import { EdgeData, NodeData, NodePosition } from "./api";
/**
 * facade between inner classes (graph, visualizer, sidebar) and element. May be removed in the future.
 */
export interface VisualizerAPI {
    /**
     * Contract: producer may not make changes to the result, but should provide a new ReadonlyMap object
     */
    getNodes(): ReadonlyMap<string, NodeData>;
    /**
     * Contract: producer may not make changes to the result, but should provide a new ReadonlyArray object
     */
    getEdges(): ReadonlyArray<EdgeData>;
    /**
     * Contract: producer may not make changes to the result, but should provide a new ReadonlyArray object
     */
    getNodePositions(): ReadonlyArray<NodePosition>;
    /**
     * Returns a space-separated string containing keys from edges to highlight
     */
    getEdgesToHighlight?(): string | undefined;
    /**
     * Returns a space-separated string containing keys from nodes to highlight
     */
    getNodesToHighlight?(): string | undefined;
    updateVisualizationEntry(entry: NodePosition): void;
    removeVisualizationEntry(entryKey: string): void;
    clearVisualizationEntries(): void;
    onNavigate?(nodeKey: string): void;
    onSelectionChange?(nodeKey: string | undefined): void;
}