node_modules/cloudevents/dist/transport/emitter.d.ts:48:22 - error TS2417: Class static side 'typeof Emitter' incorrectly extends base class static side 'typeof EventEmitter'.
  Types of property 'on' are incompatible.
    Type '(event: "newListener" | "removeListener" | "cloudevent", listener: (...args: any[]) => void) => void' is not assignable to type '(emitter: EventEmitter, event: string) => AsyncIterableIterator<any>'.
      Types of parameters 'event' and 'emitter' are incompatible.
        Type 'EventEmitter' is not assignable to type '"newListener" | "removeListener" | "cloudevent"'.
          Type 'EventEmitter' is not assignable to type '"cloudevent"'.

48 export declare class Emitter extends EventEmitter {
                       ~~~~~~~

    "cloudevents": "4.0.0",
    "@types/node": "14.14.27",
    "typescript": "4.1.3"

    "cloudevents": "4.0.0",
    "@types/node": "14.14.27",
    "typescript": "4.1.3"