https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.DiscoveryEngine.V1/latest/Google.Cloud.DiscoveryEngine.V1.Answer.Types.Reference.Types.StructuredDocumentInfo
Discovery Engine v1 API - Class Answer.Types.Reference.Types.StructuredDocumentInfo (1.13.0) | .NET...
https://docs.cloud.google.com/python/docs/reference/discoveryengine/latest/google.cloud.discoveryengine_v1alpha.types.Answer.Reference.StructuredDocumentInfo
Class StructuredDocumentInfo (0.19.0) | Python client libraries | Google Cloud Documentation
python clientgoogle cloudclasslibrariesdocumentation