const cloud.google.com/go/trace/apiv2.versionClient

2 uses

	cloud.google.com/go/trace/apiv2 (current package)
		doc.go#L55: const versionClient = "20200912"
		trace_client.go#L148: 	kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)