Caffeine 3.3.1 maximumSize(3) given the dry-run operations (same-thread executor, cleanUp after each)
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put(1,A)   -> resident keys (unordered): [1]
put(2,B)   -> resident keys (unordered): [1, 2]
put(3,C)   -> resident keys (unordered): [1, 2, 3]
get(1)     -> resident keys (unordered): [1, 2, 3]
put(4,D)   -> resident keys (unordered): [1, 2, 4]
get(2)     -> resident keys (unordered): [1, 2, 4]
put(3,C2)  -> resident keys (unordered): [1, 2, 3]
put(5,E)   -> resident keys (unordered): [1, 2, 5]
get(4)     -> resident keys (unordered): [1, 2, 5]
get(1)     -> resident keys (unordered): [1, 2, 5]

A strict LRU of capacity 3 ends this sequence with [3, 5, 4] (see 01-dry-run-capacity-3.txt).