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// Automatically generated - do not modify!

@file:Suppress(
    "NON_EXTERNAL_DECLARATION_IN_INAPPROPRIATE_FILE",
    "EXTERNAL_CLASS_CONSTRUCTOR_PROPERTY_PARAMETER",
)

package cesium

/**
 * A base widget for building applications.  It composites all of the standard Cesium widgets into one reusable package.
 * The widget can always be extended by using mixins, which add functionality useful for a variety of applications.
 * ```
 * //Initialize the viewer widget with several custom options and mixins.
 * var viewer = new Viewer('cesiumContainer', {
 *     //Start in Columbus Viewer
 *     sceneMode : SceneMode.COLUMBUS_VIEW,
 *     //Use Cesium World Terrain
 *     terrainProvider : createWorldTerrain(),
 *     //Hide the base layer picker
 *     baseLayerPicker : false,
 *     //Use OpenStreetMaps
 *     imageryProvider : new OpenStreetMapImageryProvider({
 *         url : 'https://a.tile.openstreetmap.org/'
 *     }),
 *     skyBox : new SkyBox({
 *         sources : {
 *           positiveX : 'stars/TychoSkymapII.t3_08192x04096_80_px.jpg',
 *           negativeX : 'stars/TychoSkymapII.t3_08192x04096_80_mx.jpg',
 *           positiveY : 'stars/TychoSkymapII.t3_08192x04096_80_py.jpg',
 *           negativeY : 'stars/TychoSkymapII.t3_08192x04096_80_my.jpg',
 *           positiveZ : 'stars/TychoSkymapII.t3_08192x04096_80_pz.jpg',
 *           negativeZ : 'stars/TychoSkymapII.t3_08192x04096_80_mz.jpg'
 *         }
 *     }),
 *     // Show Columbus View map with Web Mercator projection
 *     mapProjection : new WebMercatorProjection()
 * });
 *
 * //Add basic drag and drop functionality
 * viewer.extend(viewerDragDropMixin);
 *
 * //Show a pop-up alert if we encounter an error when processing a dropped file
 * viewer.dropError.addEventListener(function(dropHandler, name, error) {
 *     console.log(error);
 *     window.alert(error);
 * });
 * ```
 * @see Online Documentation
 *
 * @constructor
 * @property [container] The DOM element that will contain the widget.
 * @see Online Documentation
 */
@JsName("\$cesium__Viewer")
external class Viewer(
    val container: org.w3c.dom.Element,
    options: ConstructorOptions? = definedExternally,
) {
    /**
     * Gets the DOM element for the area at the bottom of the window containing the
     * [CreditDisplay] and potentially other things.
     * @see Online Documentation
     */
    val bottomContainer: org.w3c.dom.Element

    /**
     * Gets the CesiumWidget.
     * @see Online Documentation
     */
    val cesiumWidget: CesiumWidget

    /**
     * Gets the selection indicator.
     * @see Online Documentation
     */
    val selectionIndicator: SelectionIndicator

    /**
     * Gets the info box.
     * @see Online Documentation
     */
    val infoBox: InfoBox

    /**
     * Gets the Geocoder.
     * @see Online Documentation
     */
    val geocoder: Geocoder

    /**
     * Gets the HomeButton.
     * @see Online Documentation
     */
    val homeButton: HomeButton

    /**
     * Gets the SceneModePicker.
     * @see Online Documentation
     */
    val sceneModePicker: SceneModePicker

    /**
     * Gets the ProjectionPicker.
     * @see Online Documentation
     */
    val projectionPicker: ProjectionPicker

    /**
     * Gets the BaseLayerPicker.
     * @see Online Documentation
     */
    val baseLayerPicker: BaseLayerPicker

    /**
     * Gets the NavigationHelpButton.
     * @see Online Documentation
     */
    val navigationHelpButton: NavigationHelpButton

