symfony/symfony — comment on commit c4226bb6dca4a032a0588a33a7b5dee8e2879347
File:  line 0
By havvg:

`null` is no datatype, but a special value. (beside internal usages)
`@return` is about defining the returned datatypes of methods and functions. I agree with @schmittjoh to leave the `@return void` in place.