import { RoutingGrid } from "../contracts/routing_grid.js";
import type { IWaypointPlan, RouteEndpoint, RouteEndpointWithGrid } from "./types.js";
/**
 * Utility function to convert a RouteEndpoint to RouteEndpointWithGrid.
 */
export declare function enrichEndpointWithGrid(endpoint: RouteEndpoint, grid: RoutingGrid): RouteEndpointWithGrid;
export interface WaypointPlannerConstants {
    MAX_THROUGH_HOLE_PROXIMITY: number;
    MIN_WAYPOINT_SEPARATION: number;
    VERY_CLOSE_THRESHOLD: number;
    WAYPOINT_ROUTING_OVERHEAD: number;
}
export interface WaypointPlannerConfig {
    grid: RoutingGrid;
    preferredLayer?: string;
    freeViaLocations?: {
        x: number;
        y: number;
    }[];
    constants: WaypointPlannerConstants;
    viaCost: number;
}
export declare class WaypointPlanner {
    private grid;
    private preferredLayer?;
    private throughHoles;
    private constants;
    private viaCost;
    constructor(config: WaypointPlannerConfig);
    estimateEdgeCost(p1: RouteEndpoint, p2: RouteEndpoint): number;
    planWaypoints(p1: RouteEndpoint, p2: RouteEndpoint, _allPoints: RouteEndpoint[], _routedPoints: Set<number>): IWaypointPlan;
    private isThroughHole;
    private isPointThroughHole;
    private findNearestPair;
}
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