diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequest.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequest.java
index 48d661e9795e..57b858d4fd12 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequest.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequest.java
@@ -76,8 +76,8 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -99,8 +99,8 @@ public java.util.List<com.google.maps.routing.v2.RouteMatrixOrigin> getOriginsLi
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -123,8 +123,8 @@ public java.util.List<com.google.maps.routing.v2.RouteMatrixOrigin> getOriginsLi
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -146,8 +146,8 @@ public int getOriginsCount() {
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -169,8 +169,8 @@ public com.google.maps.routing.v2.RouteMatrixOrigin getOrigins(int index) {
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -195,7 +195,8 @@ public com.google.maps.routing.v2.RouteMatrixOriginOrBuilder getOriginsOrBuilder
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -210,7 +211,8 @@ public java.util.List<com.google.maps.routing.v2.RouteMatrixDestination> getDest
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -226,7 +228,8 @@ public java.util.List<com.google.maps.routing.v2.RouteMatrixDestination> getDest
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -241,7 +244,8 @@ public int getDestinationsCount() {
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -256,7 +260,8 @@ public com.google.maps.routing.v2.RouteMatrixDestination getDestinations(int ind
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -315,13 +320,11 @@ public com.google.maps.routing.v2.RouteTravelMode getTravelMode() {
    *
    *
    * <pre>
-   * Optional. Specifies how to compute the route. The server attempts to use the selected
-   * routing preference to compute the route. If the routing preference results
-   * in an error or an extra long latency, an error is returned. In the future,
-   * we might implement a fallback mechanism to use a different option when the
-   * preferred option does not give a valid result. You can specify this option
-   * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-   * request fails.
+   * Optional. Specifies how to compute the route. The server attempts to use
+   * the selected routing preference to compute the route. If the routing
+   * preference results in an error or an extra long latency, an error is
+   * returned. You can specify this option only when the `travel_mode` is
+   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -338,13 +341,11 @@ public int getRoutingPreferenceValue() {
    *
    *
    * <pre>
-   * Optional. Specifies how to compute the route. The server attempts to use the selected
-   * routing preference to compute the route. If the routing preference results
-   * in an error or an extra long latency, an error is returned. In the future,
-   * we might implement a fallback mechanism to use a different option when the
-   * preferred option does not give a valid result. You can specify this option
-   * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-   * request fails.
+   * Optional. Specifies how to compute the route. The server attempts to use
+   * the selected routing preference to compute the route. If the routing
+   * preference results in an error or an extra long latency, an error is
+   * returned. You can specify this option only when the `travel_mode` is
+   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -367,9 +368,9 @@ public com.google.maps.routing.v2.RoutingPreference getRoutingPreference() {
    *
    *
    * <pre>
-   * Optional. The departure time. If you don't set this value, this defaults to the time
-   * that you made the request. If you set this value to a time that has already
-   * occurred, the request fails.
+   * Optional. The departure time. If you don't set this value, this defaults to
+   * the time that you made the request. If you set this value to a time that
+   * has already occurred, the request fails.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp departure_time = 5 [(.google.api.field_behavior) = OPTIONAL];
@@ -385,9 +386,9 @@ public boolean hasDepartureTime() {
    *
    *
    * <pre>
-   * Optional. The departure time. If you don't set this value, this defaults to the time
-   * that you made the request. If you set this value to a time that has already
-   * occurred, the request fails.
+   * Optional. The departure time. If you don't set this value, this defaults to
+   * the time that you made the request. If you set this value to a time that
+   * has already occurred, the request fails.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp departure_time = 5 [(.google.api.field_behavior) = OPTIONAL];
@@ -405,9 +406,9 @@ public com.google.protobuf.Timestamp getDepartureTime() {
    *
    *
    * <pre>
-   * Optional. The departure time. If you don't set this value, this defaults to the time
-   * that you made the request. If you set this value to a time that has already
-   * occurred, the request fails.
