export type Range = [T, T]; export type ClassName = string | null | undefined | (string | null | undefined)[]; export type CloseReason = 'buttonClick' | 'escape' | 'outsideAction' | 'select'; export type Detail = 'century' | 'decade' | 'year' | 'month'; export type LooseValuePiece = string | Date | null; export type LooseValue = LooseValuePiece | Range; export type OpenReason = 'buttonClick' | 'focus'; export type RangeType = 'century' | 'decade' | 'year' | 'month' | 'day'; type ValuePiece = Date | null; export type Value = ValuePiece | Range;