OptionalimageryOptionalmaxmaxlevel the datasource can provide the data.
Optionalmaxconfigures the visible level in the rendered map. Maps to Openlayers maxZoom and Cesium maximumTerrainLevel
OptionalminminLevel of the datasource (if not specified, calculated from extent)
Optionalminconfigures the visible level in the rendered map. Maps to Openlayers minZoom and Cesium minimiumTerrainLevel
Optionalopacity?: numberopacity between 0 and 1
Optionalspliteither 'left' or 'right', none if omitted
Optionaltiling
can be used to forward options to the cesium ImageryLayer