Package auth defines a file format for holding authentication information needed by clients of Kubernetes.

Package cache is a client-side caching mechanism.

Package clientcmd provides one stop shopping for building a working client from a fixed config, from a .kubeconfig file, from command line flags, or from any merged combination.

Package metrics provides abstractions for registering which metrics to record.

Package portforward adds support for SSH-like port forwarding from the client's local host to remote containers.

Package record has all client logic for recording and reporting events.