Default response body type.

[js2me]

Probably it should be void type ? Now its any

[azz]

void or never?

[js2me]

@azz void better because

In contrast never is a type containing no values, which means that a function with this return type can never return normally at all.

https://stackoverflow.com/questions/37910669/what-is-the-difference-between-never-and-void-in-typescript