public static GeoJsonPolygon<TCoordinates> Polygon<TCoordinates>(
	GeoJsonObjectArgs<TCoordinates> args,
	params TCoordinates[] positions
)
where TCoordinates : GeoJsonCoordinates

Public Shared Function Polygon(Of TCoordinates As GeoJsonCoordinates) ( 
	args As GeoJsonObjectArgs(Of TCoordinates),
	ParamArray positions As TCoordinates()
) As GeoJsonPolygon(Of TCoordinates)

static member Polygon : 
        args : GeoJsonObjectArgs<'TCoordinates> * 
        positions : 'TCoordinates[] -> GeoJsonPolygon<'TCoordinates>  when 'TCoordinates : GeoJsonCoordinates