What code were you trying to parse?

import { app, ipcMain } from 'electron';

What did you expect to happen?

No error on the first line of code

What actually happened?

Received an error stating Parsing error: not implemented

Versions

When I manually pin my @typescript-eslint/parser dependency to 2.23.0 that error no longer happens and eslint uses the rules in the project's .eslintrc.json. If necessary I can post the debug log in a gist.