Imports
- cloud.google.com/go/compute/metadata
- go.chromium.org/luci/auth/internal
- go.chromium.org/luci/common/clock
- go.chromium.org/luci/common/data/stringset
- go.chromium.org/luci/common/errors
- go.chromium.org/luci/common/logging
- go.chromium.org/luci/common/retry
- go.chromium.org/luci/common/retry/transient
- go.chromium.org/luci/lucictx
- golang.org/x/oauth2
- google.golang.org/grpc/credentials