import { IVisitor } from '../visitors/IVisitor';
import { Node } from './Node';
/**
 * Models a single extension property of a node in the data model.  For example, if the
 * Info node has a property called "x-vendor-zipcode" with a value of "90210", that would
 * result in an instance of this class with appropriate values for "name" and "value".
 * @author eric.wittmann@gmail.com
 * @class
 * @extends Node
 */
export declare class Extension extends Node {
    name: string;
    value: any;
    /**
     * @see io.apicurio.datamodels.core.models.Node#accept(io.apicurio.datamodels.core.visitors.IVisitor)
     * @param {*} visitor
     */
    accept(visitor: IVisitor): void;
    constructor();
}