For max state and event age, there are these too:
/hub/advanced/maxDeviceStateAgeDays - shows current setting
/hub/advanced/maxDeviceStateAgeDays/123 - sets max age, with acceptable values being 7 to 365, inclusive. (default: 7 days)
/hub/advanced/maxEventAgeDays - shows current setting
/hub/advanced/maxEventAgeDays/123 - sets max age (default: 365)
