[Ray] Fix phpstan issues

Review Request #1006 — Created July 8, 2023 and submitted

pprkut
Lunr
7d2d589...
lunr

Fix phpstan issues

GitHub actions run: https://github.com/pprkut/lunr/actions/runs/5493970721

smillernl
  1. Ship It!
  2. 
      
pprkut
Review request changed

Status: Closed (submitted)

Change Summary:

Pushed to master (d1612b7)
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