protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

     * @param coordinates array of {@link ArtifactCoordinates}
     * @return {@link ArtifactResolverResult}
     * @throws ArtifactResolverException in case of an error.
     * @throws IllegalArgumentException in case of parameter {@code buildingRequest} is {@code null} or
     *             parameter {@code coordinates} is {@code null} or invalid
     */

     * を使用してXMLとして構文解析します。
     *
     * @param parser
     *            使用する{@link SAXParser}。{@literal null}であってはいけません
     * @param inputSource
     *            構文解析されるコンテンツを含む{@link InputSource}。{@literal null}であってはいけません
     * @param handler
     *            使用するSAX {@link DefaultHandler}。{@literal null}であってはいけません
     */

            if (actionResponse == null) {
                throw responseManager.new400("Unsupported request type.");
            }
            return actionResponse;
        } catch (final SsoMessageException e) {
            if (e.getCause() == null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Metadata response.", e);

 *
 * ```
 * http://example\t.\norg http://example.org/foo/bar s:http h:example.org p:/
 * ```
 */
class WebPlatformUrlTestData {
  var input: String? = null
  var base: String? = null
  var scheme = ""
  var username = ""
  var password: String? = null
  var host = ""
  var port = ""
  var path = ""
  var query = ""
  var fragment = ""

  fun expectParseFailure() = scheme.isEmpty()

  /**
   * Determines whether two possibly-null objects are equal. Returns:
   *
   * <ul>
   *   <li>{@code true} if {@code a} and {@code b} are both null.
   *   <li>{@code true} if {@code a} and {@code b} are both non-null and they are equal according to
   *       {@link Object#equals(Object)}.
   *   <li>{@code false} in all other situations.
   * </ul>
   *

     * @param settings The settings to validate, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void validate(Settings settings, SettingsProblemCollector problems);

    /**
     * Validate the specified settings.
     *
     * @param settings The settings to validate, must not be {@code null}.

        if (millis != null) {
            delayMillisAfterProcessing = millis;
        }

        millis = params.get("delayMillisAtNoUrlInQueue");
        if (millis != null) {
            delayMillisAtNoUrlInQueue = millis;
        }

        millis = params.get("delayMillisBeforeProcessing");
        if (millis != null) {
            delayMillisBeforeProcessing = millis;
        }

    if (entry != null && entry.key == key) {
      return entry.value;
    }
    entry = cacheEntry2;
    if (entry != null && entry.key == key) {
      // Promote second cache entry to first so the access pattern
      // [K1, K2, K1, K3, K1, K4...] still hits the cache half the time.
      addToCache(entry);
      return entry.value;
    }
    return null;
  }

  @Override
  void clearCache() {
    super.clearCache();

    public DefaultLifecycles() {
        this.lookup = null;
        this.registry = null;
    }

    /**
     * @deprecated Use {@link #DefaultLifecycles(LifecycleRegistry,Lookup)} instead
     */
    @Deprecated
    public DefaultLifecycles(Map<String, Lifecycle> lifecycles, org.codehaus.plexus.logging.Logger logger) {
        this.customLifecycles = lifecycles;
        this.lookup = null;
        this.registry = null;
    }