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