* @return The mapping between class and their associated renderer
*/
private Map< Class< ? >, PersistenceRenderer > createDefaultRenderers()
{
final Map< Class< ? >, PersistenceRenderer > renderers = new HashMap<>();
renderers.put( Collection.class, new CollectionRenderer( this ) );
renderers.put( Map.class, new MapRenderer( this ) );
renderers.put( String.class, new LeafNodeRenderer( this ) );
renderers.put( Integer.class, new LeafNodeRenderer( this ) );