Invalid method reference used for 'Comparator'
Reports method references mapped to the
Comparator interface that don't fulfill its contract.
Some method references, like
Integer::max, can be mapped to the
Comparator interface. However, using them as
Comparator is meaningless and the result might be unpredictable.
After the quick-fix is applied:
IntelliJ IDEA 2023.3, Qodana for JVM 2023.3