Returns the node that is connects this edge with other edge. In case of undirected graphs this is just the common node of both edges; in directed case this is the end node of this edge if it matches the start node of other edge.
MissingNodeException if the connecting node is undefined.
See Implementation
Returns the node that is connects this edge with other edge. In case of undirected graphs this is just the common node of both edges; in directed case this is the end node of this edge if it matches the start node of other edge.