import type { CSSProperties } from 'react';
import type { CalendarEraOption, DateSegmentLayoutPart } from '../date/dateLocale';
import type { DateCalendar, DateSegment, DateValue } from '../date/types';
type SegmentValues = Record<DateSegment, string>;
export type DateDraft = Readonly<{
    sourceKey: string;
    sourceValue: DateValue | null;
    eraId: string;
    values: SegmentValues;
    activeSegment: DateSegment;
    eraTypeahead: string;
}>;
export type DateDraftAction = Readonly<{
    type: 'replace';
    draft: DateDraft;
}> | Readonly<{
    type: 'set-active';
    segment: DateSegment;
}> | Readonly<{
    type: 'set-segment';
    segment: DateSegment;
    value: string;
}>;
export declare const TEMPLATE_VALUE = "2024-11-22";
export declare function draftReducer(state: DateDraft, action: DateDraftAction): DateDraft;
export declare function getSourceKey(value: DateValue | null, calendar: DateCalendar, locale: string): string;
export declare function createDraft(value: DateValue | null, calendar: DateCalendar, locale: string, layout: DateSegmentLayoutPart[], eraOptions: CalendarEraOption[]): DateDraft;
export declare function areValuesEqual(left: SegmentValues, right: SegmentValues): boolean;
export declare function getDraftValue(draft: DateDraft, locale: string, calendar: DateCalendar): DateValue | null | undefined;
export declare function getSegmentWidth(segment: DateSegment, value: string): CSSProperties;
export {};
//# sourceMappingURL=dateFieldState.d.ts.map