CycleDetectedExcepti; public void addEdge(Vertex, Vertex) throws CycleDetectedExcepti; public void removeEdge(String, String); public void removeEdge(Vertex, Vertex); public Vertex getVertex(String); public boolean hasEdge(String, String); public java.util.List getChildLabels(String); public java.util.List getParentLabels(String); public Object clone() throws CloneNotSupportedExc; public boolean isConnected(String); public java.util.List getSuccessorLabels(String); } org/codehaus/plexus/util/dag/TopologicalSorter.class...