    /**
     * Gets the Animation widget.
     * @see Online Documentation
     */
    val animation: Animation

    /**
     * Gets the Timeline widget.
     * @see Online Documentation
     */
    val timeline: Timeline

    /**
     * Gets the FullscreenButton.
     * @see Online Documentation
     */
    val fullscreenButton: FullscreenButton

    /**
     * Gets the VRButton.
     * @see Online Documentation
     */
    val vrButton: VRButton

    /**
     * Gets the display used for [DataSource] visualization.
     * @see Online Documentation
     */
    val dataSourceDisplay: DataSourceDisplay

    /**
     * Gets the collection of entities not tied to a particular data source.
     * This is a shortcut to [dataSourceDisplay.defaultDataSource.entities][Viewer.dataSourceDisplay].
     * @see Online Documentation
     */
    val entities: EntityCollection

    /**
     * Gets the set of [DataSource] instances to be visualized.
     * @see Online Documentation
     */
    val dataSources: DataSourceCollection

    /**
     * Gets the canvas.
     * @see Online Documentation
     */
    val canvas: org.w3c.dom.HTMLCanvasElement

    /**
     * Gets the scene.
     * @see Online Documentation
     */
    val scene: Scene

    /**
     * Determines if shadows are cast by light sources.
     * @see Online Documentation
     */
    var shadows: Boolean

    /**
     * Determines if the terrain casts or shadows from light sources.
     * @see Online Documentation
     */
    var terrainShadows: ShadowMode

    /**
     * Get the scene's shadow map
     * @see Online Documentation
     */
    val shadowMap: ShadowMap

    /**
     * Gets the collection of image layers that will be rendered on the globe.
     * @see Online Documentation
     */
    val imageryLayers: ImageryLayerCollection

    /**
     * The terrain provider providing surface geometry for the globe.
     * @see Online Documentation
     */
    var terrainProvider: TerrainProvider

    /**
     * Gets the camera.
     * @see Online Documentation
     */
    val camera: Camera

    /**
     * Gets the post-process stages.
     * @see Online Documentation
     */
    val postProcessStages: PostProcessStageCollection

    /**
     * Gets the clock.
     * @see Online Documentation
     */
    val clock: Clock

    /**
     * Gets the clock view model.
     * @see Online Documentation
     */
    val clockViewModel: ClockViewModel

    /**
     * Gets the screen space event handler.
     * @see Online Documentation
     */
    val screenSpaceEventHandler: ScreenSpaceEventHandler

    /**
     * Gets or sets the target frame rate of the widget when `useDefaultRenderLoop`
     * is true. If undefined, the browser's [requestAnimationFrame] implementation
     * determines the frame rate.  If defined, this value must be greater than 0.  A value higher
     * than the underlying requestAnimationFrame implementation will have no effect.
     * @see Online Documentation
     */
    var targetFrameRate: Int

    /**
     * Gets or sets whether or not this widget should control the render loop.
     * If set to true the widget will use [requestAnimationFrame] to
     * perform rendering and resizing of the widget, as well as drive the
     * simulation clock. If set to false, you must manually call the
     * `resize`, `render` methods
     * as part of a custom render loop.  If an error occurs during rendering, [Scene]'s
     * `renderError` event will be raised and this property
     * will be set to false.  It must be set back to true to continue rendering
     * after the error.
     * @see Online Documentation
     */
    var useDefaultRenderLoop: Boolean

    /**
     * Gets or sets a scaling factor for rendering resolution.  Values less than 1.0 can improve
     * performance on less powerful devices while values greater than 1.0 will render at a higher
     * resolution and then scale down, resulting in improved visual fidelity.
     * For example, if the widget is laid out at a size of 640x480, setting this value to 0.5
     * will cause the scene to be rendered at 320x240 and then scaled up while setting
     * it to 2.0 will cause the scene to be rendered at 1280x960 and then scaled down.
     * @see Online Documentation
     */
    var resolutionScale: Double

