def _GetNormalizedTimestamp(self):
    """Retrieves the normalized timestamp.

    Returns:
      decimal.Decimal: normalized timestamp, which contains the number of
          seconds since January 1, 1970 00:00:00 and a fraction of second used
          for increased precision, or None if the normalized timestamp cannot be
          determined.
    """
    if self._normalized_timestamp is None:
      if (self._timestamp is not None and self._timestamp >= 0 and
          self._timestamp <= self._UINT64_MAX):
        self._normalized_timestamp = (
            decimal.Decimal(self._timestamp) / self._100NS_PER_SECOND)
        self._normalized_timestamp -= self._FILETIME_TO_POSIX_BASE

    return self._normalized_timestamp
def _GetNormalizedTimestamp ( self ) : if self . _normalized_timestamp is None : if ( self . _timestamp is not None and self . _timestamp >= 0 and self . _timestamp <= self . _UINT64_MAX ) : self . _normalized_timestamp = ( decimal . Decimal ( self . _timestamp ) / self . _100NS_PER_SECOND ) self . _normalized_timestamp -= self . _FILETIME_TO_POSIX_BASE return self . _normalized_timestamp
Retrieves the normalized timestamp.

    Returns:
      decimal.Decimal: normalized timestamp, which contains the number of
          seconds since January 1, 1970 00:00:00 and a fraction of second used
          for increased precision, or None if the normalized timestamp cannot be
          determined.