import { AbstractCommand } from '../AbstractCommand';
import { Document } from '../../core/models/Document';
/**
 * A command used to delete all servers from an aai20document.
 *
 * @author c.desc2@gmail.com
 * @extends AbstractCommand
 * @class
 */
export declare class DeleteAllServersCommand_Aai20 extends AbstractCommand {
    _oldServers: any;
    constructor();
    /**
     * @see io.apicurio.datamodels.cmd.ICommand#execute(Document)
     * @param {Document} document
     */
    execute(document: Document): void;
    /**
     * @see io.apicurio.datamodels.cmd.ICommand#undo(Document)
     * @param {Document} document
     */
    undo(document: Document): void;
}