import { BaseNodeModel, LinkModel, DiagramModel } from './model';
export declare enum ModelChangeEventType {
    Add = "Add",
    Remove = "Remove",
    Group = "Group"
}
export interface ModelChangeEvent<N extends BaseNodeModel, L extends LinkModel> {
    eventType: ModelChangeEventType;
    nodeData?: N;
    linkData?: L;
    model: DiagramModel<N, L>;
}