private HttpClient3CallContext getAndCleanAttachment() {
        final InterceptorScopeInvocation invocation = interceptorScope.getCurrentInvocation();
        final Object attachment = getAttachment(invocation);
        if (attachment instanceof HttpClient3CallContext) {
            return (HttpClient3CallContext) invocation.removeAttachment();
        }

        return null;
    }
@author Minwoo Jung
@author jaehong.kim
agent-module/plugins/httpclient3/src/main/java/com/navercorp/pinpoint/plugin/httpclient3/interceptor/HttpMethodBaseExecuteMethodInterceptor.java