import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.login.credential.LoginCredential;

import com.microsoft.aad.msal4j.IAccount;
import com.microsoft.aad.msal4j.IAuthenticationResult;

/**
 * Microsoft Entra ID credential implementation for Fess authentication.
 * Provides login credential functionality using Entra ID authentication results.
 */

        Set<Object> serverPrivateCredentials = this.subject.getPrivateCredentials();
        for (Object credential : serverPrivateCredentials) {
            if (credential instanceof KerberosKey) {
                if (((KerberosKey) credential).getKeyType() == keyType) {
                    serverKey = (KerberosKey) credential;
                }
            }
        }

        return serverKey;
    }

    /**

    private static final int MINIMAL_BUFFER_SIZE = 32;

    private final byte[] credentialType;

    /**
     * Constructs a PAC credential type from raw data.
     * @param data the raw credential type data
     * @throws PACDecodingException if the credential type data is invalid
     */
    public PacCredentialType(final byte[] data) throws PACDecodingException {
        this.credentialType = data;

 */
package jcifs;

/**
 * Interface for opaque credential data
 *
 * @author mbechler
 *
 */
public interface Credentials {

    /**
     * Unwrap credentials to a specific type.
     *
     * @param <T> the credential type to unwrap to
     * @param type the class of the credential type to unwrap to
     * @return instance for type, null if the type cannot be unwrapped
     */

	testCases := []struct {
		form     http.Header
		expected APIErrorCode
	}{
		// (0) It should fail if 'X-Amz-Credential' is missing.
		{
			form:     http.Header{},
			expected: ErrCredMalformed,
		},
		// (1) It should fail if the access key is incorrect.
		{
			form: http.Header{
				"X-Amz-Credential": []string{fmt.Sprintf(credentialTemplate, "EXAMPLEINVALIDEXAMPL", now.Format(yyyymmdd), globalMinioDefaultRegion)},
			},

        public TestLoginCredentialResolver() {
            super(null); // Pass null since we're mocking
        }

        @Override
        public <CREDENTIAL extends LoginCredential> void resolve(final Class<CREDENTIAL> credentialType,
                final Function<CREDENTIAL, OptionalEntity<FessUser>> oneArgLambda) {
            this.resolveCalled = true;
            this.lastCredentialType = credentialType;

        };

        // Verify SSO is available
        assertTrue(ssoManager.available());

        // Verify login credential retrieval
        LoginCredential credential = ssoManager.getLoginCredential();
        assertNotNull(credential);
        assertEquals("samluser", ((TestLoginCredential) credential).username);

        // Verify response retrieval

	}
	return s.String()
}

// IsExpired - returns whether Credential is expired or not.
func (cred Credentials) IsExpired() bool {
	if cred.Expiration.IsZero() || cred.Expiration.Equal(timeSentinel) {
		return false
	}

	return cred.Expiration.Before(time.Now().UTC())
}

// IsTemp - returns whether credential is temporary or not.
func (cred Credentials) IsTemp() bool {

	}

	if conf.IsSPEnabled() {
		credential, err := azidentity.NewClientSecretCredential(conf.SPAuth.TenantID, conf.SPAuth.ClientID, conf.SPAuth.ClientSecret, &azidentity.ClientSecretCredentialOptions{})
		if err != nil {
			return nil, err
		}
		return azblob.NewClient(ep, credential, &azblob.ClientOptions{})
	}
	credential, err := azblob.NewSharedKeyCredential(conf.AccountName, conf.AccountKey)

        val credentialHeader = if (proxyAuthorization) "Proxy-Authorization" else "Authorization"
        val credential =
          Credentials.basic(
            auth.userName,
            String(auth.password),
            challenge.charset,
          )
        return request
          .newBuilder()
          .header(credentialHeader, credential)
          .build()
      }
    }

    return null // No challenges were satisfied!
  }