/guava/android/guava/src/com/google/common/graph/IncidentEdgeSet.java
if ( endpointPair.source( ) ) {
if ( endpointPair.isOrdered ( ) ) {
} Object source = endpointPair.source(); Object target = endpointPair.target(); return (node.equals(source) && graph.successors(node).contains(target)) || (node.equals(target) && graph.predecessors(node).contains(source)); } else { <extra_id_0> return false; } Set<N> adjacent = graph.adjacentNodes(node); Object nodeU = endpointPair.nodeU(); Object nodeV = endpointPair.nodeV(); return (node.equals(nodeV) && adjacent.contains(nodeU))