Nodes called by the target (populated for 'down' and 'both').
Nodes that call the target (populated for 'up' and 'both').
Number of nodes in callers and callees (target excluded).
The resolved target node, or null when not found.
true when traversal stopped because maxNodes was reached.
OptionaltruncatedNode count at which traversal stopped; set only when truncated.
Result of
buildCallGraph.