Emric
I'll take a shoot at this.
@IanVS I've opened a pull request. :)
For me updating from version `14.1.1` to `15.1.0` seems to have resolved the issue.
I've got a PR open in the DefinitelyTyped repository. Feel free to use those types directly in this project or as a workaround. The PR: https://github.com/DefinitelyTyped/DefinitelyTyped/pull/52110 The types: ```typescript //...
The types are now available to install as a standalone package. Install with yarn: ```bash yarn add -D @types/json-api-serializer ``` Install with npm: ```bash npm install --save-dev @types/json-api-serializer ``` @danivek...