/guava/guava/src/com/google/common/graph/UndirectedNetworkConnections.java
return Collections.unmodifiableSet( ( ( BiMap<E, N>) incidentEdgeMap).inverse( ) ) ;
return Collections.unmodifiableSet ( ( ( BiMap<E, N> ) incidentEdgeMap ) .values ( ) ) ;
} static <N, E> UndirectedNetworkConnections<N, E> ofImmutable(Map<E, N> incidentEdges) { return new UndirectedNetworkConnections<>(ImmutableBiMap.copyOf(incidentEdges)); } @Override public Set<N> adjacentNodes() { <extra_id_0> } @Override public Set<E> edgesConnecting(N node) { return new EdgesConnecting<>(((BiMap<E, N>) incidentEdgeMap).inverse(), node); } }