import { AbstractCommand } from '../AbstractCommand';
import { Document } from '../../core/models/Document';
/**
 * A command used to add a new channelItem in a document. Source for the new
 * channelItem must be provided.  This source will be converted to an AAI
 * channelItem object and then added to the data model.
 * @author laurent.broudoux@gmail.com
 * @extends AbstractCommand
 * @class
 */
export declare class AddChannelItemCommand extends AbstractCommand {
    _channelItemExists: boolean;
    _emptyChannelItems: boolean;
    _newChannelItemName: string;
    _newChannelItemObj: any;
    constructor(channelItemName?: any, from?: any);
    /**
     *
     * @param {Document} document
     */
    execute(document: Document): void;
    /**
     *
     * @param {Document} document
     */
    undo(document: Document): void;
}