Initialize the Pigalle properties.

        # Returns:
            PygalleBaseClass: The current instance.

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