import { isoly } from "isoly";
import { isly } from "isly";
export type Quarter = (typeof Quarter.values)[number];
export declare namespace Quarter {
    const values: readonly ["Q1", "Q2", "Q3", "Q4"];
    const type: isly.Type<"Q1" | "Q2" | "Q3" | "Q4">;
    function from(date: isoly.Date): Quarter;
    function now(): "Q1" | "Q2" | "Q3" | "Q4";
    function previous(quarter: Quarter): Quarter;
    namespace DateRange {
        const converter: Record<Quarter, {
            start: string;
            end: string;
        }>;
        function from(year: number | string, quarter: Quarter): isoly.DateRange | undefined;
        function now(): isoly.DateRange | undefined;
        function getPrevious(): isoly.DateRange | undefined;
    }
}