import { GenericObject, IEdgeGroupStyle, LkEdgeData, LkNodeData } from '@linkurious/rest-client';
import type { StyleRule, Transformation } from '@linkurious/ogma';
import { LKOgma } from '../index';
export declare class TransformationsViz {
    private _ogma;
    groupedEdges: GenericObject<boolean>;
    edgeGroupStyle: IEdgeGroupStyle;
    transformation: Transformation<LkNodeData, LkEdgeData>;
    edgeGroupingStyleRule: StyleRule<LkNodeData, LkEdgeData>;
    constructor(ogma: LKOgma);
    /**
     * create an edge grouping transformation by edge type
     */
    initTransformation(): Promise<void>;
    /**
     * init edge grouping style
     */
    initEdgeGroupingStyle(): void;
    refreshEdgeGroupingStyle(): void;
}