+   * Optional. The departure time. If you don't set this value, this defaults to
+   * the time that you made the request. If you set this value to a time that
+   * has already occurred, the request fails.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp departure_time = 5 [(.google.api.field_behavior) = OPTIONAL];
@@ -966,8 +967,8 @@ private void ensureOriginsIsMutable() {
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -992,8 +993,8 @@ public java.util.List<com.google.maps.routing.v2.RouteMatrixOrigin> getOriginsLi
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1018,8 +1019,8 @@ public int getOriginsCount() {
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1044,8 +1045,8 @@ public com.google.maps.routing.v2.RouteMatrixOrigin getOrigins(int index) {
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1076,8 +1077,8 @@ public Builder setOrigins(int index, com.google.maps.routing.v2.RouteMatrixOrigi
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1106,8 +1107,8 @@ public Builder setOrigins(
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1138,8 +1139,8 @@ public Builder addOrigins(com.google.maps.routing.v2.RouteMatrixOrigin value) {
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1170,8 +1171,8 @@ public Builder addOrigins(int index, com.google.maps.routing.v2.RouteMatrixOrigi
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1200,8 +1201,8 @@ public Builder addOrigins(
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1230,8 +1231,8 @@ public Builder addOrigins(
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1260,8 +1261,8 @@ public Builder addAllOrigins(
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1289,8 +1290,8 @@ public Builder clearOrigins() {
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1318,8 +1319,8 @@ public Builder removeOrigins(int index) {
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1340,8 +1341,8 @@ public com.google.maps.routing.v2.RouteMatrixOrigin.Builder getOriginsBuilder(in
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1366,8 +1367,8 @@ public com.google.maps.routing.v2.RouteMatrixOriginOrBuilder getOriginsOrBuilder
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1393,8 +1394,8 @@ public com.google.maps.routing.v2.RouteMatrixOriginOrBuilder getOriginsOrBuilder
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1416,8 +1417,8 @@ public com.google.maps.routing.v2.RouteMatrixOrigin.Builder addOriginsBuilder()
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1439,8 +1440,8 @@ public com.google.maps.routing.v2.RouteMatrixOrigin.Builder addOriginsBuilder(in
      *
      *
      * <pre>
-     * Required. Array of origins, which determines the rows of the response matrix.
-     * Several size restrictions apply to the cardinality of origins and
+     * Required. Array of origins, which determines the rows of the response
+     * matrix. Several size restrictions apply to the cardinality of origins and
      * destinations:
      * * The number of elements (origins × destinations) must be no greater than
      * 625 in any case.
@@ -1498,7 +1499,8 @@ private void ensureDestinationsIsMutable() {
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1516,7 +1518,8 @@ public java.util.List<com.google.maps.routing.v2.RouteMatrixDestination> getDest
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1534,7 +1537,8 @@ public int getDestinationsCount() {
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1552,7 +1556,8 @@ public com.google.maps.routing.v2.RouteMatrixDestination getDestinations(int ind
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1577,7 +1582,8 @@ public Builder setDestinations(
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1599,7 +1605,8 @@ public Builder setDestinations(
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1623,7 +1630,8 @@ public Builder addDestinations(com.google.maps.routing.v2.RouteMatrixDestination
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1648,7 +1656,8 @@ public Builder addDestinations(
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1670,7 +1679,8 @@ public Builder addDestinations(
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1692,7 +1702,8 @@ public Builder addDestinations(
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1714,7 +1725,8 @@ public Builder addAllDestinations(
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1735,7 +1747,8 @@ public Builder clearDestinations() {
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1756,7 +1769,8 @@ public Builder removeDestinations(int index) {
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1771,7 +1785,8 @@ public com.google.maps.routing.v2.RouteMatrixDestination.Builder getDestinations
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1790,7 +1805,8 @@ public com.google.maps.routing.v2.RouteMatrixDestinationOrBuilder getDestination
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1809,7 +1825,8 @@ public com.google.maps.routing.v2.RouteMatrixDestinationOrBuilder getDestination
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1824,7 +1841,8 @@ public com.google.maps.routing.v2.RouteMatrixDestination.Builder addDestinations
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1841,7 +1859,8 @@ public com.google.maps.routing.v2.RouteMatrixDestination.Builder addDestinations
      *
      *
      * <pre>
-     * Required. Array of destinations, which determines the columns of the response matrix.
+     * Required. Array of destinations, which determines the columns of the
+     * response matrix.
      * </pre>
      *
      * <code>
@@ -1976,13 +1995,11 @@ public Builder clearTravelMode() {
      *
      *
      * <pre>
-     * Optional. Specifies how to compute the route. The server attempts to use the selected
-     * routing preference to compute the route. If the routing preference results
-     * in an error or an extra long latency, an error is returned. In the future,
-     * we might implement a fallback mechanism to use a different option when the
-     * preferred option does not give a valid result. You can specify this option
-     * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-     * request fails.
