private void addDefaultAsyncHttpClientTransformer() {
        transformTemplate.transform("org.asynchttpclient.DefaultAsyncHttpClient", DefaultAsyncHttpClientTransform.class);
    }
@author netspider
@author emeroad
@author minwoo.jung
@author jaehong.kim
agent-module/plugins/ning-asynchttpclient/src/main/java/com/navercorp/pinpoint/plugin/ning/asynchttpclient/NingAsyncHttpClientPlugin.java