Supported map layers include ArcGIS (dynamic or tiled), ArcIMS, and Graphics.

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	Class	Description
	ArcGISDynamicMapServiceLayer	Allows you to work with a dynamic map service resource exposed by the ArcGIS Server REST API (available in ArcGIS Server 9.3 and above).
	ArcGISImageServiceLayer	Allows you to work with an Image Service resource exposed by the ArcGIS Server REST API (available in ArcGIS Server 9.3 and above).
	ArcGISTiledMapServiceLayer	Allows you to work with a cached map service resource exposed by the ArcGIS Server REST API (available in ArcGIS Server 9.3 and above).
	ArcIMSMapServiceLayer	Allows you to add ArcIMS image services to your map.
	DynamicMapServiceLayer	Base class for all dynamic layers that can be added to a map.
	Field	Contains information about each field in a layer.
	GPResultImageLayer	Allows you to view a geoprocessing task result.
	GraphicsLayer	A layer that contains one or more Graphic features.
	ImageParameters	Represents the image parameter options used when calling ArcGISDynamicMapServiceLayer.exportMapImage, Geoprocessor.getResultImage, and Geoprocessor.getResultImageLayer.
	ImageServiceParameters	Represents the image parameter options used when calling ArcGISImageServiceLayer.exportMapImage.
	Layer	Base class for all layers that can be added to a map.
	LayerDetails	Contains detailed information about a layer in a map service.
	LayerInfo	Contains basic information about one layer in a map service.
	LOD	Levels of detail (LOD) for a TiledMapServiceLayer.
	MapImage	Represents the data object for the dynamically generated map.
	TiledMapServiceLayer	Base class for all tiled layers that can be added to a map.
	TileInfo	Contains information about the tiling scheme for a TiledMapServiceLayer.