Type error when using .schema() on a model (2.0.0-beta.0)

Versions

sequelize: 6.3.4
sequelize-typescript: 2.0.0-beta.0 (but also 1.1.0)
typescript: 3.9.7

I'm submitting a ... [x] bug report [ ] feature request

Actual behavior:

src/sq-ts.ts:8:9 - error TS2740: Type 'Model<{}, {}>' is missing the following properties from type 'Thing': $add, $set, $get, $count, and 3 more.

   const broken: Thing = await Thing.schema('test').findOne()
          ~~~~~~

Expected behavior: No type error

Steps to reproduce: Use the code from below with the versions specified above.

Related code:

import { Model } from 'sequelize-typescript';

class Thing extends Model<Thing> {
}

(async () => {
  const working: Thing = await Thing.findOne()
  const broken: Thing = await Thing.schema('test').findOne()
})()

sequelize / sequelize-typescript

Type error when using .schema() on a model (2.0.0-beta.0) #823