E.g. in https://sourcegraph.com/github.com/Kitware/CMake@3a171009e96a74da0c6c67030716ee83cd54a47e/-/blob/Source/cm_codecvt.hxx

Reported by customer

The customer also said that it doesn't work for hpp files but I was unable to reproduce that.

Based on the code, it seems like we're not getting the correct response payload.

https://sourcegraph.com/github.com/sourcegraph/sourcegraph@8379154d11d98bae47f5a7bb17336485e8b93ecb/-/blob/client/shared/src/codeintel/legacy-extensions/util/api.ts?L155-159

There is an unsafe cast here which we should remove later. https://sourcegraph.com/github.com/sourcegraph/sourcegraph@8379154d11d98bae47f5a7bb17336485e8b93ecb/-/blob/client/shared/src/codeintel/legacy-extensions/util/api.ts?L144