*/

    @Override
    @ParametricNullness
    K checkKey(@ParametricNullness K key) {
      return super.inverse.checkValue(key);
    }

    @Override
    @ParametricNullness
    V checkValue(@ParametricNullness V value) {
      return super.inverse.checkKey(value);
    }

    /**
     * @serialData the forward bimap
     */
    @GwtIncompatible

    this.keyTypeOrObjectUnderJ2cl = keyType;
  }

  // Overriding these 3 methods to show that values may be null (but not keys)

  @Override
  K checkKey(K key) {
    return checkNotNull(key);
  }

  @CanIgnoreReturnValue
  @Override
  @SuppressWarnings("RedundantOverride") // b/192446478: RedundantOverride ignores some annotations.

  }

  /** Returns the associated value type. */
  @GwtIncompatible
  public Class<V> valueType() {
    return valueTypeOrObjectUnderJ2cl;
  }

  @Override
  K checkKey(K key) {
    return checkNotNull(key);
  }

  @Override
  V checkValue(V value) {
    return checkNotNull(value);
  }

  /**

  }

  /** Returns the associated value type. */
  @GwtIncompatible
  public Class<V> valueType() {
    return valueTypeOrObjectUnderJ2cl;
  }

  @Override
  K checkKey(K key) {
    return checkNotNull(key);
  }

  @Override
  V checkValue(V value) {
    return checkNotNull(value);
  }

  /**

				iamLogIf(ctx, logErr)
			}
		}
	}
	return skipped, nil
}

// CheckKey validates the incoming accessKey
func (sys *IAMSys) CheckKey(ctx context.Context, accessKey string) (u UserIdentity, ok bool, err error) {
	if !sys.Initialized() {
		return u, false, nil
	}

	if accessKey == globalActiveCred.AccessKey {