import type { Node } from '../entities/Node';
import type { Edge } from '../entities/Edge';
import type { FlowConfig } from '../types/index';
export declare class InteractionSystem {
    private canvas;
    private nodes;
    private edges;
    private config;
    private hoveredNodeId;
    private hoveredEdgeId;
    /** Called by FlowEngine when flow mode is 'hover' to report active edge set */
    onHoverActiveEdges?: (edgeIds: Set<string>) => void;
    private boundMouseMove;
    private boundClick;
    private boundMouseLeave;
    private boundTouchStart;
    constructor(canvas: HTMLCanvasElement);
    setNodes(nodes: Map<string, Node>): void;
    setEdges(edges: Map<string, Edge>): void;
    setConfig(config: FlowConfig): void;
    get hoveredNode(): string | null;
    get hoveredEdge(): string | null;
    private attachListeners;
    destroy(): void;
    private getLogicalPoint;
    private handleMouseMove;
    private handleClick;
    private handleMouseLeave;
    private handleTouchStart;
    private hitTestNodes;
    private hitTestEdges;
    private emitHoverEdges;
}
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