var timeNow … // withKlogHeader creates a TB where the same "I<date> <time>]" prefix // gets added to all log output, just as in the klog test logger. // This is used internally when constructing a TContext for unit testing. func withKlogHeader(tb TB) TB { … } type klogTB … func (k klogTB) Log(args ...any) { … } func (k klogTB) Logf(format string, args ...any) { … } func (k klogTB) Error(args ...any) { … } func (k klogTB) Errorf(format string, args ...any) { … } func (k klogTB) Fatal(args ...any) { … } func (k klogTB) Fatalf(format string, args ...any) { … } func header() string { … }