etcd back-end.

#### MINIO_DOMAIN

This is the top level domain name used for the federated setup. This domain name should ideally resolve to a load-balancer
running in front of all the federated MinIO instances. The domain name is used to create sub domain entries to etcd. For

 * To be implemented by test generators of things that can contain elements. Such things include
 * both {@link Collection} and {@link Map}; since there isn't an established collective noun that
 * encompasses both of these, 'container' is used.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public interface TestContainerGenerator<T, E extends @Nullable Object> {

     */
    Credentials getCredentials();

    /**
     * Retrieves the authentication scheme to be used for HTTP requests.
     *
     * @return the authentication scheme
     */
    /**
     * Retrieves the authentication scheme to be used for HTTP requests.
     *
     * @return the authentication scheme
     */
    AuthScheme getAuthScheme();

     * used by plugins.
     *
     * @return The project's class realm or {@code null}.
     */
    public ClassRealm getClassRealm() {
        return classRealm;
    }

    /**
     * Sets the artifact filter used to exclude shared extension artifacts from plugin realms. <strong>Warning:</strong>

- If storage class is not defined before starting MinIO server, and subsequent PutObject metadata field has `x-amz-storage-class` present
with values `REDUCED_REDUNDANCY` or `STANDARD`, MinIO server uses default parity values.

### Set metadata

	MetaMultipart = "X-Minio-Internal-Encrypted-Multipart"

	// MetaIV is the random initialization vector (IV) used for
	// the MinIO-internal key derivation.
	MetaIV = "X-Minio-Internal-Server-Side-Encryption-Iv"

	// MetaAlgorithm is the algorithm used to derive internal keys
	// and encrypt the objects.
	MetaAlgorithm = "X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm"

    }

    /** Logger for this class */
    private static final Logger logger = LogManager.getLogger(QueryHelper.class);

    /** Constant used to indicate that query-based preference should be used for search routing */
    protected static final String PREFERENCE_QUERY = "_query";

    /** Prefix used to identify sort parameters in search queries */
    protected String sortPrefix = "sort:";

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  @AndroidIncompatible
  public static final class ImmutableDoubleArrayAsListGenerator extends TestDoubleListGenerator {
    @Override
    protected List<Double> create(Double[] elements) {
      return makeArray(elements).asList();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  @AndroidIncompatible

    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close();

    /**
     * Returns the configuration object used by this SMB session.
     *
     * @return the configuration used by this session
     */
    Configuration getConfig();

    /**
     * Unwraps this session to the specified type, allowing access to implementation-specific functionality.
     *

        </field>
        <field xdoc.separator="blank">
          <name>properties</name>
          <version>4.0.0+</version>
          <description>
            Properties that can be used throughout the POM as a substitution, and
            are used as filters in resources if enabled.
            The format is {@code &lt;name>value&lt;/name>}.
          </description>
          <type>Properties</type>