+     * Optional. Specifies how to compute the route. The server attempts to use
+     * the selected routing preference to compute the route. If the routing
+     * preference results in an error or an extra long latency, an error is
+     * returned. You can specify this option only when the `travel_mode` is
+     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -1999,13 +2016,11 @@ public int getRoutingPreferenceValue() {
      *
      *
      * <pre>
-     * Optional. Specifies how to compute the route. The server attempts to use the selected
-     * routing preference to compute the route. If the routing preference results
-     * in an error or an extra long latency, an error is returned. In the future,
-     * we might implement a fallback mechanism to use a different option when the
-     * preferred option does not give a valid result. You can specify this option
-     * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-     * request fails.
+     * Optional. Specifies how to compute the route. The server attempts to use
+     * the selected routing preference to compute the route. If the routing
+     * preference results in an error or an extra long latency, an error is
+     * returned. You can specify this option only when the `travel_mode` is
+     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2025,13 +2040,11 @@ public Builder setRoutingPreferenceValue(int value) {
      *
      *
      * <pre>
-     * Optional. Specifies how to compute the route. The server attempts to use the selected
-     * routing preference to compute the route. If the routing preference results
-     * in an error or an extra long latency, an error is returned. In the future,
-     * we might implement a fallback mechanism to use a different option when the
-     * preferred option does not give a valid result. You can specify this option
-     * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-     * request fails.
+     * Optional. Specifies how to compute the route. The server attempts to use
+     * the selected routing preference to compute the route. If the routing
+     * preference results in an error or an extra long latency, an error is
+     * returned. You can specify this option only when the `travel_mode` is
+     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2051,13 +2064,11 @@ public com.google.maps.routing.v2.RoutingPreference getRoutingPreference() {
      *
      *
      * <pre>
-     * Optional. Specifies how to compute the route. The server attempts to use the selected
-     * routing preference to compute the route. If the routing preference results
-     * in an error or an extra long latency, an error is returned. In the future,
-     * we might implement a fallback mechanism to use a different option when the
-     * preferred option does not give a valid result. You can specify this option
-     * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-     * request fails.
+     * Optional. Specifies how to compute the route. The server attempts to use
+     * the selected routing preference to compute the route. If the routing
+     * preference results in an error or an extra long latency, an error is
+     * returned. You can specify this option only when the `travel_mode` is
+     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2080,13 +2091,11 @@ public Builder setRoutingPreference(com.google.maps.routing.v2.RoutingPreference
      *
      *
      * <pre>
-     * Optional. Specifies how to compute the route. The server attempts to use the selected
-     * routing preference to compute the route. If the routing preference results
-     * in an error or an extra long latency, an error is returned. In the future,
-     * we might implement a fallback mechanism to use a different option when the
-     * preferred option does not give a valid result. You can specify this option
-     * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-     * request fails.
+     * Optional. Specifies how to compute the route. The server attempts to use
+     * the selected routing preference to compute the route. If the routing
+     * preference results in an error or an extra long latency, an error is
+     * returned. You can specify this option only when the `travel_mode` is
+     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2112,9 +2121,9 @@ public Builder clearRoutingPreference() {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2130,9 +2139,9 @@ public boolean hasDepartureTime() {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2154,9 +2163,9 @@ public com.google.protobuf.Timestamp getDepartureTime() {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2180,9 +2189,9 @@ public Builder setDepartureTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2203,9 +2212,9 @@ public Builder setDepartureTime(com.google.protobuf.Timestamp.Builder builderFor
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2233,9 +2242,9 @@ public Builder mergeDepartureTime(com.google.protobuf.Timestamp value) {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2257,9 +2266,9 @@ public Builder clearDepartureTime() {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2275,9 +2284,9 @@ public com.google.protobuf.Timestamp.Builder getDepartureTimeBuilder() {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
@@ -2297,9 +2306,9 @@ public com.google.protobuf.TimestampOrBuilder getDepartureTimeOrBuilder() {
      *
      *
      * <pre>
-     * Optional. The departure time. If you don't set this value, this defaults to the time
-     * that you made the request. If you set this value to a time that has already
-     * occurred, the request fails.
+     * Optional. The departure time. If you don't set this value, this defaults to
+     * the time that you made the request. If you set this value to a time that
+     * has already occurred, the request fails.
      * </pre>
      *
      * <code>
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequestOrBuilder.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequestOrBuilder.java
index 6e7f1ef478d8..6d66db78f4b4 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequestOrBuilder.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRouteMatrixRequestOrBuilder.java
@@ -27,8 +27,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -47,8 +47,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -67,8 +67,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -87,8 +87,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -108,8 +108,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of origins, which determines the rows of the response matrix.
