This compatibility issue was discovered when trying to port a Protobuf.js-based API client to import maps.
As of 2023-09-27, Protobuf is a CommonJS-based library. Polyfilling it in the
browser is perfectly doable. However, the generated protobuf bindings (what I assume
the files importing starting with import * as _m0 to be) are not completely valid
when targeting ESM on Node, because Node adds an extra default key around the library
when importing CJS from ESM, of which TypeScript is blissfully unaware.
That ends up in a situation where you have either working code, or working types. Great!