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