    /**
     * Boolean flag indicating if the browser's recommended resolution is used.
     * If true, the browser's device pixel ratio is ignored and 1.0 is used instead,
     * effectively rendering based on CSS pixels instead of device pixels. This can improve
     * performance on less powerful devices that have high pixel density. When false, rendering
     * will be in device pixels. [Viewer.resolutionScale] will still take effect whether
     * this flag is true or false.
     * @see Online Documentation
     */
    var useBrowserRecommendedResolution: Boolean

    /**
     * Gets or sets whether or not data sources can temporarily pause
     * animation in order to avoid showing an incomplete picture to the user.
     * For example, if asynchronous primitives are being processed in the
     * background, the clock will not advance until the geometry is ready.
     * @see Online Documentation
     */
    var allowDataSourcesToSuspendAnimation: Boolean

    /**
     * Gets or sets the Entity instance currently being tracked by the camera.
     * @see Online Documentation
     */
    var trackedEntity: Entity?

    /**
     * Gets or sets the object instance for which to display a selection indicator.
     *
     * If a user interactively picks a Cesium3DTilesFeature instance, then this property
     * will contain a transient Entity instance with a property named "feature" that is
     * the instance that was picked.
     * @see Online Documentation
     */
    var selectedEntity: Entity?

    /**
     * Gets the event that is raised when the selected entity changes.
     * @see Online Documentation
     */
    val selectedEntityChanged: Event

    /**
     * Gets the event that is raised when the tracked entity changes.
     * @see Online Documentation
     */
    val trackedEntityChanged: Event

    /**
     * Gets or sets the data source to track with the viewer's clock.
     * @see Online Documentation
     */
    var clockTrackedDataSource: DataSource

    /**
     * Extends the base viewer functionality with the provided mixin.
     * A mixin may add additional properties, functions, or other behavior
     * to the provided viewer instance.
     * @param [mixin] The Viewer mixin to add to this instance.
     * @param [options] The options object to be passed to the mixin function.
     * @see Online Documentation
     */
    fun extend(
        mixin: ViewerMixin,
        options: Any? = definedExternally,
    )

    /**
     * Resizes the widget to match the container size.
     * This function is called automatically as needed unless
     * `useDefaultRenderLoop` is set to false.
     * @see Online Documentation
     */
    fun resize()

    /**
     * This forces the widget to re-think its layout, including
     * widget sizes and credit placement.
     * @see Online Documentation
     */
    fun forceResize()

    /**
     * Renders the scene.  This function is called automatically
     * unless `useDefaultRenderLoop` is set to false;
     * @see Online Documentation
     */
    fun render()

    /**
     * @return true if the object has been destroyed, false otherwise.
     * @see Online Documentation
     */
    fun isDestroyed(): Boolean

    /**
     * Destroys the widget.  Should be called if permanently
     * removing the widget from layout.
     * @see Online Documentation
     */
    fun destroy()

    /**
     * Asynchronously sets the camera to view the provided entity, entities, or data source.
     * If the data source is still in the process of loading or the visualization is otherwise still loading,
     * this method waits for the data to be ready before performing the zoom.
     *
     * The offset is heading/pitch/range in the local east-north-up reference frame centered at the center of the bounding sphere.
     * The heading and the pitch angles are defined in the local east-north-up reference frame.
     * The heading is the angle from y axis and increasing towards the x axis. Pitch is the rotation from the xy-plane. Positive pitch
     * angles are above the plane. Negative pitch angles are below the plane. The range is the distance from the center. If the range is
     * zero, a range will be computed such that the whole bounding sphere is visible.
     *
     * In 2D, there must be a top down view. The camera will be placed above the target looking down. The height above the
     * target will be the range. The heading will be determined from the offset. If the heading cannot be
     * determined from the offset, the heading will be north.
     * @param [target] The entity, array of entities, entity collection, data source, Cesium3DTileset, point cloud, or imagery layer to view. You can also pass a promise that resolves to one of the previously mentioned types.
     * @param [offset] The offset from the center of the entity in the local east-north-up reference frame.
     * @return A Promise that resolves to true if the zoom was successful or false if the target is not currently visualized in the scene or the zoom was cancelled.
     * @see Online Documentation
     */
    fun zoomTo(
        target: Entity,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: Array,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: EntityCollection,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: DataSource,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: ImageryLayer,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: Cesium3DTileset,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: TimeDynamicPointCloud,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise>,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    fun zoomTo(
        target: kotlin.js.Promise,
        offset: HeadingPitchRange? = definedExternally,
    ): kotlin.js.Promise

