return System.getProperty(key);
    }

    /**
     * Returns the system property value for the specified key, or the default value if not found.
     *
     * @param key the property key
     * @param defaultValue the default value
     * @return the property value, or the default value if not found
     */
    public static String getProperty(String key, String defaultValue) {

/**
 * A builder for constructing instances of {@link MutableValueGraph} or {@link ImmutableValueGraph}
 * with user-defined properties.
 *
 * <p>A {@code ValueGraph} built by this class has the following default properties:
 *
 * <ul>
 *   <li>does not allow self-loops
 *   <li>orders {@link ValueGraph#nodes()} in the order in which the elements were added (insertion
 *       order)
 * </ul>
 *

     * @return detected storage type
     */
    public static StorageType detectStorageType(final String endpoint) {
        if (StringUtil.isBlank(endpoint)) {
            // Default to S3 if no endpoint (uses AWS default)
            return StorageType.S3;
        }

        final String lowerEndpoint = endpoint.toLowerCase(Locale.ROOT);

        // GCS patterns

 * behavior of {@link #offer} which can lead to unexpected behavior. In this case, you should
 * override {@code offer} as well.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingDeque}.
 *
 * @author Kurt Alfred Kluever
 * @since 12.0

 * desired per the <a href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingExecutorService}.
 *
 * @author Kurt Alfred Kluever

    }

    /**
     * LSA Quality of Service information.
     */
    public static class LsarQosInfo extends NdrObject {

        /**
         * Default constructor for LsarQosInfo.
         */
        public LsarQosInfo() {
            // Default constructor
        }

        /** Length of the QoS information. */
        public int length;
        /** Security impersonation level. */

 *
 * <p>The parser supports configuration of default field, analyzer, wildcard settings,
 * and default operator. It also allows adding custom filters to modify query behavior.</p>
 *
 */
public class QueryParser {

    /**
     * Default constructor.
     */
    public QueryParser() {
        // Default constructor
    }

    /** The default field to search in when no field is specified in the query */

    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")
    void defaultConstructor_hasNullMessageAndCause_andTypeHierarchy() {
        // Arrange & Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException();

        // Assert - message and cause are null
        assertNull(ex.getMessage(), "Default constructor should have null message");

    /**
     * Default constructor.
     */
    protected NtlmAuthenticator() {
        // Protected constructor for abstract class
    }

    private static NtlmAuthenticator auth;

    private String url;
    private SmbAuthException sae;

    private void reset() {
        url = null;
        sae = null;
    }

    /**

            throw new IORuntimeException(ex);
        }
    }

    /**
     * Converts a byte array to an object using the default security filter.
     * <p>
     * This method applies a default ObjectInputFilter to prevent deserialization attacks.
     * Only classes matching the default allowed patterns can be deserialized.
     * </p>
     *
     * @param bytes the byte array (must not be {@literal null})