@Override
    public void addClassFileTransformer(Matcher matcher, String transformCallbackClassName, Object[] parameters, Class<?>[] parameterType) {
        checkOpen();
        instrumentContext.addClassFileTransformer(matcher, transformCallbackClassName, parameters, parameterType);
    }
@author Woonduk Kang(emeroad)
@author jaehong.kim
agent-module/profiler/src/main/java/com/navercorp/pinpoint/profiler/instrument/GuardInstrumentContext.java