/super-csv/src/main/java/org/supercsv/util/ThreeDHashMap.java
final HashMap<K3, V> innerMap2 = innerMap1.get ( secondKey ) ;
} public int size(final K1 firstKey, final K2 secondKey) { final HashMap<K2, HashMap<K3, V>> innerMap1 = map.get(firstKey); if( innerMap1 == null ) { return 0; } <extra_id_0> if( innerMap2 == null ) { return 0; } return innerMap2.size(); } public Set<K1> keySet() {