def init_properties(self) -> '<STR_LIT>':
self._pigalle = {<EOL>PygalleBaseClass.__KEYS.INTERNALS: dict(),<EOL>PygalleBaseClass.__KEYS.PUBLIC: dict()<EOL>}<EOL>return self<EOL>
Initialize the Pigalle properties.

        # Returns:
            PygalleBaseClass: The current instance.