| 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/kubernetes/contrib/mesos/pkg/hyperkube | |
| k8s.io/kubernetes/contrib/mesos/pkg/scheduler/service | |
| k8s.io/kubernetes/pkg/util | |
| k8s.io/kubernetes/pkg/version/verflag | |
| os | Package os provides a platform-independent interface to operating system functionality. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |