def METHOD_NAME(self, timestamp, s=None):
    """
    Find all the (available) logs that are after the given time stamp.
    Override this function in class LogFileOutput.
    Parameters:
        timestamp(datetime.datetime): lines before this time are ignored.
        s(str or list): one or more strings to search for.
            If not supplied, all available lines are searched.
    Yields:
        (dict): the parsed data of lines with timestamps after this date in the
        same format they were supplied.
    """
    search_by_expression = self._valid_search(s)
    for line in self.lines:
        # If `s` is not None, keywords must be found in the line
        if s and not search_by_expression(line):
            continue
        info = self._parse_line(line)
        try:
            logtime = date.fromtimestamp(float(info.get('timestamp', 0)))
            if logtime > timestamp:
                yield info
        except:
            pass