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