code: public Date getBaselineEstimatedFinish(int baselineNumber)
     {
        Object result = getCachedValue(selectField(TaskFieldLists.BASELINE_ESTIMATED_FINISHES, baselineNumber));
        if (!(result instanceof Date))
        {
           result = null;
        }
        return (Date) result;
     }
docs: Retrieve a baseline value.
  
  @param baselineNumber baseline index (1-10)
  @return baseline value