const EventEmitter = require('events'); // Set the default max listeners for all EventEmitter instances EventEmitter.defaultMaxListeners = 15; const myEmitter = new EventEmitter(); // Set max listeners for a specific instance myEmitter.setMaxListeners(20); console.log('Default max listeners:', EventEmitter.defaultMaxListeners); console.log('myEmitter max listeners:', myEmitter.getMaxListeners()); // Adding more than maxListeners will trigger a warning // The warning helps identify potential memory leaks