import { Dayjs } from 'dayjs';
import { RJSFSchema, UiSchema } from '@rjsf/utils';
import { SchemaSelections } from '../../components/SchemaSelectionContext';

type RangeOptions = {
    [key: string]: unknown;
    range?: unknown;
    showTime?: unknown;
    withTime?: unknown;
    allowEmpty?: unknown;
};
/** Explicit time ranges retain their separate, existing formatted-value contract. */
export declare function isCalendarRange(options: RangeOptions): boolean;
/** UTC mode is a calendar container only: never convert these values to/from local instants. */
export declare function parseCalendarDate(value: unknown): Dayjs | undefined;
export declare function parseCalendarInput(text: string, format: unknown): Dayjs | undefined;
export declare function calendarRangeError(value: unknown, options: RangeOptions, required: boolean): string | undefined;
/** Validate date constraints through the shared form/step route, including restored values. */
export declare function validateDateRangeValues(data: unknown, errors: unknown, schema: RJSFSchema | boolean, uiSchema?: UiSchema, rootSchema?: RJSFSchema, selections?: SchemaSelections, id?: string, idSeparator?: string, required?: boolean): void;
export {};