import Command from '../Command';
import CommandContext from '../CommandContext';
import RelationshipModel from '../model/RelationshipModel';
declare class AddRelationshipCommand extends Command {
    private _model;
    /**
     * @classdesc This command class handles do/undo of adding a relationship to a topic.
     */
    constructor(model: RelationshipModel);
    execute(commandContext: CommandContext): void;
    undoExecute(commandContext: CommandContext): void;
}
export default AddRelationshipCommand;
