- [x] I tried using the `@types/mongoose` package and had problems. - [x] I tried using the latest stable version of tsc. https://www.npmjs.com/package/typescript - [x] I understand that `@types` package versions [do not follow SemVer](https://github.com/DefinitelyTyped/DefinitelyTyped#how-do-definitely-typed-package-versions-relate-to-versions-of-the-corresponding-library). - [X] I have a question that is inappropriate for [StackOverflow](https://stackoverflow.com/). - Authors: @guillem-gelabert `@types/mongoose` is causing the build to fail with following message:  Does this mean that mongoose is now providing it's own types, and `@types/mongoose` is deprecated or is it something else