JSDoc typedefs and TypeScript types.

```typescript

import {CurrentUser} from "@onflow/typedefs"

const newUser: CurrentUser = { 
  addr: null,
  cid: null,
  expiresAt: null,
  f_type: 'User',
  f_vsn: '1.0.0',
  loggedIn: null,
  services: []
}

```