code: public <T> ISyncHandler<? super T, ? extends ISyncableData> getHandler(T caller)
  	{
  		@SuppressWarnings("unchecked")
  		ISyncHandler<? super T, ? extends ISyncableData> handler = (ISyncHandler<? super T, ? extends ISyncableData>) handlers.get(caller.getClass());
  		if (handler == null)
  		{
  			MalisisCore.log.error("No ISyncHandler registered for type '{}'", caller.getClass());
  			return null;
  		}
  
  		return handler;
  	}
docs: Gets the {@link ISyncHandler} for the specified object.
  
  @param <T> the generic type
  @param caller the caller
  @return the handler