docs: def _from_binary_secd_header(cls, binary_stream):
      """See base class."""
      ''' Revision number - 1
          Padding - 1
          Control flags - 2
          Reference to the owner SID - 4 (offset relative to the header)
          Reference to the group SID - 4 (offset relative to the header)
          Reference to the DACL - 4 (offset relative to the header)
          Reference to the SACL - 4 (offset relative to the header)
      '''
      nw_obj = cls(cls._REPR.unpack(binary_stream))
      nw_obj.control_flags = SecurityDescriptorFlags(nw_obj.control_flags)
  
      _MOD_LOGGER.debug("Attempted to unpack Security Descriptor Header from \"%s\"\nResult: %s", binary_stream.tobytes(), nw_obj)
  
      return nw_obj