String encryptionKeyAsBase64

    def setup() {
        keyStoreDir = new TestFile(testDirectory, 'keystores')
        encryptionKeyText = "01234567890123456789012345678901"
        encryptionKeyAsBase64 = Base64.encoder.encodeToString(encryptionKeyText.getBytes(StandardCharsets.UTF_8))
    }

    def "configuration cache can be loaded without errors from #source using #encryptionTransformation"() {
        given:

    }

    /**
     * Base64 encode user info for HTTP Basic Authentication.
     *
     * Try to use {@literal java.util.Base64} encoder which is available starting with Java 8.
     * Fallback to {@literal javax.xml.bind.DatatypeConverter} from JAXB which is available starting with Java 6 but is not anymore in Java 9.

    protected final Client client;
    protected final String arraySettingsIndexName;
    protected final String settingsId;
    protected final SuggestSettings settings;

    private static final Base64.Encoder encoder = Base64.getEncoder();

    protected ArraySettings(final SuggestSettings settings, final Client client, final String settingsIndexName, final String settingsId) {
        this.settings = settings;

import org.opensearch.search.SearchHit;

public final class SuggestUtil {
    private static final int MAX_QUERY_TERM_NUM = 5;
    private static final int MAX_QUERY_TERM_LENGTH = 48;

    private static final Base64.Encoder encoder = Base64.getEncoder();

    private static final int ID_MAX_LENGTH = 445;

    private SuggestUtil() {
    }

    public static String createSuggestTextId(final String text) {