Here’s a neat trick for those complex types: type Identity<T> = T // This can be made recursive to an extent, alas I’m on mobile type Merge<T> = { [

Here’s a neat trick for those complex types: type Identity<T> = T // This can be made recursive to an extent, alas I’m on mobile type Merge<T> = { [K in keyof T]: Identity<T[K]> } type ReadableFoo = Merge<UnreadableFoo>