| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/csv | Package csv reads and writes comma-separated values (CSV) files. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| io | Package io provides basic interfaces to I/O primitives. |
| k8s.io/apiserver/pkg/authentication/authenticator | |
| k8s.io/apiserver/pkg/authentication/user | Package user contains utilities for dealing with simple user exchange in the auth packages. |
| k8s.io/klog | Package klog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |