How to use

validateEndpoints

method

in

com.google.common.graph.ConfigurableMutableValueGraph

@Override
@CanIgnoreReturnValue
public V putEdgeValue(EndpointPair<N> endpoints, V value) {
 validateEndpoints(endpoints);
 return putEdgeValue(endpoints.nodeU(), endpoints.nodeV(), value);
}

@Override
@CanIgnoreReturnValue
public V removeEdge(EndpointPair<N> endpoints) {
 validateEndpoints(endpoints);
 return removeEdge(endpoints.nodeU(), endpoints.nodeV());
}