@interface TSCHChartGridValue : NSObject + (id)dateValueWithNSDate:(id)a0; + (id)durationValueWithDouble:(double)a0; + (id)numberValueWithDouble:(double)a0; + (id)NSDateFromGridValue:(id)a0; + (id)NSDateConvertedFromGridValue:(id)a0; + (id)dateValueWithDouble:(double)a0; + (id)instanceWithArchive:(const void *)a0; + (void)saveGridValue:(id)a0 toArchive:(void *)a1; - (id)initWithArchive:(const void *)a0; @end