Alias for emitter.on(eventName, listener).
method
cluster.default.Cluster.addListener
eventName: E,
): this;
eventName: string | symbol,
listener: (...args: any[]) => void
): this;
Alias for emitter.on(eventName, listener).
method
Alias for emitter.on(eventName, listener).
Alias for emitter.on(eventName, listener).