/guava/guava/src/com/google/common/graph/ForwardingValueGraph.java
return delegate( ).nodes( ) ;
return delegate ( ) .nodeOrder ( ) ;
@Override public boolean allowsSelfLoops() { return delegate().allowsSelfLoops(); } @Override public ElementOrder<N> nodeOrder() { <extra_id_0> } @Override public ElementOrder<N> incidentEdgeOrder() { return delegate().incidentEdgeOrder(); } @Override