n = url.lastIndexOf('.');
            if (n > 0 && (type = url.substring(n + 1)) != null && type.length() > 1 && type.length() < 6) {
                resp.setContentType(mimeMap.getMimeType(type));
            }
            resp.setHeader("Content-Length", file.length() + "");
            resp.setHeader("Accept-Ranges", "Bytes");

            while ((n = in.read(buf)) != -1) {

   * [reader]. For example, if the reader's peeked tag isn't readable by this adapter, it may return
   * a default value.
   *
   * If this does read a value, it starts with the tag and length, and reads an entire value,
   * including any potential composed values.
   *
   * If there's nothing to read and no default value, this will throw an exception.
   */
  fun fromDer(reader: DerReader): T

  var constructed: Boolean = false,
  var length: Long = -1L,
  val bytes: ByteString,
) {
  // Avoid Long.hashCode(long) which isn't available on Android 5.
  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + tagClass
    result = 31 * result + tag.toInt()
    result = 31 * result + (if (constructed) 0 else 1)
    result = 31 * result + length.toInt()
    result = 31 * result + bytes.hashCode()

```java
// In SmbFile.java
public void optimizedLargeRead(byte[] buffer, long offset, int length) throws IOException {
    if (!session.isMultiChannelEnabled() || length < 1048576) {  // 1MB threshold
        // Use single channel for small reads
        normalRead(buffer, offset, length);
        return;
    }
    
    // Split large read across multiple channels

        super(NAME);
        if (fileId.length != 16) {
            throw new IllegalArgumentException("File ID must be 16 bytes");
        }
        this.fileId = Arrays.copyOf(fileId, 16);
    }
    
    @Override
    public void encode(byte[] buffer, int offset) {
        // Context header
        int nameLen = getName().length();
        writeInt4(buffer, offset, 16);  // Next

    protected String[] parsePath(final String path) {
        if (StringUtil.isNotEmpty(path)) {
            final String[] values = path.split("/", 2);
            if (values.length == 2) {
                return values;
            }
            if (values.length == 1 && StringUtil.isNotEmpty(values[0])) {
                return new String[] { values[0], StringUtil.EMPTY };
            }
        }

    if (contentLength > Int.MAX_VALUE) {
      throw IOException("Cannot buffer entire body for content length: $contentLength")
    }

    val bytes = source().use(consumer)
    val size = sizeMapper(bytes)
    if (contentLength != -1L && contentLength != size.toLong()) {
      throw IOException("Content-Length ($contentLength) and stream length ($size) disagree")
    }
    return bytes
  }

  /**

        if (args == null) {
            return paramTypes.length == 0;
        }
        if (paramTypes.length != args.length) {
            return false;
        }
        for (int i = 0; i < args.length; ++i) {
            if (args[i] == null) {
                continue;
            }

     *
     * @return the last modified time in milliseconds since epoch
     */
    long lastModified();

    /**
     * Gets the file size.
     *
     * @return the file size in bytes
     */
    long length();

    /**
     * Tests the total number of enum constants.
     */
    @Test
    void testNumberOfEnumConstants() {
        // Ensure there are exactly 4 resolver types
        assertEquals(4, ResolverType.values().length, "There should be exactly 4 resolver types.");
    }

    /**
     * Tests the names of the enum constants.
     */
    @Test
    void testEnumNames() {