*
   * <p>In certain cases, such as outputting debugging information or constructing a message to be
   * used for another unchecked exception, an exception during string formatting would serve little
   * purpose except to supplant the real information you were trying to provide. These are the cases
   * this method is made for; it instead generates a best-effort string with all supplied argument

    }
  }

  // Compare by toString() to satisfy 2 properties:
  // 1. compareTo(null) should throw NullPointerException
  // 2. the order is deterministic and easy to understand, for debugging purpose.
  @SuppressWarnings("ComparableType")
  private static final class ByToString implements Comparable<Object>, Serializable {
    private static final ByToString INSTANCE = new ByToString();

    @Override

                }
              }));
    }

    /*
     * It's unlikely that any operations would fail by throwing an exception, but let's check them
     * just to be safe.
     *
     * The real purpose of this test is to produce a TSAN failure if MapIteratorCache is unsafe for
     * reads from multiple threads -- unsafe, in fact, even in the absence of a concurrent write.

  }

  @SuppressWarnings("rawtypes") // purpose is to test raw type
  public void testGetSupertype_fromRawClass() {
    assertEquals(
        Types.newParameterizedType(Iterable.class, List.class.getTypeParameters()[0]),
        new TypeToken<List>() {}.getSupertype(Iterable.class).getType());
  }

  @SuppressWarnings({"rawtypes", "unchecked"}) // purpose is to test raw type

    }
  }

  // Compare by toString() to satisfy 2 properties:
  // 1. compareTo(null) should throw NullPointerException
  // 2. the order is deterministic and easy to understand, for debugging purpose.
  @SuppressWarnings("ComparableType")
  private static final class ByToString implements Comparable<Object>, Serializable {
    private static final ByToString INSTANCE = new ByToString();

    @Override

   * to handle IPv6 addresses as well until the application is suitably fixed.
   *
   * <p>NOTE: an IPv6 address coerced to an IPv4 address can only be used for such purposes as
   * rudimentary identification or indexing into a collection of real {@link InetAddress}es. They
   * cannot be used as real addresses for the purposes of network communication.
   *

  }

  @SuppressWarnings("rawtypes") // purpose is to test raw type
  public void testGetSupertype_fromRawClass() {
    assertEquals(
        Types.newParameterizedType(Iterable.class, List.class.getTypeParameters()[0]),
        new TypeToken<List>() {}.getSupertype(Iterable.class).getType());
  }

  @SuppressWarnings({"rawtypes", "unchecked"}) // purpose is to test raw type

            return SingletonLaContainer.getComponent(SYSTEM_HELPER) != null;
        } catch (final Exception e) {
            // ignore
        }
        return false;
    }

    /**
     * For test purpose only.
     *
     * @param fessConfig fessConfig instance
     */
    public static void setFessConfig(final FessConfig fessConfig) {
        ComponentUtil.fessConfig = fessConfig;
        if (fessConfig == null) {

    // TODO(cpovirk): Consider using Object[] anyway.
    E[] array = (E[]) elements.toArray();
    /*
     * For a Set, we guess that it contains no duplicates. That's just a guess for purpose of
     * sizing; if the Set uses different equality semantics, it might contain duplicates according
     * to equals(), and we will deduplicate those properly, albeit at some cost in allocations.
     */

 * article on <a href="https://github.com/google/guava/wiki/ListenableFutureExplained">{@code
 * ListenableFuture}</a>.
 *
 * <p>The main purpose of {@code ListenableFuture} is to help you chain together a graph of
 * asynchronous operations. You can chain them together manually with calls to methods like {@link