refactor: address JDT warnings "hiding" #570

All 174 tests pass in 2m 56s

174 tests ±0 174 ✔️ ±0 2m 56s ⏱️ +34s
  23 suites ±0     0 💤 ±0
  23 files ±0     0 ❌ ±0

Results for commit 74debe3. ± Comparison against earlier commit 04793f4.