def same_tech(self, other: Union[UnitTypeId, Set[UnitTypeId], List[UnitTypeId], Dict[UnitTypeId, Any]]) -> "Units":
        """ Usage:
        'self.units.same_tech(UnitTypeId.COMMANDCENTER)' or 'self.units.same_tech(UnitTypeId.ORBITALCOMMAND)'
        returns all CommandCenter, CommandCenterFlying, OrbitalCommand, OrbitalCommandFlying, PlanetaryFortress
        This also works with a set/list/dict parameter, e.g. 'self.units.same_tech({UnitTypeId.COMMANDCENTER, UnitTypeId.SUPPLYDEPOT})'
        Untested: This should return the equivalents for Hatchery, WarpPrism, Observer, Overseer, SupplyDepot and others
        """
        if isinstance(other, UnitTypeId):
            other = {other}
        tech_alias_types = set(other)
        for unitType in other:
            tech_alias = self.game_data.units[unitType.value].tech_alias
            if tech_alias:
                for same in tech_alias:
                    tech_alias_types.add(same)
        return self.filter(
            lambda unit: unit.type_id in tech_alias_types
            or unit._type_data.tech_alias is not None
            and any(same in tech_alias_types for same in unit._type_data.tech_alias)
        )