import { Graph } from '../../Class/Graph';
import { IO } from '../../types/IO';
import { Moment } from './../Moment';
export interface GraphMergePinMomentData {
    mergeId: string;
    unitId: string;
    type: IO;
    pinId: string;
    path: string[];
}
export interface GraphPinMergeMoment extends Moment<GraphMergePinMomentData> {
}
export declare function watchGraphPinMergeEvent(event: 'add_pin_to_merge' | 'remove_pin_from_merge', graph: Graph, callback: (moment: GraphPinMergeMoment) => void): () => void;