-   * Several size restrictions apply to the cardinality of origins and
+   * Required. Array of origins, which determines the rows of the response
+   * matrix. Several size restrictions apply to the cardinality of origins and
    * destinations:
    * * The number of elements (origins × destinations) must be no greater than
    * 625 in any case.
@@ -129,7 +129,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -141,7 +142,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -153,7 +155,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -165,7 +168,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -178,7 +182,8 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Required. Array of destinations, which determines the columns of the response matrix.
+   * Required. Array of destinations, which determines the columns of the
+   * response matrix.
    * </pre>
    *
    * <code>
@@ -220,13 +225,11 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. Specifies how to compute the route. The server attempts to use the selected
-   * routing preference to compute the route. If the routing preference results
-   * in an error or an extra long latency, an error is returned. In the future,
-   * we might implement a fallback mechanism to use a different option when the
-   * preferred option does not give a valid result. You can specify this option
-   * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-   * request fails.
+   * Optional. Specifies how to compute the route. The server attempts to use
+   * the selected routing preference to compute the route. If the routing
+   * preference results in an error or an extra long latency, an error is
+   * returned. You can specify this option only when the `travel_mode` is
+   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -240,13 +243,11 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. Specifies how to compute the route. The server attempts to use the selected
-   * routing preference to compute the route. If the routing preference results
-   * in an error or an extra long latency, an error is returned. In the future,
-   * we might implement a fallback mechanism to use a different option when the
-   * preferred option does not give a valid result. You can specify this option
-   * only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-   * request fails.
+   * Optional. Specifies how to compute the route. The server attempts to use
+   * the selected routing preference to compute the route. If the routing
+   * preference results in an error or an extra long latency, an error is
+   * returned. You can specify this option only when the `travel_mode` is
+   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -261,9 +262,9 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. The departure time. If you don't set this value, this defaults to the time
-   * that you made the request. If you set this value to a time that has already
-   * occurred, the request fails.
+   * Optional. The departure time. If you don't set this value, this defaults to
+   * the time that you made the request. If you set this value to a time that
+   * has already occurred, the request fails.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp departure_time = 5 [(.google.api.field_behavior) = OPTIONAL];
@@ -276,9 +277,9 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. The departure time. If you don't set this value, this defaults to the time
-   * that you made the request. If you set this value to a time that has already
-   * occurred, the request fails.
+   * Optional. The departure time. If you don't set this value, this defaults to
+   * the time that you made the request. If you set this value to a time that
+   * has already occurred, the request fails.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp departure_time = 5 [(.google.api.field_behavior) = OPTIONAL];
@@ -291,9 +292,9 @@ public interface ComputeRouteMatrixRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. The departure time. If you don't set this value, this defaults to the time
-   * that you made the request. If you set this value to a time that has already
-   * occurred, the request fails.
+   * Optional. The departure time. If you don't set this value, this defaults to
+   * the time that you made the request. If you set this value to a time that
+   * has already occurred, the request fails.
    * </pre>
    *
    * <code>.google.protobuf.Timestamp departure_time = 5 [(.google.api.field_behavior) = OPTIONAL];
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequest.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequest.java
index 86bd34992e8b..fe4fdb178f8a 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequest.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequest.java
@@ -452,10 +452,8 @@ public com.google.maps.routing.v2.RouteTravelMode getTravelMode() {
    * Optional. Specifies how to compute the route. The server
    * attempts to use the selected routing preference to compute the route. If
    *  the routing preference results in an error or an extra long latency, then
-   * an error is returned. In the future, we might implement a fallback
-   * mechanism to use a different option when the preferred option does not give
-   * a valid result. You can specify this option only when the `travel_mode` is
-   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+   * an error is returned. You can specify this option only when the
+   * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -475,10 +473,8 @@ public int getRoutingPreferenceValue() {
    * Optional. Specifies how to compute the route. The server
    * attempts to use the selected routing preference to compute the route. If
    *  the routing preference results in an error or an extra long latency, then
-   * an error is returned. In the future, we might implement a fallback
-   * mechanism to use a different option when the preferred option does not give
-   * a valid result. You can specify this option only when the `travel_mode` is
-   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+   * an error is returned. You can specify this option only when the
+   * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -638,7 +634,8 @@ public com.google.protobuf.TimestampOrBuilder getDepartureTimeOrBuilder() {
    *
    *
    * <pre>
-   * Optional. Specifies whether to calculate alternate routes in addition to the route.
+   * Optional. Specifies whether to calculate alternate routes in addition to
+   * the route.
