public static Class<?> defineClass(ClassLoader classLoader, String name, byte[] bytes) {
        return defineClass.defineClass(classLoader, name, bytes);
    }
for package access
@author Woonduk Kang(emeroad)
agent-module/profiler-optional/profiler-optional-jdk8/src/test/java/com/navercorp/pinpoint/profiler/instrument/classloading/DefineClassUtils.java