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