https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Channel.V1/latest/Google.Cloud.Channel.V1.UpdateCustomerRequest
Cloud Channel v1 API - Class UpdateCustomerRequest (2.17.0) | .NET client libraries | Google Cloud...
https://docs.cloud.google.com/java/docs/reference/google-cloud-channel/latest/com.google.cloud.channel.v1.UpdateCustomerRequest.Builder
Class UpdateCustomerRequest.Builder (3.95.0) | Java client libraries | Google Cloud Documentation