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package events
// Handler interface
type Handler interface {
// NumListeners return number of active listeners
NumListeners() int
// AddListener adds lister to the publisher
AddListener(listener Listener)
// Push pushes event to the listeners
Push(e interface{})
}
// Listener .. (type alias) event listener listens for the events produced by worker, worker pool or other service.
type Listener func(event interface{})
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