import { Graph } from '../../Class/Graph';
import { GraphUnitSpec } from '../../types/GraphUnitSpec';
import { Moment } from './../Moment';
export interface GraphSpecComponentAppendMomentData {
    unitId: string;
    unitSpec: GraphUnitSpec;
    path: string[];
}
export interface GraphSpecComponentAppendMoment extends Moment<GraphSpecComponentAppendMomentData> {
}
export declare function watchGraphUnitComponentAppendEvent(event: 'component_append', graph: Graph, callback: (moment: GraphSpecComponentAppendMoment) => void): () => void;
