import type { SchedulerEventSide } from '@mui/x-scheduler-internals/models';
import type { SchedulerDependency, SchedulerDependencyId } from '@mui/x-scheduler-internals-premium/models';
import type { DependencyAnchorResolver, DependencyArrowPoint } from "./dependencyAnchorResolver.mjs";
export interface DependencyArrow {
  /**
   * Unique key of the arrow: a dependency renders one arrow per pair of row
   * appearances of its events.
   */
  key: string;
  id: SchedulerDependencyId;
  /**
   * The SVG path of the arrow, in absolute row-space pixels (y = 0 is the top of the
   * first row), so it does not depend on the scroll position.
   * Built on first read and cached, like `hitD`: a row re-measure recomputes every
   * arrow, and only the ones surviving the viewport filter need their string.
   */
  readonly d: string;
  /**
   * The path of the invisible click hit-area: the same route with both ends trimmed,
   * so the terminal (at the source anchor) and the resize handle (under the
   * arrowhead) stay reachable.
   * Derived on first read and cached: only the interactions layer needs it.
   */
  readonly hitD: string;
  /**
   * The point where the arrowhead is drawn, in the same coordinate space as `d`: the
   * target edge anchor, except when the route clamps at the timeline edge.
   */
  endPoint: DependencyArrowPoint;
  /**
   * The edge of the target event the arrow enters, and so the side of `endPoint` the
   * arrow comes from.
   */
  targetEdge: SchedulerEventSide;
  /**
   * Horizontal bounding box of the arrow, as fractions of the events area width.
   */
  minXFraction: number;
  maxXFraction: number;
  /**
   * Vertical bounding box of the arrow, as row indexes.
   */
  minRowIndex: number;
  maxRowIndex: number;
}
/**
 * Computes the arrow of each renderable dependency, connecting the edges of its two
 * events that its type constrains.
 */
export declare function computeDependencyArrows(resolver: DependencyAnchorResolver, dependencies: readonly SchedulerDependency[]): DependencyArrow[];