    * </pre>
    *
    * <code>bool compute_alternative_routes = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -832,12 +829,11 @@ public com.google.maps.routing.v2.ComputeRoutesRequest.ReferenceRoute convert(
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -857,12 +853,11 @@ public com.google.maps.routing.v2.ComputeRoutesRequest.ReferenceRoute convert(
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -879,12 +874,11 @@ public int getRequestedReferenceRoutesCount() {
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -903,12 +897,11 @@ public com.google.maps.routing.v2.ComputeRoutesRequest.ReferenceRoute getRequest
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -925,12 +918,11 @@ public java.util.List<java.lang.Integer> getRequestedReferenceRoutesValueList()
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -2610,10 +2602,8 @@ public Builder clearTravelMode() {
      * Optional. Specifies how to compute the route. The server
      * attempts to use the selected routing preference to compute the route. If
      *  the routing preference results in an error or an extra long latency, then
-     * an error is returned. In the future, we might implement a fallback
-     * mechanism to use a different option when the preferred option does not give
-     * a valid result. You can specify this option only when the `travel_mode` is
-     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+     * an error is returned. You can specify this option only when the
+     * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2633,10 +2623,8 @@ public int getRoutingPreferenceValue() {
      * Optional. Specifies how to compute the route. The server
      * attempts to use the selected routing preference to compute the route. If
      *  the routing preference results in an error or an extra long latency, then
-     * an error is returned. In the future, we might implement a fallback
-     * mechanism to use a different option when the preferred option does not give
-     * a valid result. You can specify this option only when the `travel_mode` is
-     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+     * an error is returned. You can specify this option only when the
+     * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2659,10 +2647,8 @@ public Builder setRoutingPreferenceValue(int value) {
      * Optional. Specifies how to compute the route. The server
      * attempts to use the selected routing preference to compute the route. If
      *  the routing preference results in an error or an extra long latency, then
-     * an error is returned. In the future, we might implement a fallback
-     * mechanism to use a different option when the preferred option does not give
-     * a valid result. You can specify this option only when the `travel_mode` is
-     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+     * an error is returned. You can specify this option only when the
+     * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2685,10 +2671,8 @@ public com.google.maps.routing.v2.RoutingPreference getRoutingPreference() {
      * Optional. Specifies how to compute the route. The server
      * attempts to use the selected routing preference to compute the route. If
      *  the routing preference results in an error or an extra long latency, then
-     * an error is returned. In the future, we might implement a fallback
-     * mechanism to use a different option when the preferred option does not give
-     * a valid result. You can specify this option only when the `travel_mode` is
-     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+     * an error is returned. You can specify this option only when the
+     * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -2714,10 +2698,8 @@ public Builder setRoutingPreference(com.google.maps.routing.v2.RoutingPreference
      * Optional. Specifies how to compute the route. The server
      * attempts to use the selected routing preference to compute the route. If
      *  the routing preference results in an error or an extra long latency, then
-     * an error is returned. In the future, we might implement a fallback
-     * mechanism to use a different option when the preferred option does not give
-     * a valid result. You can specify this option only when the `travel_mode` is
-     * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+     * an error is returned. You can specify this option only when the
+     * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
      * </pre>
      *
      * <code>
@@ -3161,7 +3143,8 @@ public com.google.protobuf.TimestampOrBuilder getDepartureTimeOrBuilder() {
      *
      *
      * <pre>
-     * Optional. Specifies whether to calculate alternate routes in addition to the route.
+     * Optional. Specifies whether to calculate alternate routes in addition to
+     * the route.
      * </pre>
      *
      * <code>bool compute_alternative_routes = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -3176,7 +3159,8 @@ public boolean getComputeAlternativeRoutes() {
      *
      *
      * <pre>
-     * Optional. Specifies whether to calculate alternate routes in addition to the route.
+     * Optional. Specifies whether to calculate alternate routes in addition to
+     * the route.
      * </pre>
      *
      * <code>bool compute_alternative_routes = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -3194,7 +3178,8 @@ public Builder setComputeAlternativeRoutes(boolean value) {
      *
      *
      * <pre>
-     * Optional. Specifies whether to calculate alternate routes in addition to the route.
+     * Optional. Specifies whether to calculate alternate routes in addition to
+     * the route.
      * </pre>
      *
      * <code>bool compute_alternative_routes = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -3681,12 +3666,11 @@ private void ensureRequestedReferenceRoutesIsMutable() {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3705,12 +3689,11 @@ private void ensureRequestedReferenceRoutesIsMutable() {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3726,12 +3709,11 @@ public int getRequestedReferenceRoutesCount() {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3749,12 +3731,11 @@ public int getRequestedReferenceRoutesCount() {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3779,12 +3760,11 @@ public Builder setRequestedReferenceRoutes(
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3808,12 +3788,11 @@ public Builder addRequestedReferenceRoutes(
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3837,12 +3816,11 @@ public Builder addAllRequestedReferenceRoutes(
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3861,12 +3839,11 @@ public Builder clearRequestedReferenceRoutes() {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3882,12 +3859,11 @@ public java.util.List<java.lang.Integer> getRequestedReferenceRoutesValueList()
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3904,12 +3880,11 @@ public int getRequestedReferenceRoutesValue(int index) {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3930,12 +3905,11 @@ public Builder setRequestedReferenceRoutesValue(int index, int value) {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
@@ -3955,12 +3929,11 @@ public Builder addRequestedReferenceRoutesValue(int value) {
      *
      *
      * <pre>
-     * Optional. Specifies what reference routes to calculate as part of the request in
-     * addition to the default route.
-     * A reference route is a route with a different route calculation objective
-     * than the default route. For example an FUEL_EFFICIENT reference route
-     * calculation takes into account various parameters that would generate an
-     * optimal fuel efficient route.
+     * Optional. Specifies what reference routes to calculate as part of the
+     * request in addition to the default route. A reference route is a route with
+     * a different route calculation objective than the default route. For example
+     * an FUEL_EFFICIENT reference route calculation takes into account various
+     * parameters that would generate an optimal fuel efficient route.
      * </pre>
      *
      * <code>
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequestOrBuilder.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequestOrBuilder.java
index bd62b69664af..35780b38fcc4 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequestOrBuilder.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/ComputeRoutesRequestOrBuilder.java
@@ -210,10 +210,8 @@ public interface ComputeRoutesRequestOrBuilder
    * Optional. Specifies how to compute the route. The server
    * attempts to use the selected routing preference to compute the route. If
    *  the routing preference results in an error or an extra long latency, then
-   * an error is returned. In the future, we might implement a fallback
-   * mechanism to use a different option when the preferred option does not give
-   * a valid result. You can specify this option only when the `travel_mode` is
-   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+   * an error is returned. You can specify this option only when the
+   * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -230,10 +228,8 @@ public interface ComputeRoutesRequestOrBuilder
    * Optional. Specifies how to compute the route. The server
    * attempts to use the selected routing preference to compute the route. If
    *  the routing preference results in an error or an extra long latency, then
-   * an error is returned. In the future, we might implement a fallback
-   * mechanism to use a different option when the preferred option does not give
-   * a valid result. You can specify this option only when the `travel_mode` is
-   * `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+   * an error is returned. You can specify this option only when the
+   * `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
    * </pre>
    *
    * <code>
@@ -350,7 +346,8 @@ public interface ComputeRoutesRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. Specifies whether to calculate alternate routes in addition to the route.
+   * Optional. Specifies whether to calculate alternate routes in addition to
+   * the route.
    * </pre>
    *
    * <code>bool compute_alternative_routes = 8 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -477,12 +474,11 @@ public interface ComputeRoutesRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -497,12 +493,11 @@ public interface ComputeRoutesRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -516,12 +511,11 @@ public interface ComputeRoutesRequestOrBuilder
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -537,12 +531,11 @@ com.google.maps.routing.v2.ComputeRoutesRequest.ReferenceRoute getRequestedRefer
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
@@ -556,12 +549,11 @@ com.google.maps.routing.v2.ComputeRoutesRequest.ReferenceRoute getRequestedRefer
    *
    *
    * <pre>
-   * Optional. Specifies what reference routes to calculate as part of the request in
-   * addition to the default route.
-   * A reference route is a route with a different route calculation objective
-   * than the default route. For example an FUEL_EFFICIENT reference route
-   * calculation takes into account various parameters that would generate an
-   * optimal fuel efficient route.
+   * Optional. Specifies what reference routes to calculate as part of the
+   * request in addition to the default route. A reference route is a route with
+   * a different route calculation objective than the default route. For example
+   * an FUEL_EFFICIENT reference route calculation takes into account various
+   * parameters that would generate an optimal fuel efficient route.
