/guava/android/guava/src/com/google/common/graph/AbstractDirectedNetworkConnections.java
N previousNode = inEdgeMap.remove( edge) ; }checkNonNegative( --selfLoopCount) ;
checkNonNegative ( --selfLoopCount ) ; } N previousNode = inEdgeMap.remove ( edge ) ;
public N adjacentNode(E edge) { return requireNonNull(outEdgeMap.get(edge)); } @Override public N removeInEdge(E edge, boolean isSelfLoop) { if (isSelfLoop) { <extra_id_0> return requireNonNull(previousNode); } @Override public N removeOutEdge(E edge) { N previousNode = outEdgeMap.remove(edge); return requireNonNull(previousNode);