import * as Joi from 'joi';
import { OaValidationError } from '../oaValidationError';
/**
 * schema:DayOfWeek
 *
 * The day of the week, e.g. used to specify to which day the opening hours of an OpeningHoursSpecification refer.
 *
 *
 *
 * Originally, URLs from [GoodRelations](http://purl.org/goodrelations/v1) were used (for [[Monday]], [[Tuesday]], [[Wednesday]], [[Thursday]], [[Friday]], [[Saturday]], [[Sunday]] plus a special entry for [[PublicHolidays]]); these have now been integrated directly into schema.org.
 *
 *
 */
export declare type DayOfWeek = 'https://schema.org/PublicHolidays' | 'https://schema.org/Sunday' | 'https://schema.org/Monday' | 'https://schema.org/Thursday' | 'https://schema.org/Wednesday' | 'https://schema.org/Tuesday' | 'https://schema.org/Saturday' | 'https://schema.org/Friday';
/**
 * schema:DayOfWeek - Validation schema (w/ JOI)
 *
 * The day of the week, e.g. used to specify to which day the opening hours of an OpeningHoursSpecification refer.
 *
 *
 *
 * Originally, URLs from [GoodRelations](http://purl.org/goodrelations/v1) were used (for [[Monday]], [[Tuesday]], [[Wednesday]], [[Thursday]], [[Friday]], [[Saturday]], [[Sunday]] plus a special entry for [[PublicHolidays]]); these have now been integrated directly into schema.org.
 *
 *
 */
export declare const DayOfWeekJoiSchema: Joi.StringSchema;
/**
 * Runtime validator for schema:DayOfWeek.
 *
 * If some data has one of the values of the schema:DayOfWeek enum, it will be returned with the correct type.
 * Otherwise, this function returns an `OAValidationError` with details about why the data does not match.
 *
 * Use this to e.g. check a JSON object received in an HTTP request. Example usage (for an express request handler):
 *
 * ```ts
 * const maybeDayOfWeek = validateDayOfWeek(req.body); // `req.body` will have type `any` or `unknown`
 * if (maybeDayOfWeek instanceof OaValidationError) {
 *   // From this point on, `maybeDayOfWeek` will have type `OaValidationError`
 *   const error = maybeDayOfWeek;
 *   // Do something with the error. Maybe ignore it? Or log it? Or throw? Up to you.
 * }
 * // From this point on, `maybeDayOfWeek` will have type `DayOfWeek`
 * const dayOfWeek = maybeDayOfWeek;
 * ```
 */
export declare function validateDayOfWeek(maybeDayOfWeek: unknown): DayOfWeek | OaValidationError;