private void setContentLength(int length) {
        headers.remove(HttpHeaderNames.TRANSFER_ENCODING);
        headers.set(HttpHeaderNames.CONTENT_LENGTH, Integer.toString(length));
    }
User: michaels@netflix.com
Date: 2/20/15
Time: 3:10 PM
zuul-core/src/main/java/com/netflix/zuul/message/ZuulMessageImpl.java