Bug report

Most likely a bug somewhere in DsMapDynamicReturnTypeExtension or possibly in ParametersAcceptorSelector but so far I was unable to figure it out.

Code snippet that reproduces the problem

https://phpstan.org/r/9c9c6dd3-0bb0-4008-90e7-25f37c3cd687

Expected output

no error