[@Cesium] 1.66 (#42113)
[@Cesium] 1.66 (#42113)

* [@Cesium] 1.66

* small fixes

* tabs

georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped