| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| k8s.io/component-base/logs/testinit | Package testinit adds logging flags to a Ginkgo or Go test program during initialization, something that the logs package itself no longer does. |
| k8s.io/klog/v2 | Package klog contains the following functionality: |
| k8s.io/klog/v2/ktesting | Package testinglogger contains an implementation of the logr interface which is logging through a function like testing.TB.Log function. |