/// <summary>
 /// Replace the data for the specified group.
 /// Fails if the group does not exist.
 /// </summary>
 /// <param name="group">
 /// Required. The group which replaces the resource on the server.
 /// </param>
 /// <param name="callSettings">If not null, applies overrides to this RPC call.</param>
 /// <returns>A Task containing the RPC response.</returns>
 public virtual stt::Task <ErrorGroup> UpdateGroupAsync(ErrorGroup group, gaxgrpc::CallSettings callSettings = null) =>
 UpdateGroupAsync(new UpdateGroupRequest
 {
     Group = gax::GaxPreconditions.CheckNotNull(group, nameof(group)),
 }, callSettings);
 /// <summary>
 /// Replace the data for the specified group.
 /// Fails if the group does not exist.
 /// </summary>
 /// <param name="group">
 /// Required. The group which replaces the resource on the server.
 /// </param>
 /// <param name="cancellationToken">A <see cref="st::CancellationToken"/> to use for this RPC.</param>
 /// <returns>A Task containing the RPC response.</returns>
 public virtual stt::Task <ErrorGroup> UpdateGroupAsync(ErrorGroup group, st::CancellationToken cancellationToken) =>
 UpdateGroupAsync(group, gaxgrpc::CallSettings.FromCancellationToken(cancellationToken));
 /// <summary>
 /// Replace the data for the specified group.
 /// Fails if the group does not exist.
 /// </summary>
 /// <param name="group">
 /// [Required] The group which replaces the resource on the server.
 /// </param>
 /// <param name="cancellationToken">
 /// A <see cref="CancellationToken"/> to use for this RPC.
 /// </param>
 /// <returns>
 /// A Task containing the RPC response.
 /// </returns>
 public virtual Task <ErrorGroup> UpdateGroupAsync(
     ErrorGroup group,
     CancellationToken cancellationToken) => UpdateGroupAsync(
     group,
     CallSettings.FromCancellationToken(cancellationToken));