kubernetes/vendor/go.uber.org/zap/internal/exit/exit.go

var _exit …

// With terminates the process by calling os.Exit(code). If the package is
// stubbed, it instead records a call in the testing spy.
func With(code int) { … }

type StubbedExit …

// Stub substitutes a fake for the call to os.Exit(1).
func Stub() *StubbedExit { … }

// WithStub runs the supplied function with Exit stubbed. It returns the stub
// used, so that users can test whether the process would have crashed.
func WithStub(f func()) *StubbedExit { … }

// Unstub restores the previous exit function.
func (se *StubbedExit) Unstub() { … }

func (se *StubbedExit) exit(code int) { … }