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