Builder,
                com.google.geo.type.ViewportOrBuilder>(
                getViewport(), getParentForChildren(), isClean());
        viewport_ = null;
      }
      return viewportBuilder_;
    }

    private com.google.maps.routing.v2.RouteTravelAdvisory travelAdvisory_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.maps.routing.v2.RouteTravelAdvisory,
            com.google.maps.routing.v2.RouteTravelAdvisory.Builder,
            com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder>
        travelAdvisoryBuilder_;
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     *
     * @return Whether the travelAdvisory field is set.
     */
    public boolean hasTravelAdvisory() {
      return ((bitField0_ & 0x00000200) != 0);
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     *
     * @return The travelAdvisory.
     */
    public com.google.maps.routing.v2.RouteTravelAdvisory getTravelAdvisory() {
      if (travelAdvisoryBuilder_ == null) {
        return travelAdvisory_ == null
            ? com.google.maps.routing.v2.RouteTravelAdvisory.getDefaultInstance()
            : travelAdvisory_;
      } else {
        return travelAdvisoryBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    public Builder setTravelAdvisory(com.google.maps.routing.v2.RouteTravelAdvisory value) {
      if (travelAdvisoryBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        travelAdvisory_ = value;
      } else {
        travelAdvisoryBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000200;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    public Builder setTravelAdvisory(
        com.google.maps.routing.v2.RouteTravelAdvisory.Builder builderForValue) {
      if (travelAdvisoryBuilder_ == null) {
        travelAdvisory_ = builderForValue.build();
      } else {
        travelAdvisoryBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000200;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    public Builder mergeTravelAdvisory(com.google.maps.routing.v2.RouteTravelAdvisory value) {
      if (travelAdvisoryBuilder_ == null) {
        if (((bitField0_ & 0x00000200) != 0)
            && travelAdvisory_ != null
            && travelAdvisory_
                != com.google.maps.routing.v2.RouteTravelAdvisory.getDefaultInstance()) {
          getTravelAdvisoryBuilder().mergeFrom(value);
        } else {
          travelAdvisory_ = value;
        }
      } else {
        travelAdvisoryBuilder_.mergeFrom(value);
      }
      bitField0_ |= 0x00000200;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    public Builder clearTravelAdvisory() {
      bitField0_ = (bitField0_ & ~0x00000200);
      travelAdvisory_ = null;
      if (travelAdvisoryBuilder_ != null) {
        travelAdvisoryBuilder_.dispose();
        travelAdvisoryBuilder_ = null;
      }
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    public com.google.maps.routing.v2.RouteTravelAdvisory.Builder getTravelAdvisoryBuilder() {
      bitField0_ |= 0x00000200;
      onChanged();
      return getTravelAdvisoryFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    public com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder getTravelAdvisoryOrBuilder() {
      if (travelAdvisoryBuilder_ != null) {
        return travelAdvisoryBuilder_.getMessageOrBuilder();
      } else {
        return travelAdvisory_ == null
            ? com.google.maps.routing.v2.RouteTravelAdvisory.getDefaultInstance()
            : travelAdvisory_;
      }
    }
    /**
     *
     *
     * <pre>
     * Additional information about the route.
     * </pre>
     *
     * <code>.google.maps.routing.v2.RouteTravelAdvisory travel_advisory = 9;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.maps.routing.v2.RouteTravelAdvisory,
            com.google.maps.routing.v2.RouteTravelAdvisory.Builder,
            com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder>
        getTravelAdvisoryFieldBuilder() {
      if (travelAdvisoryBuilder_ == null) {
        travelAdvisoryBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.maps.routing.v2.RouteTravelAdvisory,
                com.google.maps.routing.v2.RouteTravelAdvisory.Builder,
                com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder>(
                getTravelAdvisory(), getParentForChildren(), isClean());
        travelAdvisory_ = null;
      }
      return travelAdvisoryBuilder_;
    }

    private java.lang.Object routeToken_ = "";
    /**
     *
     *
     * <pre>
     * Web-safe base64 encoded route token that can be passed to NavigationSDK,
     * which allows the Navigation SDK to reconstruct the route during navigation,
     * and in the event of rerouting honor the original intention when Routes
     * ComputeRoutes is called. Customers should treat this token as an
     * opaque blob.
     * NOTE: `Route.route_token` is only available for requests that have set
     * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
     * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
     * requests that have Via waypoints.
     * </pre>
     *
     * <code>string route_token = 12;</code>
     *
     * @return The routeToken.
     */
    public java.lang.String getRouteToken() {
      java.lang.Object ref = routeToken_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        routeToken_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Web-safe base64 encoded route token that can be passed to NavigationSDK,
     * which allows the Navigation SDK to reconstruct the route during navigation,
     * and in the event of rerouting honor the original intention when Routes
     * ComputeRoutes is called. Customers should treat this token as an
     * opaque blob.
     * NOTE: `Route.route_token` is only available for requests that have set
     * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
     * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
     * requests that have Via waypoints.
     * </pre>
     *
     * <code>string route_token = 12;</code>
     *
     * @return The bytes for routeToken.
     */
    public com.google.protobuf.ByteString getRouteTokenBytes() {
      java.lang.Object ref = routeToken_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        routeToken_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Web-safe base64 encoded route token that can be passed to NavigationSDK,
     * which allows the Navigation SDK to reconstruct the route during navigation,
     * and in the event of rerouting honor the original intention when Routes
     * ComputeRoutes is called. Customers should treat this token as an
     * opaque blob.
     * NOTE: `Route.route_token` is only available for requests that have set
     * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
     * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
     * requests that have Via waypoints.
     * </pre>
     *
     * <code>string route_token = 12;</code>
     *
     * @param value The routeToken to set.
     * @return This builder for chaining.
     */
    public Builder setRouteToken(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      routeToken_ = value;
      bitField0_ |= 0x00000400;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Web-safe base64 encoded route token that can be passed to NavigationSDK,
     * which allows the Navigation SDK to reconstruct the route during navigation,
     * and in the event of rerouting honor the original intention when Routes
     * ComputeRoutes is called. Customers should treat this token as an
     * opaque blob.
     * NOTE: `Route.route_token` is only available for requests that have set
     * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
     * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
     * requests that have Via waypoints.
     * </pre>
     *
     * <code>string route_token = 12;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearRouteToken() {
      routeToken_ = getDefaultInstance().getRouteToken();
      bitField0_ = (bitField0_ & ~0x00000400);
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Web-safe base64 encoded route token that can be passed to NavigationSDK,
     * which allows the Navigation SDK to reconstruct the route during navigation,
     * and in the event of rerouting honor the original intention when Routes
     * ComputeRoutes is called. Customers should treat this token as an
     * opaque blob.
     * NOTE: `Route.route_token` is only available for requests that have set
     * `ComputeRoutesRequest.routing_preference` to `TRAFFIC_AWARE` or
     * `TRAFFIC_AWARE_OPTIMAL`. `Route.route_token` is also not supported for
     * requests that have Via waypoints.
     * </pre>
     *
     * <code>string route_token = 12;</code>
     *
     * @param value The bytes for routeToken to set.
     * @return This builder for chaining.
     */
    public Builder setRouteTokenBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      routeToken_ = value;
      bitField0_ |= 0x00000400;
      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.maps.routing.v2.Route)
  }

  // @@protoc_insertion_point(class_scope:google.maps.routing.v2.Route)
  private static final com.google.maps.routing.v2.Route DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.maps.routing.v2.Route();
  }

  public static com.google.maps.routing.v2.Route getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

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

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

  @java.lang.Override
  public com.google.maps.routing.v2.Route getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}