@class PGGraphWeekdayNodeCollection; @interface PGGraphWeekdayNode : PGGraphPartOfWeekNode @property (readonly, nonatomic) PGGraphWeekdayNodeCollection *collection; + (id)filter; - (id)init; - (id)label; - (id)initWithLabel:(id)a0 domain:(unsigned short)a1 properties:(id)a2; @end