$

Map

+

IntPoint2D IntPoint3D IntPointN LongPoint2D

+=

Map SkipList SkipOctree Modifiable

-

IntPoint2D IntPoint3D IntPointN LongPoint2D

--->

Dummy Event EventLike

-/->

Dummy Event EventLike

-=

Map SkipList SkipOctree Modifiable

_context

BasicTxnImpl