import type { EdgeDefinition, EdgeParticleConfig } from '../types/index';
import { BezierPath } from '../geometry/Bezier';
import type { Node } from './Node';
declare const EDGE_DEFAULTS: {
    curvature: number;
    color: string;
    width: number;
    opacity: number;
    dashed: boolean;
    dashArray: string;
};
export declare class Edge {
    readonly id: string;
    readonly sourceId: string;
    readonly targetId: string;
    curvature: number;
    curvature2: number;
    controlPointOffset?: {
        x: number;
        y: number;
    };
    color: string;
    width: number;
    opacity: number;
    dashed: boolean;
    dashArray: string;
    particles: Required<EdgeParticleConfig>;
    /** Computed bezier path — rebuilt on node move */
    path: BezierPath;
    /** Raw definition reference */
    definition: EdgeDefinition;
    /** Interaction state */
    hovered: boolean;
    constructor(def: EdgeDefinition, configDefaults?: Partial<typeof EDGE_DEFAULTS & {
        particles?: Partial<EdgeParticleConfig>;
    }>);
    /**
     * Rebuild the bezier path using current node positions.
     * Edges connect to node shape boundaries — not centers.
     * Must be called after any node position change.
     */
    buildPath(sourceNode: Node, targetNode: Node): void;
    /**
     * Draw the edge line on canvas using its pre-computed SVG path string.
     * Particles and glow effects are rendered by Renderer separately.
     */
    renderLine(ctx: CanvasRenderingContext2D): void;
    update(def: EdgeDefinition, configDefaults?: Partial<typeof EDGE_DEFAULTS & {
        particles?: Partial<EdgeParticleConfig>;
    }>): void;
}
export {};
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