    * </pre>
    *
    * <code>
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/Route.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/Route.java
index c7f18faddafa..fab593f4b642 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/Route.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/Route.java
@@ -662,6 +662,10 @@ public com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder getTravelAdvisory
    * 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>
@@ -689,6 +693,10 @@ public java.lang.String getRouteToken() {
    * 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>
@@ -3410,6 +3418,10 @@ public com.google.maps.routing.v2.RouteTravelAdvisoryOrBuilder getTravelAdvisory
      * 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>
@@ -3436,6 +3448,10 @@ public java.lang.String getRouteToken() {
      * 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>
@@ -3462,6 +3478,10 @@ public com.google.protobuf.ByteString getRouteTokenBytes() {
      * 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>
@@ -3487,6 +3507,10 @@ public Builder setRouteToken(java.lang.String value) {
      * 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>
@@ -3508,6 +3532,10 @@ public Builder clearRouteToken() {
      * 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>
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteOrBuilder.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteOrBuilder.java
index f3acda6beda8..8d44746e443e 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteOrBuilder.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteOrBuilder.java
@@ -463,6 +463,10 @@ public interface RouteOrBuilder
    * 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>
@@ -479,6 +483,10 @@ public interface RouteOrBuilder
    * 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>
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteTravelMode.java b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteTravelMode.java
index b405e143175b..eb2f5ca3d254 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteTravelMode.java
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/java/com/google/maps/routing/v2/RouteTravelMode.java
@@ -23,6 +23,10 @@
  *
  * <pre>
  * A set of values used to specify the mode of travel.
+ * NOTE: WALK, BICYCLE, and TWO_WHEELER routes are in beta and might sometimes
+ * be missing clear sidewalks, pedestrian paths, or bicycling paths.
+ * You must display this warning to the user for all walking, bicycling, and
+ * two-wheel routes that you display in your app.
  * </pre>
  *
  * Protobuf enum {@code google.maps.routing.v2.RouteTravelMode}
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route.proto b/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route.proto
index f78b22c7d694..7ce7c294fdcc 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route.proto
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route.proto
@@ -86,6 +86,10 @@ message Route {
   // 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.
   string route_token = 12;
 }
 
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route_travel_mode.proto b/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route_travel_mode.proto
index adc091e166fd..2eb9e5c29236 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route_travel_mode.proto
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/route_travel_mode.proto
@@ -27,6 +27,10 @@ option php_namespace = "Google\\Maps\\Routing\\V2";
 option ruby_package = "Google::Maps::Routing::V2";
 
 // A set of values used to specify the mode of travel.
+// NOTE: WALK, BICYCLE, and TWO_WHEELER routes are in beta and might sometimes
+// be missing clear sidewalks, pedestrian paths, or bicycling paths.
+// You must display this warning to the user for all walking, bicycling, and
+// two-wheel routes that you display in your app.
 enum RouteTravelMode {
   // No travel mode specified. Defaults to `DRIVE`.
   TRAVEL_MODE_UNSPECIFIED = 0;
diff --git a/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/routes_service.proto b/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/routes_service.proto
index 7eb2229d5b3d..d2d241c05eb7 100644
--- a/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/routes_service.proto
+++ b/java-maps-routing/proto-google-maps-routing-v2/src/main/proto/google/maps/routing/v2/routes_service.proto
@@ -122,7 +122,8 @@ service Routes {
   // be automatically included in the response.
   // * Selecting only the fields that you need results in a smaller response
   // size, and thus higher network throughput.
-  rpc ComputeRouteMatrix(ComputeRouteMatrixRequest) returns (stream RouteMatrixElement) {
+  rpc ComputeRouteMatrix(ComputeRouteMatrixRequest)
+      returns (stream RouteMatrixElement) {
     option (google.api.http) = {
       post: "/distanceMatrix/v2:computeRouteMatrix"
       body: "*"
@@ -159,24 +160,26 @@ message ComputeRoutesRequest {
   // Optional. Specifies how to compute the route. The server
   // attempts to use the selected routing preference to compute the route. If
   //  the routing preference results in an error or an extra long latency, then
-  // an error is returned. In the future, we might implement a fallback
-  // mechanism to use a different option when the preferred option does not give
-  // a valid result. You can specify this option only when the `travel_mode` is
-  // `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
-  RoutingPreference routing_preference = 5 [(google.api.field_behavior) = OPTIONAL];
+  // an error is returned. You can specify this option only when the
+  // `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+  RoutingPreference routing_preference = 5
+      [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. Specifies your preference for the quality of the polyline.
   PolylineQuality polyline_quality = 6 [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. Specifies the preferred encoding for the polyline.
