"x-amz-date",
	"date",
}

// parseAmzDateHeader - parses supported amz date headers, in
// supported amz date formats.
func parseAmzDateHeader(req *http.Request) (time.Time, APIErrorCode) {
	for _, amzDateHeader := range amzDateHeaders {
		amzDateStr := req.Header.Get(amzDateHeader)
		if amzDateStr != "" {
			t, err := amztime.Parse(amzDateStr)
			if err != nil {
				return time.Time{}, ErrMalformedDate
			}

			return http.ErrUseLastResponse
		}
		return nil
	}

	dexClient := http.Client{
		CheckRedirect: checkRedirect,
	}

	u, err := url.Parse(authCodeURL)
	if err != nil {
		return "", fmt.Errorf("url parse err: %v", err)
	}

	// Start the user auth flow. This page would present the login with
	// email or LDAP option.

  }

  /**
   * Parses a media type from its string representation.
   *
   * @throws IllegalArgumentException if the input is not parsable
   */
  @CanIgnoreReturnValue // TODO(b/219820829): consider removing
  public static MediaType parse(String input) {
    checkNotNull(input);
    Tokenizer tokenizer = new Tokenizer(input);
    try {

 * <p>
 * This class provides efficient encryption/decryption by pooling and reusing cipher instances,
 * reducing the overhead of repeated cipher initialization. It supports both string-based keys
 * and {@link Key} objects, with configurable algorithms and character encodings.
 * </p>
 * <p>
 * <strong>Key Features:</strong>
 * </p>
 * <ul>

/**
 * SPNEGO (Security Provider Negotiation Protocol) authenticator implementation.
 *
 * This class provides Single Sign-On (SSO) authentication using the SPNEGO protocol,
 * which is commonly used for Kerberos-based authentication in Windows environments.
 * It handles the negotiation between client and server to establish a secure
 * authentication context without requiring users to explicitly enter credentials.
 *

    return maxLength;
  }

  abstract void writeBytesToImpl(byte[] dest, int offset, int maxLength);

  /**
   * Returns a mutable view of the underlying bytes for the given {@code HashCode} if it is a
   * byte-based hashcode. Otherwise it returns {@link HashCode#asBytes}. Do <i>not</i> mutate this
   * array or else you will break the immutability contract of {@code HashCode}.
   */
  byte[] getBytesInternal() {
    return asBytes();
  }

    *   Minikube integration
*   [stable] [frakti](https://github.com/kubernetes/frakti): CRI implementation for hypervisor-based runtimes is now v1.9. [[@resouer](https://github.com/resouer)]
    *   Added ARM64 release. Upgraded to CNI 0.6.0, added block device as Pod volume mode. Fixed CNI plugin compatibility.
    *   Passed all CRI validation conformance tests and node end-to-end conformance tests.

    protected LdapUser createLdapUser(final String username, final Hashtable<String, String> env) {
        return new LdapUser(env, username);
    }

    /**
     * Retrieves roles for the specified LDAP user based on the provided filters.
     *
     * @param ldapUser the LDAP user to retrieve roles for
     * @param bindDn the bind DN for LDAP connection
     * @param accountFilter the account filter pattern

            return Math.max(bufferIndex, ncpos) - start;
        }

        return bufferIndex - start;
    }

    /**
     * Creates a negotiate context response based on the context type.
     *
     * @param type the negotiate context type
     * @return the appropriate negotiate context response, or null if not recognized
     */

        @Nonnull
        @Override
        public String[] option(Iterable<? extends Path> paths) {
            return format(moduleName, paths);
        }

        /**
         * {@return a hash code value based on the raw type and module name}.
         */
        @Override
        public int hashCode() {
            return rawType().hashCode() + 17 * moduleName.hashCode();
        }

        /**