* on the deserialized instance.
   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.
   *
   * <p>If {@code delegate} is an instance created by an earlier call to {@code memoize}, it is
   * returned directly.
   */

// otherwise returns false.
func (config *TierConfigMgr) IsTierValid(tierName string) bool {
	config.RLock()
	defer config.RUnlock()
	_, valid := config.isTierNameInUse(tierName)
	return valid
}

// isTierNameInUse returns tier type and true if there exists a remote tier by
// name tierName, otherwise returns madmin.Unsupported and false. N B this

  /**
   * Configure the ApplicationContext. Not needed unless the AndroidX Startup [Initializer] is disabled, or running
   * a robolectric test.
   *
   * The functionality that will fail without a valid Context is primarily Cookies and URL Domain handling, but
   * may expand in the future.
   */
  fun initialize(applicationContext: Context) {
    if (PlatformRegistry.applicationContext == null) {

	acceptCh    chan acceptResult // channel where all TCP listeners write accepted connection.
	ctxDoneCh   <-chan struct{}
	ctxCanceler context.CancelFunc
}

// start - starts separate goroutine for each TCP listener.  A valid new connection is passed to httpListener.acceptCh.
func (listener *httpListener) start() {
	// Closure to handle listener until httpListener.ctxDoneCh channel is closed.
	handleListener := func(idx int, ln net.Listener) {
		for {

  }

  companion object {
    /** Arbitrary code point that's 2 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_2 = 0x1a5

    /** Arbitrary code point that's 3 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_3 = 0x2202

    /** Arbitrary code point that's 4 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_4 = 0x1d11e

    /**

		listener, errs := newHTTPListener(t.Context(),
			testCase.serverAddrs,
			TCPOptions{},
		)
		for _, err := range errs {
			if err != nil {
				if strings.Contains(err.Error(), "The requested address is not valid in its context") {
					// Ignore if IP is unbindable.
					continue nextTest
				}
				if strings.Contains(err.Error(), "bind: address already in use") {
					continue nextTest
				}

                                      int ndim) {
  bool valid = true;
  int64_t expected_stride = 1;
  for (int i = ndim - 1; i >= 0; --i) {
    // Empty tensors are always compact regardless of strides.
    if (shape_arr[i] == 0) return true;
    // Note that dimensions with size=1 can have any stride.
    if (shape_arr[i] != 1 && stride_arr[i] != expected_stride) {
      valid = false;
    }
    expected_stride *= shape_arr[i];

        // Test setting different max group depths
        authenticator.setMaxGroupDepth(5);
        authenticator.setMaxGroupDepth(20);
        authenticator.setMaxGroupDepth(1);

        // Verify method accepts valid values without exception
        assertTrue(true);
    }

    @Test
    public void test_setGroupCacheExpiry() {
        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();

    Iterable<String> invalidCases =
        Iterables.concat(INVALID_NAME, VALID_IP_ADDRS, INVALID_IP_ADDRS);

    for (String valid : validCases) {
      assertTrue(valid, InternetDomainName.isValid(valid));
    }

    for (String invalid : invalidCases) {
      assertFalse(invalid, InternetDomainName.isValid(invalid));
    }
  }

  public void testToString() {

                "path",
                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

obtendrás una versión en texto, con:

```
Validation errors:
Field: ('path', 'item_id'), Error: Input should be a valid integer, unable to parse string as an integer
```