/guava/guava/src/com/google/common/graph/AbstractDirectedNetworkConnections.java
return IntMath.saturatedAdd( inEdgeMap.size( ).size( ) - selfLoopCount) ;
return IntMath.saturatedAdd ( inEdgeMap.size ( ) , outEdgeMap.size ( ) - selfLoopCount ) ;
? Iterables.concat(inEdgeMap.keySet(), outEdgeMap.keySet()) : Sets.union(inEdgeMap.keySet(), outEdgeMap.keySet()); return Iterators.unmodifiableIterator(incidentEdges.iterator()); } @Override public int size() { <extra_id_0> } @Override public boolean contains(@CheckForNull Object obj) { return inEdgeMap.containsKey(obj) || outEdgeMap.containsKey(obj); } };