public interface StarsGeneratedTurn
{
  // Could be streams
  public StarsGeneratedTurn(byte[] fileData); 

  // Represents the same byte[] array passed in.  This is the .M file
  public byte[] tokenize(); 

  // StarsYearData would be a POJO filled with all the information needed to view the yearly details
  public StarsYearData getYearData();
}

public interface StarsTurn
{
  // Creates a new turn definition from a generated turn
  public StarsTurn(StarsGeneratedTurn generatedTurn); // Creates a new turn definition from a generated turn

  // Opens up a previously tokenized turn.
  // I'm not sure if we actually need the generated turn here, but could be useful for validation rules
  public StarsTurn(StarsGeneratedTurn generatedTurn, byte[] tokenizedTurn); 

  // This will be the .X file representing the current state of the turn.
  public byte[] tokenize(); 

  // StarsTurnData is a simple POJO with a collection of turn information
  public StarsTurnData getTurnData();

  // The provided data would have edits, additions or deletions from the getTurnData().
  // Validation 
  public List<ValidationErrors> setTurnData(StarsTurnData turnData); 

  // Validates a turn and returns the results
  public List<ValidationErrors> validateTurn(StarsTurnData turnData);
}