Enumeration Members
DARK
DARK: "dark"
LIGHT
LIGHT: "light"
OUTDOORS
OUTDOORS: "outdoors"
SATELLITE
SATELLITE: "satellite"
SATELLITE_STREETS
SATELLITE_STREETS: "satellite_streets"
STREETS
STREETS: "streets"
TRAFFIC_DAY
TRAFFIC_DAY: "traffic_day"
TRAFFIC_NIGHT
TRAFFIC_NIGHT: "traffic_night"