def condense(self, View) -> View | Condensation:
        """Condense a sequence of events into a potentially smaller list.

        New condenser strategies should override this method to implement their own condensation logic. Call `self.add_metadata` in the implementation to record any relevant per-condensation diagnostic information.

        Args:
            View: A view of the history containing all events that should be condensed.

        Returns:
            View | Condensation: A condensed view of the events or an event indicating the history has been condensed.
        """
Condense a sequence of events into a potentially smaller list.

        New condenser strategies should override this method to implement their own condensation logic. Call `self.add_metadata` in the implementation to record any relevant per-condensation diagnostic information.

        Args:
            View: A view of the history containing all events that should be condensed.

        Returns:
            View | Condensation: A condensed view of the events or an event indicating the history has been condensed.
        
openhands/memory/condenser/condenser.py