import { Graph } from '../../Class/Graph';
import { GraphMergeSpec } from '../../types/GraphMergeSpec';
import { Moment } from './../Moment';
export interface GraphMergeMomentData {
    mergeId: string;
    mergeSpec: GraphMergeSpec;
    path: string[];
}
export interface GraphMergeMoment extends Moment<GraphMergeMomentData> {
}
export declare function watchGraphMergeEvent(event: 'add_merge' | 'remove_merge', graph: Graph, callback: (moment: GraphMergeMoment) => void): () => void;