    /**
     * Flies the camera to the provided entity, entities, or data source.
     * If the data source is still in the process of loading or the visualization is otherwise still loading,
     * this method waits for the data to be ready before performing the flight.
     *
     * The offset is heading/pitch/range in the local east-north-up reference frame centered at the center of the bounding sphere.
     * The heading and the pitch angles are defined in the local east-north-up reference frame.
     * The heading is the angle from y axis and increasing towards the x axis. Pitch is the rotation from the xy-plane. Positive pitch
     * angles are above the plane. Negative pitch angles are below the plane. The range is the distance from the center. If the range is
     * zero, a range will be computed such that the whole bounding sphere is visible.
     *
     * In 2D, there must be a top down view. The camera will be placed above the target looking down. The height above the
     * target will be the range. The heading will be determined from the offset. If the heading cannot be
     * determined from the offset, the heading will be north.
     * @param [target] The entity, array of entities, entity collection, data source, Cesium3DTileset, point cloud, or imagery layer to view. You can also pass a promise that resolves to one of the previously mentioned types.
     * @return A Promise that resolves to true if the flight was successful or false if the target is not currently visualized in the scene or the flight was cancelled. //TODO: Cleanup entity mentions
     * @see Online Documentation
     */
    fun flyTo(
        target: Entity,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    /**
     * @property [duration] The duration of the flight in seconds.
     *   Default value - `3.0`
     * @property [maximumHeight] The maximum height at the peak of the flight.
     * @property [offset] The offset from the target in the local east-north-up reference frame centered at the target.
     */
    interface FlyToOptions {
        var duration: Double?
        var maximumHeight: Double?
        var offset: HeadingPitchRange?
    }

    fun flyTo(
        target: Array,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: EntityCollection,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: DataSource,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: ImageryLayer,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: Cesium3DTileset,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: TimeDynamicPointCloud,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise>,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    fun flyTo(
        target: kotlin.js.Promise,
        options: FlyToOptions? = definedExternally,
    ): kotlin.js.Promise

