拓扑图

This class is designed to work with maps. 这个类设计用来处理拓扑图

Object references:

• Map
• Map element
• Map link
• Map URL
• Map user
• Map user group
• Map shape
• Map line

Available methods:

• map.create - create new maps
• map.delete - delete maps
• map.get - retrieve maps
• map.update - update maps