byte[] buffer = createBasicNegotiateResponseBuffer();
        // Set SMB 3.1.1 dialect
        SMBUtil.writeInt2(0x0311, buffer, 4);
        // Set excessive negotiate context count (should be limited to 100)
        SMBUtil.writeInt2(1000, buffer, 6);
        // Set negotiate context offset to valid value
        SMBUtil.writeInt4(128, buffer, 60);

    }

    /**
     * Set the key rotation bytes limit
     *
     * @param limit number of bytes to encrypt before rotating keys
     */
    public void setKeyRotationBytesLimit(long limit) {
        this.keyRotationBytesLimit = limit;
    }

    /**
     * Set the key rotation time limit
     *
     * @param limit time in milliseconds before rotating keys
     */

 *
 * Performance optimizations:
 * - Uses ConcurrentLinkedQueue for O(1) operations
 * - Lock-free operations for better concurrency
 * - Proper buffer validation and limits
 */
public class BufferCache {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private BufferCache() {
        // Utility class - not instantiable
    }

            }
        }

        // Check pool size limits using atomic operation
        if (!nonPooled) {
            int currentSize = this.connections.size();
            if (currentSize >= maxPoolSize) {
                // Try to remove idle connections
                removeIdleConnections();

                // If still at limit, throw exception
                if (this.connections.size() >= maxPoolSize) {

     *
     * @return whether to ignore exceptions that occur during file copy
     */
    boolean isIgnoreCopyToException();

    /**
     * Gets the batch limit for a specific SMB command
     *
     * @param cmd the SMB command name
     * @return the batch limit for the given command
     */
    int getBatchLimit(String cmd);

    /**
     *

    @DisplayName("Should not reuse connection when session limit reached")
    void testSessionLimitPreventsReuse() throws Exception {
        // Given: Config with session limit of 1
        when(config.getSessionLimit()).thenReturn(1);

        // Create first connection
        SmbTransportImpl first = pool.getSmbTransport(ctx, address, 445, false);

        // Mock that session limit is reached

                encKey, decKey, sessionKey, preauthHash);

        // When - Set very low rotation limits to trigger rotation
        context.setKeyRotationBytesLimit(100); // Rotate after 100 bytes

        // Encrypt first message - should work
        byte[] plaintext1 = "Message before rotation".getBytes();

        return this.andx;
    }

    /**
     * Gets the batch limit for chained commands
     * @param cfg the configuration
     * @param cmd the command byte
     * @return the batch limit
     */
    protected int getBatchLimit(final Configuration cfg, final byte cmd) {
        /*
         * the default limit is 0 batched messages before this
         * one, meaning this message cannot be batched.

        double noneRatio = compressionService.estimateCompressionRatio(testData, CompressionService.COMPRESSION_NONE);
        assertEquals(1.0, noneRatio, 0.001);
    }

    @Test
    @DisplayName("Test configuration limits")
    public void testConfigurationLimits() {
        assertTrue(compressionService.getMinCompressionSize() > 0);
        assertTrue(compressionService.getMaxCompressionSize() > compressionService.getMinCompressionSize());

            return true;
        }
        return !this.disallowCompound.contains(command);
    }

    /**
     * Gets the batch limit for a specific command
     *
     * @param cmd the command to get the batch limit for
     * @return the batch limit for the command, or null if not set
     */
    protected Integer doGetBatchLimit(final String cmd) {
        return null;
    }

    /**