putMap
Puts a new map in the map.
This returns a new MapBuilder, when done adding items to the map MapBuilder.end should be called to get the current builder back.
Return
a MapBuilder.
Parameters
key
the key.
Puts a new map in the map.
This returns a new MapBuilder, when done adding items to the map MapBuilder.end should be called to get the current builder back.
a MapBuilder.
the key.