loadAsync
fun loadAsync(czml: Resource, options: CzmlDataSource.Companion.LoadOptions? = definedExternally): ERROR CLASS: Symbol not found for Promise<cesium/engine/CzmlDataSource>(source)
fun loadAsync(czml: String, options: CzmlDataSource.Companion.LoadOptions? = definedExternally): ERROR CLASS: Symbol not found for Promise<cesium/engine/CzmlDataSource>(source)
fun loadAsync(czml: ERROR CLASS: Symbol not found for JsAny, options: CzmlDataSource.Companion.LoadOptions? = definedExternally): ERROR CLASS: Symbol not found for Promise<cesium/engine/CzmlDataSource>(source)