text: const registry = require("@peetertomberg/registry");
  const instance = registry.createRegistry();
  const callback = (...args) => console.log(...args);
  
  // Triggered when a key is registered
  instance.eventBus.on(instance.events.REGISTER, callback);
  // Triggered when a key is unregistered
  instance.eventBus.on(instance.events.UNREGISTER, callback);
  
  console.log('Will log out key and value to console from event register');
  instance.register('key', 'value');
  console.log('Will log out key from event unregister');
  instance.unregister('key');