## Implementation Phases

### Phase 1: SMB3 Lease Implementation (Foundation)
**Priority: HIGH** | **Estimated Effort: 3-4 weeks**

SMB3 leases replace the traditional oplock mechanism and are foundational for other features.

#### 1.1 Core Lease Infrastructure
```
Package: jcifs.internal.smb2.lease
├── Smb2LeaseBreak.java          - Lease break notification handling

     *    <p>
     *    Transforms context based on 512 bits from input block starting
     *    from the offset'th byte.
     *
     *    @param    block    input sub-array.
     *    @param    offset    starting position of sub-array.
     */
    private void transform(final byte[] block, int offset) {

        // encodes 64 bytes from input block into an array of 16 32-bit
        // entities. Use A as a temp var.

  float: none;
}

.daterangepicker.single .drp-selected {
  display: none;
}

.daterangepicker.show-calendar .drp-calendar {
  display: block;
}

.daterangepicker.show-calendar .drp-buttons {
  display: block;
}

.daterangepicker.auto-apply .drp-buttons {
  display: none;
}

.daterangepicker .drp-calendar {
  display: none;
  max-width: 270px;
}

    }

    /// Encrypt a block of bytes.
    /**
     * Encrypts an 8-byte block using DES
     * @param clearText the 8-byte plaintext block
     * @param cipherText the output 8-byte ciphertext block
     */
    public void encrypt(final byte[] clearText, final byte[] cipherText) {
        encrypt(clearText, 0, cipherText, 0);
    }

    /// Decrypt a block of bytes.
    /**

    }

    @Test
    public void testBlacklist() throws Exception {
        validator.addToBlacklist("\\share\\forbidden");

        // Should block blacklisted path
        try {
            validator.validatePath("\\share\\forbidden\\file.txt");
            fail("Should block blacklisted path");
        } catch (SmbException e) {
            assertTrue(e.getMessage().contains("not allowed"));
        }

						<div class="d-sm-none"></div>
						<span class="d-none d-sm-inline-block">&nbsp;</span>
						<la:message key="labels.search_result_size"
							arg0="${fe:formatFileSize(doc.content_length)}" />
					</c:if>
					<c:if test="${searchLogSupport && doc.click_count!=null && doc.click_count>0}">
						<div class="d-sm-none"></div>
						<span class="d-none d-sm-inline-block">&nbsp;</span>
						<la:message key="labels.search_click_views"

     * } finally {
     *   close(is);
     * }
     * </pre>
     * <p>
     * If an exception occurs in the try block, there is a possibility that an exception will also occur in the finally block's {@link #close(Closeable)}. If the exception is thrown from the finally block, the original exception from the try block will be lost.
     * </p>
     *
     * @param closeable the closeable object
     * @see Closeable#close()
     */

        // Disallow: /*.pdf$ - should block .pdf files but not .pdf with query params
        assertFalse(robotsTxt.allows("/document.pdf", "WildcardBot"));
        assertFalse(robotsTxt.allows("/files/report.pdf", "WildcardBot"));
        assertTrue(robotsTxt.allows("/document.pdf?download=true", "WildcardBot")); // $ means exact end

        // Disallow: /admin/*.php - should block PHP files in admin directory

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB2 Oplock Break notification message. This server-initiated message notifies the client
 * that an opportunistic lock must be broken due to conflicting access from another client.
 *
 * @author mbechler
 *
 */

        }
    }

    /**
     * Constructs an AndX message block with configuration and command
     * @param config the configuration
     * @param command the SMB command
     */
    protected AndXServerMessageBlock(final Configuration config, final byte command) {
        this(config, command, null);
    }

    /**
     * Constructs an AndX message block with command and chained command
     * @param config the configuration