$ git grep transport.Dial | grep -v DialPool | grep -v test | cut -d: -f1 | sort | uniq
asset/v1beta1/asset_client.go
automl/apiv1/auto_ml_client.go
automl/apiv1beta1/auto_ml_client.go
automl/apiv1beta1/prediction_client.go
automl/apiv1/prediction_client.go
bigquery/datatransfer/apiv1/data_source_client.go
cloudbuild/apiv1/cloud_build_client.go
containeranalysis/apiv1/container_analysis_client.go
container/apiv1/cluster_manager_client.go
grafeas/apiv1/grafeas_client.go
iam/admin/apiv1/iam_client.go
pubsub/apiv1/publisher_client.go
pubsub/apiv1/subscriber_client.go
talent/apiv4beta1/application_client.go
talent/apiv4beta1/company_client.go
talent/apiv4beta1/completion_client.go
talent/apiv4beta1/event_client.go
talent/apiv4beta1/job_client.go
talent/apiv4beta1/profile_client.go
talent/apiv4beta1/tenant_client.go