docs: def init_properties(self) -> 'PygalleBaseClass':
          """ Initialize the Pigalle properties.
  
          # Returns:
              PygalleBaseClass: The current instance.
          """
          self._pigalle = {
              PygalleBaseClass.__KEYS.INTERNALS: dict(),
              PygalleBaseClass.__KEYS.PUBLIC: dict()
          }
          return self