import { BasicNode } from './BasicNode';
import type { ExternalDocumentationModel, ExternalDocumentationModelParent } from './types';
import type { CommonMarkString, Nullable, URLString } from '@fresha/api-tools-core';
/**
 * @see http://spec.openapis.org/oas/v3.0.3#external-documentation-object
 */
export declare class ExternalDocumentation extends BasicNode<ExternalDocumentationModelParent> implements ExternalDocumentationModel {
    #private;
    constructor(parent: ExternalDocumentationModelParent, url: URLString);
    get url(): URLString;
    set url(value: URLString);
    get description(): Nullable<CommonMarkString>;
    set description(value: Nullable<CommonMarkString>);
}
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