kubernetes/staging/src/k8s.io/apimachinery/pkg/util/managedfields/internal/atmostevery.go

type AtMostEvery …

// NewAtMostEvery creates a new AtMostEvery, that will run the method at
// most every given duration.
func NewAtMostEvery(delay time.Duration) *AtMostEvery { … }

// updateLastCall returns true if the lastCall time has been updated,
// false if it was too early.
func (s *AtMostEvery) updateLastCall() bool { … }

// Do will run the method if enough time has passed, and return true.
// Otherwise, it does nothing and returns false.
func (s *AtMostEvery) Do(fn func()) bool { … }