import type { SchedulerDependencyType } from '@mui/x-scheduler-internals-premium/models';
import type { DependencyArrowObstacle, DependencyArrowPoint } from "./dependencyAnchorResolver.mjs";
/**
 * Radius used to soften the corners of the orthogonal route.
 */
export declare const DEPENDENCY_ARROW_CORNER_RADIUS = 4;
/**
 * Size of the arrowhead marker at the target edge.
 */
export declare const DEPENDENCY_ARROWHEAD_SIZE = 7;
/**
 * Builds the candidate orthogonal routes from the source anchor to the target anchor,
 * best first. Routes are computed in a canonical frame where the source exits to the
 * right: the types leaving from the start edge mirror their anchors around the events
 * area, route, and mirror back. That leaves two shapes, opposite edges (FS, mirrored
 * SF) and same edges (FF, mirrored SS).
 * `detourOffset` is how far from the source anchor a detour runs: it must clear the
 * event's edge, otherwise the route reads as a knot.
 * Routes stay inside `[0, eventsWidth]`: at a timeline edge the stubs ride over the
 * event instead of leaving the visible area.
 */
export declare function buildDependencyArrowRoutes(source: DependencyArrowPoint, target: DependencyArrowPoint, type: SchedulerDependencyType, detourOffset: number, eventsWidth: number): DependencyArrowPoint[][];
/**
 * Number of obstacles a route crosses. Each obstacle counts once, no matter how many
 * segments cross it.
 */
export declare function countRouteCollisions(points: readonly DependencyArrowPoint[], obstacles: readonly DependencyArrowObstacle[]): number;
/**
 * Builds an SVG path following the provided points with horizontal/vertical segments,
 * softening each corner with a quadratic curve. The radius is clamped so two corners
 * never overlap, and zero-length segments collapse their corner.
 */
export declare function buildRoundedOrthogonalPath(points: readonly DependencyArrowPoint[], radius: number): string;