import * as v from "@exodus/schemasafe";
export declare type IDateString = string;
export declare const DateStringSchema: Readonly<{
    readonly $schema: "https://json-schema.org/draft/2020-12/schema";
    readonly $id: "date_string";
    readonly title: "DateString";
    readonly type: "string";
    readonly format: "date-time";
    readonly examples: readonly ["2021-11-12T01:59:23.718Z"];
}>;
export declare function validateDateString(value: unknown, options?: v.ValidatorOptions): v.ParseResult;
export declare function assertDateString(value: unknown): asserts value is IDateString;