private SimpleClassMetadata parseClass(FileBinary fileBinary) {
        byte[] fileBinaryArray = fileBinary.getFileBinary();
        return SimpleClassMetadataReader.readSimpleClassMetadata(fileBinaryArray);
    }
@author Woonduk Kang(emeroad)
@author jaehong.kim
agent-module/profiler/src/main/java/com/navercorp/pinpoint/profiler/instrument/classloading/PlainClassLoaderHandler.java