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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ParseRecord(self, parser_mediator, key, structure):
 """Parses a log record structure. Args: parser_mediator (ParserMediator):
 mediates interactions between parsers and other components, such as storage and dfvfs. key (str):
 name of the parsed structure. structure (pyparsing.ParseResults):
 structure parsed from the log file. """

    if key != 'logline':
      logger.warning(
          'Unable to parse record, unknown structure: {0:s}'.format(key))
      return

    try:
      timestamp = int(structure.timestamp)
    except ValueError:
      logger.debug('Invalid timestamp string {0:s}, skipping record'.format(
          structure.timestamp))
      return

    try:
      nickname, text = self._StripThenGetNicknameAndText(structure.text)
    except pyparsing.ParseException:
      logger.debug('Error parsing entry at offset {0:d}'.format(self._offset))
      return

    event_data = XChatScrollbackEventData()
    event_data.nickname = nickname
    event_data.offset = self._offset
    event_data.text = text

    date_time = dfdatetime_posix_time.PosixTime(timestamp=timestamp)
    event = time_events.DateTimeValuesEvent(
        date_time, definitions.TIME_DESCRIPTION_ADDED)
    parser_mediator.ProduceEventWithEventData(event, event_data)