Data Method Map
constructor()
See DataMethodMap(Int).
Construct a new map with {@link com.sap.cloud.mobile.kotlin.odata.DataMethodMap#size DataMethodMap.size} of zero and optional initial capacity.
A map can expand in size beyond its initial capacity, but best performance
will be obtained if the initial capacity is close to (and not less than) the map's maximum size.
Parameters
capacity
Optional initial capacity.