lifecycle

type Getter interface {
	GetAfterStops() []executor
	GetBeforeStops() []executor
	GetAfterStarts() []executor
	GetBeforeStarts() []executor
}

type Handler func(lc Lifecycle)

type Lifecycle interface {
	AfterStop(f func())
	BeforeStop(f func())
	AfterStart(f func())
	BeforeStart(f func())
}

type Provider struct {
	Setter Lifecycle
	Getter Getter
}