text: const eventEmitter = new KuzzleEventEmitter();
  
  eventEmitter.addOnceListener(
    'myEvent',
    () => console.log('Caught event "myEvent"!'));
  
  // Prints: Caught event "myEvent"!
  eventEmitter.emit('myEvent');
  
  // Prints nothing: the event has since been removed
  eventEmitter.emit('myEvent');
  