import { ExtensibleNode } from '../ExtensibleNode';
import { IVisitor } from '../../visitors/IVisitor';
/**
 * Models an External Documentation node.
 * @author eric.wittmann@gmail.com
 * @class
 * @extends ExtensibleNode
 */
export declare abstract class ExternalDocumentation extends ExtensibleNode {
    description: string;
    url: string;
    /**
     * @see io.apicurio.datamodels.core.models.Node#accept(io.apicurio.datamodels.core.visitors.IVisitor)
     * @param {*} visitor
     */
    accept(visitor: IVisitor): void;
    constructor();
}