@segment/analytics-node/src/app/types/segment-event.ts

https://www.npmjs.com/package/@segment/analytics-node

import type { CoreSegmentEvent } from '@segment/analytics-core'

type SegmentEventType = 'track' | 'page' | 'identify' | 'alias' | 'screen'

export interface SegmentEvent extends CoreSegmentEvent {
  type: SegmentEventType
}