import * as React from 'react';
import type { SchedulerEventOccurrence, SchedulerResource } from '@mui/x-scheduler-internals/models';
import type { SchedulerDependencyId } from '@mui/x-scheduler-internals-premium/models';
import type { DependencyAnchorResolver } from "./dependencyAnchorResolver.mjs";
import type { DependencyArrow } from "./dependencyArrowGeometry.mjs";
export interface EventTimelinePremiumDependencyGeometryValue {
  resolver: DependencyAnchorResolver;
  /**
   * The arrows intersecting the visible range. Selection-agnostic (the provider does
   * not subscribe to the selection): the layers highlighting the selected arrow order
   * it last themselves, through `orderArrowsWithSelectedLast`.
   */
  visibleArrows: DependencyArrow[];
  eventsWidth: number;
  /**
   * The y of the first rendered row: the overlays' y = 0 in absolute row-space.
   */
  offsetTop: number;
  height: number;
  visibleStartFraction: number;
  visibleEndFraction: number;
  firstRowIndex: number;
  lastRowIndex: number;
  resources: readonly {
    resource: SchedulerResource;
    occurrences: SchedulerEventOccurrence[];
  }[];
}
/**
 * The visible arrows with the selected one last, so its highlight (and its hit area)
 * is never covered by a sibling. Returns the input array when nothing is selected.
 */
export declare function orderArrowsWithSelectedLast(arrows: DependencyArrow[], selectedId: SchedulerDependencyId | null): DependencyArrow[];
export declare function useDependencyGeometry(): EventTimelinePremiumDependencyGeometryValue;
/**
 * Computes the dependency geometry once and shares it with the three overlays (visual
 * arrows, terminals, interactions), which would otherwise each run the resolver and
 * the routing on every render of their own. Renders no DOM. Deliberately not
 * subscribed to the creation gesture: only the layers drawing it pay for its
 * start/snap/end updates.
 * Pass-through when the dependencies feature is disabled: the overlays return null
 * before reading the context, and the timeline must not pay the provider's scroll and
 * rows-meta subscriptions for a feature it does not use.
 */
export declare function EventTimelinePremiumDependencyGeometryProvider({
  children
}: {
  children: React.ReactNode;
}): string | number | bigint | boolean | React.JSX.Element | Iterable<React.ReactNode> | Promise<string | number | bigint | boolean | Iterable<React.ReactNode> | React.ReactElement<unknown, string | React.JSXElementConstructor<any>> | React.ReactPortal | null | undefined> | null | undefined;