code: public static void addTypeMapper(Class<?> clz, Class<?> mapper) {
  		synchronized (classMapper) {
  			LinkedHashSet<Class<?>> h = classMapper.get(clz);
  			if (h == null) {
  				h = new LinkedHashSet<Class<?>>();
  				classMapper.put(clz, h);
  			}
  			
  			h.add(mapper);
  		}
  	}
docs: Field type convertor for all classes
  
  Convertor classes should contains mapping method Prototyped as:
  
  public static DestinationType Method(Object data);
  
  @see DefaultConverter