@Override
    public Map<String, HttpCacheEntry> getEntries(final Collection<String> keys) throws ResourceIOException {
        Args.notNull(keys, "Key");
        final Map<String, HttpCacheEntry> resultMap = new HashMap<>(keys.size());
        for (final String key: keys) {
            final HttpCacheEntry entry = getEntry(key);
            if (entry != null) {
                resultMap.put(key, entry);
            }
        }
        return resultMap;
    }
Removes a HttpCacheEntry from the cache

@param url
           Url that is the cache key
httpclient5-cache/src/main/java/org/apache/hc/client5/http/impl/cache/BasicHttpCacheStorage.java