private String decodeURL(String url) {
        // Not yet supported - unsure yet whether we want to perform translation on the
        // raw URL or instead first decode it.  Re-encoding it is tricky, because the
        // default java URL encoder is pretty aggressive - e.g. it will turn
        // http://apiman.io into http%3A%2F%2Fapiman.io - when we really don't want that.
        return url;
    }
@param url the URL to decode
@return the decoded URL
gateway/engine/policies/src/main/java/io/apiman/gateway/engine/policies/rewrite/URLRewritingStream.java