make result classes internal

4 jobs for reformat-output in 24 seconds (queued for 6 seconds)
Status Name Job ID Coverage
  Build
passed build.composer #288688

00:00:09

 
  Test
passed test.linter #288691

00:00:11

passed test.phpstan #288690

00:00:15

passed test.tests #288689

00:00:11