RootCauseunvalidated

Because of `orElse(null)` the `return` can yield `null`. — return Optional.ofNullable(string).map(String::toLowerCase).orElse(null);. Tension: The Sonar message erroneously labels this returnal as "ofNullable". Outcome: Use `@Nullable` on the `toLowerCaseNullSafe`.

b9dce48e-8782-4157-8cf6-b7c47b779dca

Because of orElse(null) the return can yield null. — return Optional.ofNullable(string).map(String::toLowerCase).orElse(null);. Tension: The Sonar message erroneously labels this returnal as "ofNullable". Outcome: Use @Nullable on the toLowerCaseNullSafe.