/guava/guava/src/com/google/common/graph/MultiEdgesConnecting.java
if ( targetNode.equals( entry.getKey( ) ) ) {
if ( targetNode.equals ( entry.getValue ( ) ) ) {
return new AbstractIterator<E>() { @Override @CheckForNull protected E computeNext() { while (entries.hasNext()) { Entry<E, ?> entry = entries.next(); <extra_id_0> return entry.getKey(); } } return endOfData(); } };