https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Dataflow.V1Beta3/latest/Google.Cloud.Dataflow.V1Beta3.ComputationTopology
Dataflow v1beta3 API - Class ComputationTopology (2.0.0-beta10) | .NET client libraries | Google...
https://docs.cloud.google.com/java/docs/reference/google-cloud-dataflow/latest/com.google.dataflow.v1beta3.ComputationTopology.Builder
Class ComputationTopology.Builder (0.95.0) | Java client libraries | Google Cloud Documentation
java clientgoogle cloudclassbuilder