code: public ProjectCalendar getBaselineCalendar()
     {
        //
        // Attempt to locate the calendar normally used by baselines
        // If this isn't present, fall back to using the default
        // project calendar.
        //
        ProjectCalendar result = getCalendarByName("Used for Microsoft Project 98 Baseline Calendar");
        if (result == null)
        {
           result = getDefaultCalendar();
        }
        return result;
     }
docs: Retrieve the calendar used internally for timephased baseline calculation.
  
  @return baseline calendar