import * as Joi from 'joi';
import { OaValidationError } from '../oaValidationError';
import * as oa from '../oa';
/**
 * ConceptScheme
 *
 * This type is derived from http://www.w3.org/2004/02/skos/core#ConceptScheme.
 */
export declare type ConceptScheme = {
    '@type': 'ConceptScheme';
    '@context'?: string | string[];
    /**
     * The title of the scheme
     *
     * ```json
     * "title": "Activity List"
     * ```
     */
    title?: string;
    /**
     * A plain text description of the taxonomy, which must not include HTML or other markup.
     *
     * ```json
     * "description": "An example activity list."
     * ```
     */
    description?: string;
    /**
     * A unique url based identifier for the record
     *
     * ```json
     * "@id": "https://example.com/scheme/12345"
     * ```
     */
    '@id'?: string;
    /**
     * A collection of concepts that are part of this scheme
     *
     * ```json
     * "concept": [
     *   {
     *     "@id": "https://example.com/concept/martial-arts",
     *     "type": "Concept",
     *     "prefLabel": "Martial Arts",
     *     "inScheme": "https://example.com/scheme/123",
     *     "narrower": "https://example.com/concept/martial-arts/karate"
     *   }
     * ]
     * ```
     */
    concept?: oa.ConceptOrSubClass[];
    /**
     * Reference to the license under which the activity list has been published.
     *
     * ```json
     * "license": "https://example.com/license/MIT"
     * ```
     */
    license?: string;
    /**
     * A URL to a web page (or section of a page) that describes the concept scheme.
     *
     * ```json
     * "url": "https://example.com/scheme/1234"
     * ```
     */
    url?: string;
};
/**
 * ConceptScheme
 *
 * This type is derived from http://www.w3.org/2004/02/skos/core#ConceptScheme.
 *
 * This differs from ConceptScheme because it also allows for objects that have the type of a model that
 * sub-classes this model. e.g. `Event_OrSubClass` allows `Event`s as well as `ScheduledSession`s, `SessionSeries`,
 * etc.
 */
export declare type ConceptSchemeOrSubClass = ConceptScheme;
/**
 * ConceptScheme - Validation schema (w/ JOI)
 *
 * This type is derived from http://www.w3.org/2004/02/skos/core#ConceptScheme.
 */
export declare const ConceptSchemeJoiSchema: Joi.ObjectSchema;
/**
 * ConceptScheme - Validation schema (w/ JOI)
 *
 * This type is derived from http://www.w3.org/2004/02/skos/core#ConceptScheme.
 *
 * This differs from ConceptSchemeJoiSchema because it also allows for objects that have the type of a model that
 * sub-classes this model. e.g. `Event.OrSubClassJoiSchema` allows `Event`s as well as `ScheduledSession`s,
 * `SessionSeries`, etc.
 */
export declare const ConceptSchemeOrSubClassJoiSchema: Joi.AlternativesSchema;
/**
 * Runtime validator for ConceptScheme.
 *
 * If some data has a structure which matches a ConceptScheme, 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 maybeConceptScheme = validateConceptScheme(req.body); // `req.body` will have type `any` or `unknown`
 * if (maybeConceptScheme instanceof OaValidationError) {
 *   // From this point on, `maybeConceptScheme` will have type `OaValidationError`
 *   const error = maybeConceptScheme;
 *   // Do something with the error. Maybe ignore it? Or log it? Or throw? Up to you.
 * }
 * // From this point on, `maybeConceptScheme` will have type `ConceptScheme`
 * const conceptScheme = maybeConceptScheme;
 * ```
 */
export declare function validateConceptScheme(maybeConceptScheme: unknown): ConceptScheme | OaValidationError;