    /**
     * Initialization options for the Viewer constructor
     * @property [animation] If set to false, the Animation widget will not be created.
     *   Default value - `true`
     * @property [baseLayerPicker] If set to false, the BaseLayerPicker widget will not be created.
     *   Default value - `true`
     * @property [fullscreenButton] If set to false, the FullscreenButton widget will not be created.
     *   Default value - `true`
     * @property [vrButton] If set to true, the VRButton widget will be created.
     *   Default value - `false`
     * @property [geocoder] If set to false, the Geocoder widget will not be created.
     *   Default value - `true`
     * @property [homeButton] If set to false, the HomeButton widget will not be created.
     *   Default value - `true`
     * @property [infoBox] If set to false, the InfoBox widget will not be created.
     *   Default value - `true`
     * @property [sceneModePicker] If set to false, the SceneModePicker widget will not be created.
     *   Default value - `true`
     * @property [selectionIndicator] If set to false, the SelectionIndicator widget will not be created.
     *   Default value - `true`
     * @property [timeline] If set to false, the Timeline widget will not be created.
     *   Default value - `true`
     * @property [navigationHelpButton] If set to false, the navigation help button will not be created.
     *   Default value - `true`
     * @property [navigationInstructionsInitiallyVisible] True if the navigation instructions should initially be visible, or false if the should not be shown until the user explicitly clicks the button.
     *   Default value - `true`
     * @property [scene3DOnly] When `true`, each geometry instance will only be rendered in 3D to save GPU memory.
     *   Default value - `false`
     * @property [shouldAnimate] `true` if the clock should attempt to advance simulation time by default, `false` otherwise.  This option takes precedence over setting [Viewer.clockViewModel].
     *   Default value - `false`
     * @property [clockViewModel] The clock view model to use to control current time.
     *   Default value - [ClockViewModel(clock)][ClockViewModel]
     * @property [selectedImageryProviderViewModel] The view model for the current base imagery layer, if not supplied the first available base layer is used.  This value is only valid if `baseLayerPicker` is set to true.
     * @property [imageryProviderViewModels] The array of ProviderViewModels to be selectable from the BaseLayerPicker.  This value is only valid if `baseLayerPicker` is set to true.
     *   Default value - `createDefaultImageryProviderViewModels()`
     * @property [selectedTerrainProviderViewModel] The view model for the current base terrain layer, if not supplied the first available base layer is used.  This value is only valid if `baseLayerPicker` is set to true.
     * @property [terrainProviderViewModels] The array of ProviderViewModels to be selectable from the BaseLayerPicker.  This value is only valid if `baseLayerPicker` is set to true.
     *   Default value - `createDefaultTerrainProviderViewModels()`
     * @property [imageryProvider] The imagery provider to use.  This value is only valid if `baseLayerPicker` is set to false.
     *   Default value - [createWorldImagery()][createWorldImagery]
     * @property [terrainProvider] The terrain provider to use
     *   Default value - [EllipsoidTerrainProvider()][EllipsoidTerrainProvider]
     * @property [skyBox] The skybox used to render the stars.  When `undefined`, the default stars are used. If set to `false`, no skyBox, Sun, or Moon will be added.
     * @property [skyAtmosphere] Blue sky, and the glow around the Earth's limb.  Set to `false` to turn it off.
     * @property [fullscreenElement] The element or id to be placed into fullscreen mode when the full screen button is pressed.
     *   Default value - `document.body`
     * @property [useDefaultRenderLoop] True if this widget should control the render loop, false otherwise.
     *   Default value - `true`
     * @property [targetFrameRate] The target frame rate when using the default render loop.
     * @property [showRenderLoopErrors] If true, this widget will automatically display an HTML panel to the user containing the error, if a render loop error occurs.
     *   Default value - `true`
     * @property [useBrowserRecommendedResolution] If true, render at the browser's recommended resolution and ignore `window.devicePixelRatio`.
     *   Default value - `true`
     * @property [automaticallyTrackDataSourceClocks] If true, this widget will automatically track the clock settings of newly added DataSources, updating if the DataSource's clock changes.  Set this to false if you want to configure the clock independently.
     *   Default value - `true`
     * @property [contextOptions] Context and WebGL creation properties corresponding to `options` passed to [Scene].
