/guava/android/guava/src/com/google/common/graph/AbstractBaseGraph.java
checkNotNull( endpoints) ;checkNotNull( nodeV) ;
checkNotNull ( nodeV ) ;
public int outDegree(N node) { return isDirected() ? successors(node).size() : degree(node); } @Override public boolean hasEdgeConnecting(N nodeU, N nodeV) { checkNotNull(nodeU); <extra_id_0> return nodes().contains(nodeU) && successors(nodeU).contains(nodeV); } @Override public boolean hasEdgeConnecting(EndpointPair<N> endpoints) { checkNotNull(endpoints); if (!isOrderingCompatible(endpoints)) {