Then it might be a `phpcs` bug, but if we are to encourage people to use it, I would have the line changed anyway – so that `phpcs` doesn't report any errors anymore and contributors have a clear view.

The report:

```
FILE: composer/src/Composer/Autoload/ClassMapGenerator.php
--------------------------------------------------------------------------------
FOUND 5 ERROR(S) AFFECTING 3 LINE(S)
--------------------------------------------------------------------------------
 147 | ERROR | Opening parenthesis of a multi-line function call must be the
     |       | last content on the line
     |       | (PSR2.Methods.FunctionCallSignature.ContentAfterOpenBracket)
 152 | ERROR | Only one argument is allowed per line in a multi-line function
     |       | call (PSR2.Methods.FunctionCallSignature.MultipleArguments)
 152 | ERROR | Only one argument is allowed per line in a multi-line function
     |       | call (PSR2.Methods.FunctionCallSignature.MultipleArguments)
 152 | ERROR | Closing parenthesis of a multi-line function call must be on a
     |       | line by itself
     |       | (PSR2.Methods.FunctionCallSignature.CloseBracketLine)
 164 | ERROR | Line indented incorrectly; expected at least 20 spaces, found 18
     |       | (Generic.WhiteSpace.ScopeIndent.Incorrect)
--------------------------------------------------------------------------------
```