question: get a list of nodes that have no outbound edges . concode_field_sep Set<Node> allNodes concode_elem_sep ListMultimap<Node,Edge<Node>> adjacencies concode_elem_sep int lowlink concode_elem_sep V nodeValue concode_elem_sep boolean visited concode_elem_sep int index concode_field_sep AdjacencyList<V> getReversedList concode_elem_sep Collection<Node> getInternalRootNodes concode_elem_sep Node getNewNode concode_elem_sep AdjacencyList<V> newInstance concode_elem_sep List<V> convert concode_elem_sep int compareTo concode_elem_sep V getNodeValue concode_elem_sep void fix concode_elem_sep int hashCode concode_elem_sep List<V> getRootNodes concode_elem_sep void printEdges concode_elem_sep Collection<Edge<Node>> getAllEdges concode_elem_sep List<Edge<Node>> getAdjacent concode_elem_sep String toString concode_elem_sep void clearVisited concode_elem_sep void addEdge concode_elem_sep Collection<Node> getInternalLeafNodes concode_elem_sep Set<Node> getNodeSet
target: Collection < V > function ( ) { return convert ( getInternalLeafNodes ( ) ) ; }