public ControlFlowGraph run(CompilationUnitTree root,ProcessingEnvironment env,MethodTree tree,ClassTree classTree){
  UnderlyingAST underlyingAST=new CFGMethod(tree,classTree);
  return run(root,env,underlyingAST);
}

public ControlFlowGraph run ( CompilationUnitTree root , ProcessingEnvironment env , MethodTree tree , ClassTree classTree ) { UnderlyingAST underlyingAST = new CFGMethod ( tree , classTree ) ; return run ( root , env , underlyingAST ) ; }
build the control flow graph of a method .
