import dayjs from 'dayjs';
export declare const RETAIL_MONTH_NAMES: readonly ["February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December", "January"];
export declare function getRetailYearStart(year: number, weekStartsOn?: number): dayjs.Dayjs;
export declare function getRetailYear(date: dayjs.Dayjs, weekStartsOn?: number): number;
interface RetailMonth {
    from: dayjs.Dayjs;
    monthIndex: number;
    to: dayjs.Dayjs;
}
export declare function getRetailMonths(retailYear: number, weekStartsOn?: number): RetailMonth[];
export declare function getRetailMonthIndex(date: dayjs.Dayjs, weekStartsOn?: number): number;
export declare function getRetailQuarterIndex(date: dayjs.Dayjs, weekStartsOn?: number): number;
export declare function getRetailWeekNumber(date: dayjs.Dayjs, weekStartsOn?: number): number;
export declare function getCurrentRetailMonth(weekStartsOn?: number): {
    from: Date;
    to: Date;
};
export declare function getPreviousRetailMonth(weekStartsOn?: number): {
    from: Date;
    to: Date;
};
export declare function getCurrentRetailQuarter(weekStartsOn?: number): {
    from: Date;
    to: Date;
};
export declare function getPreviousRetailQuarter(weekStartsOn?: number): {
    from: Date;
    to: Date;
};
export declare function getCurrentRetailYear(weekStartsOn?: number): {
    from: Date;
    to: Date;
};
export declare function getPreviousRetailYear(weekStartsOn?: number): {
    from: Date;
    to: Date;
};
export {};