// based on image name.
func (dk *providersDockerKeyring) Lookup(image string) ([]AuthConfig, bool) {
	keyring := &BasicDockerKeyring{}

	for _, p := range dk.Providers {
		keyring.Add(p.Provide(image))
	}

	return keyring.Lookup(image)
}

// FakeKeyring a fake config credentials
type FakeKeyring struct {
	auth []AuthConfig
	ok   bool
}

Vlad Chesnokov <******@****.***> 1711962993 +0400

        exportedKeyRing.exists()
        def keyrings = SecuritySupport.loadKeyRingFile(exportedKeyRing)
        keyrings.size() == 2
        keyrings.find { it.publicKey.keyID == SigningFixtures.validPublicKey.keyID }
        keyrings.find { it.publicKey.keyID == keyring.publicKey.keyID }

        and: "also generates an ascii armored keyring file"

        Fingerprint fingerprint = Fingerprint.wrap(bytes);
        PGPPublicKeyRing keyring = load().keyToKeyring.get(fingerprint);
        if (keyring != null) {
            builder.keyRing(keyring);
            Iterator<PGPPublicKey> pkIt = keyring.getPublicKeys();
            while (pkIt.hasNext()) {
                PGPPublicKey key = pkIt.next();

        }
    }

    /**
     * A response was sent from the server. This is a keyring, we need to find
     * within the keyring the matching key.
     */
    private void findMatchingKey(long id, PGPPublicKeyRing keyRing, PublicKeyResultBuilder builder) {
        for (PGPPublicKey publicKey : keyRing) {
            if (publicKey.getKeyID() == id) {
                builder.publicKey(publicKey);

        } else {
            throw new IllegalArgumentException("Unknown keyring format " + keyringFormat);
        }
    }

    private static Collection<PGPPublicKeyRing> uniqueKeyRings(Stream<PGPPublicKeyRing> keyRings) {
        SortedMap<Long, PGPPublicKeyRing> seenKeyIds = new TreeMap<>();
        keyRings.forEach(keyRing -> {
            Long keyId = keyRing.getPublicKey().getKeyID();

                            @Override
                            public void keyRing(PGPPublicKeyRing keyring) {
                                missing.set(false);
                                builder.keyRing(keyring);
                                Iterator<PGPPublicKey> pkIt = keyring.getPublicKeys();
                                while (pkIt.hasNext()) {

		},
	}

	for _, testcase := range testcases {
		t.Run(testcase.name, func(t *testing.T) {
			keyring, err := MakeDockerKeyring(testcase.pullSecrets, testcase.defaultKeyring)
			if err != nil {
				t.Fatalf("error creating secret-based docker keyring: %v", err)
			}

			authConfigs, found := keyring.Lookup(testcase.image)
			if found != testcase.found {
				t.Logf("actual lookup status: %v", found)

    @Nullable
    private PGPSecretKey findSecretKey(PGPSecretKeyRingCollection keyRings, PgpKeyId keyId) {
        Iterator<PGPSecretKeyRing> keyRingIterator = uncheckedCast(keyRings.getKeyRings());
        while (keyRingIterator.hasNext()) {
            PGPSecretKeyRing keyRing = keyRingIterator.next();
            Iterator<PGPSecretKey> secretKeyIterator = uncheckedCast(keyRing.getSecretKeys());
            while (secretKeyIterator.hasNext()) {

     "email": %q,
     "auth": %q
   }
}`, test.globURL, email, auth)

		keyring := &BasicDockerKeyring{}
		if cfg, err := ReadDockerConfigFileFromBytes([]byte(sampleDockerConfig)); err != nil {
			t.Errorf("Error processing json blob %q, %v", sampleDockerConfig, err)
		} else {
			keyring.Add(cfg)
		}

		creds, ok := keyring.Lookup(test.targetURL + "/foo/bar")
		if !ok {