     * @property [sceneMode] The initial scene mode.
     *   Default value - [SceneMode.SCENE3D]
     * @property [mapProjection] The map projection to use in 2D and Columbus View modes.
     *   Default value - [GeographicProjection()][GeographicProjection]
     * @property [globe] The globe to use in the scene.  If set to `false`, no globe will be added.
     *   Default value - [Globe(mapProjection.ellipsoid)][Globe]
     * @property [orderIndependentTranslucency] If true and the configuration supports it, use order independent translucency.
     *   Default value - `true`
     * @property [creditContainer] The DOM element that will contain the [CreditDisplay].  If not specified, the credits are added to the bottom of the widget itself.
     * @property [creditViewport] The DOM element that will contain the credit pop up created by the [CreditDisplay].  If not specified, it will appear over the widget itself.
     * @property [dataSources] The collection of data sources visualized by the widget.  If this parameter is provided,
     *   the instance is assumed to be owned by the caller and will not be destroyed when the viewer is destroyed.
     *   Default value - [DataSourceCollection()][DataSourceCollection]
     * @property [shadows] Determines if shadows are cast by light sources.
     *   Default value - `false`
     * @property [terrainShadows] Determines if the terrain casts or receives shadows from light sources.
     *   Default value - [ShadowMode.RECEIVE_ONLY]
     * @property [mapMode2D] Determines if the 2D map is rotatable or can be scrolled infinitely in the horizontal direction.
     *   Default value - [MapMode2D.INFINITE_SCROLL]
     * @property [projectionPicker] If set to true, the ProjectionPicker widget will be created.
     *   Default value - `false`
     * @property [requestRenderMode] If true, rendering a frame will only occur when needed as determined by changes within the scene. Enabling reduces the CPU/GPU usage of your application and uses less battery on mobile, but requires using [Scene.requestRender] to render a new frame explicitly in this mode. This will be necessary in many cases after making changes to the scene in other parts of the API. See [Improving Performance with Explicit Rendering](https://cesium.com/blog/2018/01/24/cesium-scene-rendering-performance/).
     *   Default value - `false`
     * @property [maximumRenderTimeChange] If requestRenderMode is true, this value defines the maximum change in simulation time allowed before a render is requested. See [Improving Performance with Explicit Rendering](https://cesium.com/blog/2018/01/24/cesium-scene-rendering-performance/).
     *   Default value - `0.0`
     * @see Online Documentation
     */
    interface ConstructorOptions {
        var animation: Boolean?
        var baseLayerPicker: Boolean?
        var fullscreenButton: Boolean?
        var vrButton: Boolean?
        var geocoder: dynamic
        var homeButton: Boolean?
        var infoBox: Boolean?
        var sceneModePicker: Boolean?
        var selectionIndicator: Boolean?
        var timeline: Boolean?
        var navigationHelpButton: Boolean?
        var navigationInstructionsInitiallyVisible: Boolean?
        var scene3DOnly: Boolean?
        var shouldAnimate: Boolean?
        var clockViewModel: ClockViewModel?
        var selectedImageryProviderViewModel: ProviderViewModel?
        var imageryProviderViewModels: Array?
        var selectedTerrainProviderViewModel: ProviderViewModel?
        var terrainProviderViewModels: Array?
        var imageryProvider: ImageryProvider?
        var terrainProvider: TerrainProvider?
        var skyBox: dynamic
        var skyAtmosphere: dynamic
        var fullscreenElement: org.w3c.dom.Element?
        var useDefaultRenderLoop: Boolean?
        var targetFrameRate: Int?
        var showRenderLoopErrors: Boolean?
        var useBrowserRecommendedResolution: Boolean?
        var automaticallyTrackDataSourceClocks: Boolean?
        var contextOptions: Any?
        var sceneMode: SceneMode?
        var mapProjection: MapProjection?
        var globe: dynamic
        var orderIndependentTranslucency: Boolean?
        var creditContainer: org.w3c.dom.Element?
        var creditViewport: org.w3c.dom.Element?
        var dataSources: DataSourceCollection?
        var shadows: Boolean?
        var terrainShadows: ShadowMode?
        var mapMode2D: MapMode2D?
        var projectionPicker: Boolean?
        var requestRenderMode: Boolean?
        var maximumRenderTimeChange: Double?
    }
}

/**
 * A function that augments a Viewer instance with additional functionality.
 * @param [viewer] The viewer instance.
 * @param [options] Options object to be passed to the mixin function.
 * @see Online Documentation
 */
typealias ViewerMixin = (viewer: Viewer, options: Any) -> Unit




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