/// <summary>
 /// Batch gets assets update history that overlaps a time window.
 /// For RESOURCE content, this API outputs history with asset in both
 /// non-delete or deleted status.
 /// For IAM_POLICY content, this API only outputs history when asset and its
 /// attached IAM POLICY both exist. So there may be gaps in the output history.
 /// </summary>
 /// <param name="request">
 /// The request object containing all of the parameters for the API call.
 /// </param>
 /// <param name="callSettings">
 /// If not null, applies overrides to this RPC call.
 /// </param>
 /// <returns>
 /// The RPC response.
 /// </returns>
 public override BatchGetAssetsHistoryResponse BatchGetAssetsHistory(
     BatchGetAssetsHistoryRequest request,
     gaxgrpc::CallSettings callSettings = null)
 {
     Modify_BatchGetAssetsHistoryRequest(ref request, ref callSettings);
     return(_callBatchGetAssetsHistory.Sync(request, callSettings));
 }
 /// <summary>
 /// Batch gets assets update history that overlaps a time window.
 /// For RESOURCE content, this API outputs history with asset in both
 /// non-delete or deleted status.
 /// For IAM_POLICY content, this API only outputs history when asset and its
 /// attached IAM POLICY both exist. So there may be gaps in the output history.
 /// </summary>
 /// <param name="request">
 /// The request object containing all of the parameters for the API call.
 /// </param>
 /// <param name="callSettings">
 /// If not null, applies overrides to this RPC call.
 /// </param>
 /// <returns>
 /// The RPC response.
 /// </returns>
 public virtual BatchGetAssetsHistoryResponse BatchGetAssetsHistory(
     BatchGetAssetsHistoryRequest request,
     gaxgrpc::CallSettings callSettings = null)
 {
     throw new sys::NotImplementedException();
 }
 partial void Modify_BatchGetAssetsHistoryRequest(ref BatchGetAssetsHistoryRequest request, ref gaxgrpc::CallSettings settings);
 /// <summary>
 /// Batch gets assets update history that overlaps a time window.
 /// For RESOURCE content, this API outputs history with asset in both
 /// non-delete or deleted status.
 /// For IAM_POLICY content, this API only outputs history when asset and its
 /// attached IAM POLICY both exist. So there may be gaps in the output history.
 /// </summary>
 /// <param name="request">
 /// The request object containing all of the parameters for the API call.
 /// </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 <BatchGetAssetsHistoryResponse> BatchGetAssetsHistoryAsync(
     BatchGetAssetsHistoryRequest request,
     st::CancellationToken cancellationToken) => BatchGetAssetsHistoryAsync(
     request,
     gaxgrpc::CallSettings.FromCancellationToken(cancellationToken));