return new File(keyringsRoot, VERIFICATION_KEYRING_GPG);
    }

    public File getAsciiKeyringsFile() {
        return new File(keyringsRoot, VERIFICATION_KEYRING_ASCII);
    }

    public File getEffectiveKeyringsFile() {
        return effectiveKeyringsFile;
    }

    public PublicKeyService applyTo(PublicKeyService original) {
        if (keyService != null) {

        } else {
            keyService = EmptyPublicKeyService.getInstance();
        }
        keyService = keyrings.applyTo(keyService);
        File effectiveKeyringsFile = keyrings.getEffectiveKeyringsFile();
        HashCode keyringFileHash = observed(effectiveKeyringsFile).exists()
            ? fileHasher.hash(effectiveKeyringsFile)
            : NO_KEYRING_FILE_HASH;

        }
    }

    private List<PGPPublicKeyRing> loadExistingKeyRing(BuildTreeDefinedKeys keyrings) throws IOException {
        File effectiveFile = mayBeDryRunFile(keyrings.getEffectiveKeyringsFile());
        if (!effectiveFile.exists()) {
            return Collections.emptyList();
        }
        List<PGPPublicKeyRing> existingRings = SecuritySupport.loadKeyRingFile(effectiveFile);