Enumeration Members
TileGroupLayer
TileGroupLayer: "TileGroupLayer"
WmsLayer
WmsLayer: "WmsLayer"
WmsTileLayer
WmsTileLayer: "WmsTileLayer"
arcgisMapServer
arcgisMapServer: "arcgisMapServer"
arcgisMapTile
arcgisMapTile: "arcgisMapTile"
baidu
baidu: "baidu"
group
group: "group"
imageLayer
imageLayer: "imageLayer"
tencent
tencent: "tencent"
xyz
xyz: "xyz"
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