complicate generic infer error

[951mmm]

my generic function:

public static <K, V> V getOrCreate(Map<K, V> map, K k, Supplier<? extends V> supplier)

my expression:

MapUtil.getOrCreate(MapUtil.getOrCreate(map, dt.getYear(), HashMap::new), dt.getMonthOfYear(), ArrayList::new).add(dt.getDayOfMonth());

my error:

[rgrunber]

I'm assuming dt is java.util.Date but what is map ?

[github-actions]

This issue has been closed automatically because it needs more information and has not had recent activity. Please reach out if you have or find the answers we need so that we can investigate further.

[rgrunber]

There's a good chance this is a manifestation of eclipse-jdt/eclipse.jdt.core#366 (much like #3688, #4059) but would be good to confirm.