System.arraycopy(fileId, 0, buffer, 8, 16);
            return buffer;
        }
    }

    @Nested
    @DisplayName("Oplock Level Constants Tests")
    class OplockLevelTests {

        @ParameterizedTest
        @DisplayName("Should handle standard oplock levels")
        @MethodSource("provideOplockLevels")
        void testStandardOplockLevels(byte oplockLevel, String description) throws Exception {

   * Returns the ancestor of the current domain at the given number of levels "higher" (rightward)
   * in the subdomain list. The number of levels must be non-negative, and less than {@code N-1},
   * where {@code N} is the number of parts in the domain.
   *
   * <p>TODO: Reasonable candidate for addition to public API.
   */
  private InternetDomainName ancestor(int levels) {

import jcifs.util.Hexdump;

/**
 * Trans2 QueryPathInformation request message for querying file metadata.
 * This class implements the TRANS2_QUERY_PATH_INFORMATION transaction to retrieve
 * various file information levels such as basic info, standard info, and attributes.
 */
public class Trans2QueryPathInformation extends SmbComTransaction {

    private final int informationLevel;

    /**

    }

    @Test
    void testReadDataWireFormat_UnsupportedInformationLevel() throws Exception {
        // Test with unsupported information level
        response = new Trans2QueryFSInformationResponse(config, 0x999); // Invalid level

        byte[] buffer = new byte[100];

        // Set dataCount using reflection
        setDataCount(response, 20);

     *
     * @return The message describing this problem, never {@code null}.
     */
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *
     * @return The severity level of this problem, never {@code null}.
     */
    Severity getSeverity();

 |
 |  1. User Level. This toolchains.xml file provides configuration for a single user,
 |                 and is normally provided in ${user.home}/.m2/toolchains.xml.
 |
 |                 NOTE: This location can be overridden with the CLI option:
 |
 |                 -t /path/to/user/toolchains.xml
 |
 |  2. Installation Level.

 * returning various file system information levels such as volume size and attributes.
 */
public class Trans2QueryFSInformationResponse extends SmbComTransactionResponse {

    private final int informationLevel;
    private FileSystemInformation info;

    /**
     * Constructs a Trans2QueryFSInformationResponse with the specified configuration and information level.
     *
     * @param config the SMB configuration

        /**
         * The information level to return.
         */
        public int level;
        /**
         * The share information.
         */
        public NdrObject info;

        /**
         * Constructs a ShareGetInfo request.
         * @param servername the server name
         * @param sharename the share name
         * @param level the information level

     *
     * @return The message describing this problem, never {@code null}.
     */
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *
     * @return The severity level of this problem, never {@code null}.
     */
    Severity getSeverity();

 *       <ul>
 *         <li>2 levels: average of 64ns per lock()/unlock()
 *         <li>3 levels: average of 77ns per lock()/unlock()
 *         <li>4 levels: average of 99ns per lock()/unlock()
 *         <li>5 levels: average of 103ns per lock()/unlock()
 *         <li>10 levels: average of 184ns per lock()/unlock()
 *         <li>20 levels: average of 393ns per lock()/unlock()
 *       </ul>
 * </ul>