property EventEmitter.errorMonitor
Usage in Deno
```typescript import { EventEmitter } from "node:node__events.d.ts"; ```This symbol shall be used to install a listener for only monitoring `'error'` events. Listeners installed using this symbol are called before the regular `'error'` listeners are called.
Installing a listener using this symbol does not change the behavior once an `'error'` event is emitted. Therefore, the process will still crash if no
regular `'error'` listener is installed.
unique symbol