CakePHP.WhiteSpace.FunctionSpacing should recognize comments

1 public function foo(): void {
2  //blah
3 }
4
5 // here's a comment
6 public function bar(): void {
7  //blah
8 }

The above produces an error:
6 | ERROR | [x] Every function/method needs a newline before (CakePHP.WhiteSpace.FunctionSpacing.Concrete)

Line 4 is a newline, which, IMO, satisfies the sniff requirement. The sniff is not paying attention to the fact that just above is a comment, and above that comment is a new line.

Changing line 5 to this /** here's a comment */ passes the sniff. Why does one comment style pass and the other does not? Both are perfectly valid php comments.

Start with the CakePHP.WhiteSpace.FunctionSpacing sniff and reproduce the reported PHP example containing line comments and doc comments. Trace why the blank line before the function is treated differently, then add coverage showing both valid comment styles satisfy the spacing requirement.