docs: def changed(self):
          """
          Read, whether this State has changed since it was loaded/since this flag was last
          cleared.
  
          :returns: A boolean indicating, whether the public bundle data has changed since
              last reading this flag.
  
          Clears the flag when reading.
          """
  
          self.__checkSPKTimestamp()
  
          changed = self._changed
          self._changed = False
          return changed