import type { PossibleDate } from "../util/date.js";
import type { Nullish } from "../util/null.js";
import type { SchemaOptions } from "./Schema.js";
import { Schema } from "./Schema.js";
/** `type=""` prop for HTML `<input />` tags that are relevant for dates. */
export type DateInputType = "time" | "date" | "datetime-local";
/** Allowed options for `DateSchema` */
export interface DateSchemaOptions extends SchemaOptions {
    readonly value?: PossibleDate | undefined;
    readonly min?: Nullish<PossibleDate>;
    readonly max?: Nullish<PossibleDate>;
    readonly input?: DateInputType | undefined;
    /**
     * Rounding step (in milliseconds, because that's the base unit for time).
     * - E.g. `1000 * 60` will round to the nearest minute.
     * - Note: HTML `<input>` `step` attributes are in _seconds_, so you may need to convert units.
     */
    readonly step?: number | undefined;
}
export declare class DateSchema extends Schema<string> {
    readonly value: PossibleDate | undefined;
    readonly min: Date | undefined;
    readonly max: Date | undefined;
    readonly input: DateInputType;
    readonly step: number | undefined;
    constructor({ one, min, max, value, input, step, ...options }: DateSchemaOptions);
    validate(value?: unknown): string;
    stringify(value: Date): string;
    format(value: string): string;
}
/** Valid date, e.g. `2005-09-12` (required because falsy values are invalid). */
export declare const DATE: DateSchema;
/** Valid date, e.g. `2005-09-12`, or `null` */
export declare const NULLABLE_DATE: import("./NullableSchema.js").NullableSchema<string>;