| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/spf13/pflag | Package pflag is a drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags. |
| k8s.io/apiserver/pkg/util/flag | |
| k8s.io/apiserver/pkg/util/logs | |
| k8s.io/kubernetes/cmd/kube-controller-manager/app | Package app implements a server that runs a set of active components. |
| k8s.io/kubernetes/pkg/client/metrics/prometheus | |
| k8s.io/kubernetes/pkg/util/reflector/prometheus | |
| k8s.io/kubernetes/pkg/util/workqueue/prometheus | |
| k8s.io/kubernetes/pkg/version/prometheus | |
| math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| time | Package time provides functionality for measuring and displaying time. |