*
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

    return this;
  }

  @Override
  public T or(Supplier<? extends T> supplier) {
    checkNotNull(supplier);
    return reference;
  }

  @Override
  public T orNull() {
    return reference;
  }

  @Override
  public Set<T> asSet() {
    return Collections.singleton(reference);
  }

  @Override
  public <V> Optional<V> transform(Function<? super T, V> function) {
    return new Present<>(

        }
        return userGroups;
    }

    /**
     * Gets the OpenID Connect user.
     *
     * @return the OpenID Connect user
     */
    public OpenIdUser getUser() {
        return new OpenIdUser(getUserId(), getUserGroups(), getDefaultRolesAsArray());
    }

    /**
     * Gets the default groups as an array.
     *
     * @return the default groups
     */

    }

    /**
     * Returns the name of the argument.
     *
     * @return Name of the argument
     */
    public String getArgName() {
        return argName;
    }

    /**
     * Returns the message code.
     *
     * @return Message code
     */
    public String getMessageCode() {
        return messageCode;
    }

    /**
     * Returns the array of arguments.
     *

     *
     * @return The default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records.
     *
     * @return The total record count
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**

     * Can return {@code null}.
     *
     * @return InputLocation
     * @since 4.0.0
     */
    public InputLocation getImportedFrom() {
        return importedFrom;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

  private static Test testsForFilterAll() {
    return CollectionTestSuiteBuilder.using(
            new TestStringCollectionGenerator() {
              @Override
              public Collection<String> create(String[] elements) {
                List<String> unfiltered = new ArrayList<>();
                Collections.addAll(unfiltered, elements);
                return Collections2.filter(unfiltered, NOT_YYY_ZZZ);
              }