-  PolylineEncoding polyline_encoding = 12 [(google.api.field_behavior) = OPTIONAL];
+  PolylineEncoding polyline_encoding = 12
+      [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. The departure time. If you don't set this value, then this value
   // defaults to the time that you made the request. If you set this value to a
   // time that has already occurred, then the request fails.
-  google.protobuf.Timestamp departure_time = 7 [(google.api.field_behavior) = OPTIONAL];
+  google.protobuf.Timestamp departure_time = 7
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. Specifies whether to calculate alternate routes in addition to the route.
+  // Optional. Specifies whether to calculate alternate routes in addition to
+  // the route.
   bool compute_alternative_routes = 8 [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. A set of conditions to satisfy that affect the way routes are
@@ -198,13 +201,13 @@ message ComputeRoutesRequest {
   // units are inferred from the location of the request.
   Units units = 11 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. Specifies what reference routes to calculate as part of the request in
-  // addition to the default route.
-  // A reference route is a route with a different route calculation objective
-  // than the default route. For example an FUEL_EFFICIENT reference route
-  // calculation takes into account various parameters that would generate an
-  // optimal fuel efficient route.
-  repeated ReferenceRoute requested_reference_routes = 14 [(google.api.field_behavior) = OPTIONAL];
+  // Optional. Specifies what reference routes to calculate as part of the
+  // request in addition to the default route. A reference route is a route with
+  // a different route calculation objective than the default route. For example
+  // an FUEL_EFFICIENT reference route calculation takes into account various
+  // parameters that would generate an optimal fuel efficient route.
+  repeated ReferenceRoute requested_reference_routes = 14
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // ComputeRoutes the response message.
@@ -225,8 +228,8 @@ message ComputeRoutesResponse {
 
 // ComputeRouteMatrix request message
 message ComputeRouteMatrixRequest {
-  // Required. Array of origins, which determines the rows of the response matrix.
-  // Several size restrictions apply to the cardinality of origins and
+  // Required. Array of origins, which determines the rows of the response
+  // matrix. Several size restrictions apply to the cardinality of origins and
   // destinations:
   //
   // * The number of elements (origins × destinations) must be no greater than
@@ -235,27 +238,30 @@ message ComputeRouteMatrixRequest {
   // 100 if routing_preference is set to `TRAFFIC_AWARE_OPTIMAL`.
   // * The number of waypoints (origins + destinations) specified as `place_id`
   // must be no greater than 50.
-  repeated RouteMatrixOrigin origins = 1 [(google.api.field_behavior) = REQUIRED];
+  repeated RouteMatrixOrigin origins = 1
+      [(google.api.field_behavior) = REQUIRED];
 
-  // Required. Array of destinations, which determines the columns of the response matrix.
-  repeated RouteMatrixDestination destinations = 2 [(google.api.field_behavior) = REQUIRED];
+  // Required. Array of destinations, which determines the columns of the
+  // response matrix.
+  repeated RouteMatrixDestination destinations = 2
+      [(google.api.field_behavior) = REQUIRED];
 
   // Optional. Specifies the mode of transportation.
   RouteTravelMode travel_mode = 3 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. Specifies how to compute the route. The server attempts to use the selected
-  // routing preference to compute the route. If the routing preference results
-  // in an error or an extra long latency, an error is returned. In the future,
-  // we might implement a fallback mechanism to use a different option when the
-  // preferred option does not give a valid result. You can specify this option
-  // only when the `travel_mode` is `DRIVE` or `TWO_WHEELER`, otherwise the
-  // request fails.
-  RoutingPreference routing_preference = 4 [(google.api.field_behavior) = OPTIONAL];
-
-  // Optional. The departure time. If you don't set this value, this defaults to the time
-  // that you made the request. If you set this value to a time that has already
-  // occurred, the request fails.
-  google.protobuf.Timestamp departure_time = 5 [(google.api.field_behavior) = OPTIONAL];
+  // Optional. Specifies how to compute the route. The server attempts to use
+  // the selected routing preference to compute the route. If the routing
+  // preference results in an error or an extra long latency, an error is
+  // returned. You can specify this option only when the `travel_mode` is
+  // `DRIVE` or `TWO_WHEELER`, otherwise the request fails.
+  RoutingPreference routing_preference = 4
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The departure time. If you don't set this value, this defaults to
+  // the time that you made the request. If you set this value to a time that
+  // has already occurred, the request fails.
+  google.protobuf.Timestamp departure_time = 5
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // A single origin for ComputeRouteMatrixRequest