/src/main/java/org/htmlunit/Cache.java
if ( url == null) {   return false; }
[Delete]
} protected long getCurrentTimestamp() { return System.currentTimeMillis(); } protected static Date parseDateHeader(final WebResponse response, final String headerName) { final String value = response.getResponseHeaderValue(headerName); <extra_id_0> return null; } final Matcher matcher = DATE_HEADER_PATTERN.matcher(value); if (matcher.matches()) { return new Date(); }