generatorList.add(generator);
        } else if (logger.isDebugEnabled()) {
            logger.debug("{} is not available.", generator.getName());
        }
    }

    /**
     * Purges old thumbnail files based on the expiry time.
     *
     * @param expiry the expiry time threshold
     * @return the number of files purged
     */
    public long purge(final long expiry) {

      License. However, in accepting such obligations, You may act only
      on Your own behalf and on Your sole responsibility, not on behalf
      of any other Contributor, and only if You agree to indemnify,
      defend, and hold each Contributor harmless for any liability
      incurred by, or claims asserted against, such Contributor by reason
      of your accepting any such warranty or additional liability.

  ImmutableList() {}

  public static <E> Collector<E, ?, ImmutableList<E>> toImmutableList() {
    return CollectCollectors.toImmutableList();
  }

  // Casting to any type is safe because the list will never hold any elements.
  @SuppressWarnings("unchecked")
  public static <E> ImmutableList<E> of() {
    return (ImmutableList<E>) RegularImmutableList.EMPTY;
  }

  public static <E> ImmutableList<E> of(E e1) {

 * characters that need to be encoded is different for each component. For example, the path
 * component must escape all of its `?` characters, otherwise it could be interpreted as the
 * start of the URL's query. But within the query and fragment components, the `?` character
 * doesn't delimit anything and doesn't need to be escaped.
 *
 * ```java

obligations, You may act only on Your own behalf and on Your sole 
responsibility, not on behalf of any other Contributor, and only if You 
agree to indemnify, defend, and hold each Contributor harmless for any 
liability incurred by, or claims asserted against, such Contributor by 

- The scheduling queue didn't notice any extenders' failures, it could miss some cluster events,
  and it could end up Pods rejected by Extenders stuck in unschedulable pod pool in 5min in the worst-case scenario.

- Fix: set nil cache entry based on old cache ([#87592](https://github.com/kubernetes/kubernetes/pull/87592), [@aramase](https://github.com/aramase)) [SIG Cloud Provider]

### CVE-2022-3172: Aggregated API server can cause clients to be redirected (SSRF)

A security issue was discovered in kube-apiserver that could allow an attacker controlled aggregated API server to redirect client traffic to any URL.  This could lead to the client performing unexpected actions as well as leaking the client's credentials to third parties. 

                                        <label class="col-sm-3 text-sm-right col-form-label">_id</label>
                                        <div class="col-sm-9">${f:h(id)}</div>
                                    </div>
                                    <div class="form-group row">
                                        <label for="doc.doc_id" class="col-sm-3 text-sm-right col-form-label">doc_id</label>

         * It is recommended to apply a filter for retaining only the types of paths of interest,
         * because it can resolve ambiguities when a path could be of many types.
         *
         * @param pathTypeFilter predicate evaluating whether a path type should be included in the result
         * @return {@code this} for method call chaining
         */
        @Nonnull