private ContentLength newContentLength() {
        ContentLength.Builder builder = ContentLength.newBuilder();
        builder.addContentType(String.class);
        builder.addContentType(byte[].class);
        return builder.build();
    }
@see JacksonPlugin#intercept_ObjectMapper(com.navercorp.pinpoint.bootstrap.plugin.ProfilerPluginSetupContext)
@author Sungkook Kim
agent-module/plugins/jackson/src/main/java/com/navercorp/pinpoint/plugin/jackson/interceptor/ReadValueInterceptor.java