concept G22TickerFile {
  File file; // Which file is it
  
  // File attributes
  Timestamp created, modified;
  Long fileSize;
  
  S format; // Which format is it in
  Cl<S> markets; // Which coins/markets are included in the file?
  L<TimestampRange> timeRanges; // What are the ticker time ranges included
  Timestamp dateAnalyzed;
}