@classmethod
def GetSourceStrings(cls, event, event_data):
    """Retrieves the formatted source strings for a specific event.

    Args:
      event (EventObject): event.
      event_data (EventData): event data.

    Returns:
      list[str, str]: short and long version of the source of the event.
    """
    formatter_object = cls.GetFormatterObject(event_data.data_type)
    return formatter_object.GetSources(event, event_data)
