for len(b) > 0 {
		t, n := binary.Uvarint(b)
		if n < 0 {
			break
		}
		b = b[n:]

		typ := ChecksumType(t)
		length := typ.RawByteLen()
		if length == 0 || len(b) < length {
			break
		}
		cs := base64.StdEncoding.EncodeToString(b[:length])
		b = b[length:]
		if typ.Is(ChecksumMultipart) {
			t, n := binary.Uvarint(b)
			if n < 0 {
				break
			}
			cs = fmt.Sprintf("%s-%d", cs, t)

}

func evalSQLSubstring(s string, startIdx, length int) (res string, err error) {
	rs := []rune(s)

	// According to s3 document, if startIdx < 1, it is set to 1.
	if startIdx < 1 {
		startIdx = 1
	}

	if startIdx > len(rs) {
		startIdx = len(rs) + 1
	}

	// StartIdx is 1-based in the input
	startIdx--
	endIdx := len(rs)
	if length != -1 {
		if length < 0 {
			return "", errInvalidSubstringIndexLen

                            final String entryName = entry.getName();
                            if (entryName.endsWith("/") && entryName.startsWith(path) && entryName.length() > path.length() + 1) {
                                final String name = entryName.substring(path.length() + 1, entryName.length() - 1);
                                if (name.indexOf('/') == -1) {
                                    subPackages.add(name);

 * [characters]. Returns the input length if none of the requested characters can be found.
 */
private fun String.indexOfElement(
  characters: String,
  startIndex: Int = 0,
): Int {
  for (i in startIndex until length) {
    if (this[i] in characters) {
      return i
    }
  }
  return length

            if ( ( flags & NTLMSSP_NEGOTIATE_VERSION ) == 0 && suppliedDomainString != null && suppliedDomainString.length() != 0 ) {
                flags |= NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED;
                domain = suppliedDomainString.toUpperCase().getBytes(getOEMEncoding());
                size += domain.length;
            }
            else {
                flags &= ( NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED ^ 0xffffffff );

      assertThat(header.tag).isEqualTo(30)
      assertThat(header.constructed).isFalse()
      assertThat(header.length).isEqualTo(201)
    }

    assertThat(derReader.hasNext()).isFalse()
  }

  @Test fun `decode length encoded with leading zero byte`() {
    val buffer =
      Buffer()
        .writeByte(0b00000010)
        .writeByte(0b10000010)
        .writeByte(0b00000000)

     */
    void seek ( long pos );


    /**
     * Get the current file length
     * 
     * @return file length
     * @throws SmbException
     */
    long length () throws SmbException;


    /**
     * Expand/truncate file length
     * 
     * @param newLength
     *            new file length
     * @throws SmbException
     */

   *
   * ```
   * 0bxx0xxxxx Primitive
   * 0bxx1xxxxx Constructed
   * ```
   */
  var constructed: Boolean,
  /** Length of the message in bytes, or -1L if its length is unknown at the time of encoding. */
  var length: Long,
) {
  val isEndOfData: Boolean
    get() = tagClass == TAG_CLASS_UNIVERSAL && tag == TAG_END_OF_CONTENTS

     * @param offset
     *            The starting offset at which the SMB header begins.
     * @param length
     *            The length of the SMB data starting at offset.
     * @param request
     *            request message
     * @param response
     *            response message
     */
    void sign ( byte[] data, int offset, int length, CommonServerMessageBlock request, CommonServerMessageBlock response );


    /**

     *            wrapped string
     * @param zterm
     *            whether the string should be zero terminated
     */
    public UnicodeString ( rpc.unicode_string rus, boolean zterm ) {
        this.length = rus.length;
        this.maximum_length = rus.maximum_length;
        this.buffer = rus.buffer;
        this.zterm = zterm;
    }


    /**
     * 
     * @param str
     *            wrapped string