--
* Usage
* Constants
* classObj
* colorObj
* imageObj
* labelCacheMemberObj
* labelCacheObj
* labelObj
* layerObj
* legendObj
* lineObj
* mapObj
* markerCacheMemberObj
* pointObj?
* projectionObj?
* queryMapObj?
* rectObj?
* referenceMapObj?
* resultCacheMemberObj?
* resultCacheObj?
* scalebarObj?
* shapefileObj?
* shapeObj?
* styleObj?
* [wik:webObj]