Overlays are markup features added on the client-side as markers (including bubble markers), polylines, polygons, and circles.

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	Class	Description
	BubbleMarker	A bubble marker is an overlay object to represent a location on the map to be drawn in a specific style, and with specific content.
	Circle	A circle overlay represents a geographic circle and consists of both a CircleShape and a PolygonStyle.
	Marker	Marker is an overlay object drawn in a specific style at a specific location.
	OverlayObject	OverlayObjects are visual elements (circle, marker, polygon, polyline) that will be drawn on top of the base layers.
	Polygon	A polygon consists of both a PolygonShape and a style.
	Polyline	A polyline consists of both a PolylineShape and a style.