Struct Node Private Public Variables count Number of non-null entries in data. Public ushort count Number of non-null entries in data. data Nodes in this leaf node (null if not a leaf node) Public GraphNode[] data Nodes in this leaf node (null if not a leaf node) split Split point along the splitAxis if not a leaf node. Public int split Split point along the splitAxis if not a leaf node. splitAxis Axis to split along if not a leaf node (x=0, y=1, z=2) Public byte splitAxis Axis to split along if not a leaf node (x=0, y=1, z=2)