private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *
     * @param cfg the configuration to use for buffer cache settings
     */
    public BufferCacheImpl(final Configuration cfg) {
        this(cfg.getBufferCacheSize(), cfg.getMaximumBufferSize());
    }

    /**
     * Constructs a buffer cache with specified parameters.
     *

 * </pre>
 *
 * @see RuntimeException
 */
public class CurlException extends RuntimeException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new CurlException with the specified detail message and cause.
     *
     * @param message the detail message (which is saved for later retrieval by the {@link #getMessage()} method).

    private static final Charset UTF16LE = StandardCharsets.UTF_16LE;

    /**
     * Constructs an AvTargetName from raw byte data
     *
     * @param raw the raw byte data for the target name AV pair
     */
    public AvTargetName(final byte[] raw) {
        super(AvPair.MsvAvTargetName, raw);
    }

    /**
     * Constructs an AvTargetName with the specified target name
     *

        return message;
    }

    /** The SMB error status code */
    private int status;

    /**
     *
     /**
     * Constructs an SmbException with no detail message
     */
    public SmbException() {
    }

    /**
     * Constructs an SmbException with the specified error code and root cause
     *
     * @param errcode the SMB error code

          notices within Derivative Works that You distribute, alongside
          or as an addendum to the NOTICE text from the Work, provided
          that such additional attribution notices cannot be construed
          as modifying the License.

      You may add Your own copyright statement to Your modifications and
      may provide additional or different license terms and conditions

          notices within Derivative Works that You distribute, alongside
          or as an addendum to the NOTICE text from the Work, provided
          that such additional attribution notices cannot be construed
          as modifying the License.

      You may add Your own copyright statement to Your modifications and
      may provide additional or different license terms and conditions

        // Test constructor with null message
        SearchQueryException exception = new SearchQueryException((String) null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception instanceof FessSystemException);
    }

    public void test_constructorWithNullCause() {
        // Test constructor with null cause

        assertEquals(expectedStatus, ex.getNtStatus(), "status should map based on code");
        assertNull(ex.getCause(), "cause must be null for int constructor");
        assertNull(ex.getRootCause(), "rootCause must be null for int constructor");
    }

    /**
     * Validate message-only constructor with both null and empty messages.
     */
    @ParameterizedTest
    @MethodSource("messageProvider")

        /**
         * Constructs a new PathSource with the specified path.
         *
         * @param path the filesystem path to the source content
         * @throws NullPointerException if path is null
         */
        PathSource(Path path) {
            this(path, null);
        }

        /**
         * Constructs a new PathSource with the specified path and location.
         *

    private static final long serialVersionUID = -1219149033636851813L;

    /**
     * Constructs a new InterpolatorException with {@code null} as its
     * detail message. The cause is not initialized, and may subsequently be
     * initialized by a call to {@link #initCause}.
     */
    public InterpolatorException() {}

    /**
     * Constructs a new InterpolatorException with the specified detail message.