PathFinder.findLongestPath (Graph)

Finds the longest path in a graph. Returns null if path is not found.

PathFinder.findLongestPath (Graph, long)

Finds the longest path in the graph. The time limit specifies the maximum duration of the search process in milliseconds. Returns null if no path exists.

PathFinder.findLongestPath (Graph, Node, Node)

Finds the longest path between two nodes. Returns null if no path exists.