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    public static ClassGen injectHackedCanvas(ClassGen _cg, ConstantPoolGen _cp, String clazz, String instance) {            InstructionList il = new InstructionList();            MethodGen method = new MethodGen(Constants.ACC_PUBLIC, new ObjectType("java.awt.Canvas"), Type.NO_ARGS, new String[] {  }, "myGetCanvas", "client", il, _cp);            InstructionFactory _factory = new InstructionFactory(_cg,_cp);            InstructionHandle ih_0 = il.append(_factory.createLoad(Type.OBJECT, 0));            il.append(_factory.createFieldAccess(clazz, instance, new ObjectType("java.awt.Canvas"), Constants.GETFIELD));            InstructionHandle ih_4 = il.append(_factory.createReturn(Type.OBJECT));            method.setMaxStack();            method.setMaxLocals();            _cg.addMethod(method.getMethod());            il.dispose();            return _cg;    }