import { TimelineCommandResult, TimelineKeyframeMutationOptions, TimelineKeyframePropertyId, TimelineKeyframeSegment, TimelineKeyframeSegmentGeometryOptions, TimelineKeyframeSide, TimelineKeyframeSideInterpolation, TimelineKeyframeTangentHandle, TimelineKeyframeTangentHandleHitTestResult, TimelineKeyframeTangentHitTestInput, TimelineUpdateClipKeyframeSideOptions, VisibleTimelineKeyframeSegment } from "@techsquidtv/canvas-timeline-core";
//#region src/hooks/keyframes/useTimelineKeyframeSegments.d.ts
/** Options accepted by `useTimelineKeyframeSegments`. */
interface UseTimelineKeyframeSegmentsOptions extends TimelineKeyframeSegmentGeometryOptions {
  /** Keyframe property used to scope segment lists and commands. */
  property: TimelineKeyframePropertyId;
  /** Optional clip id used to scope segment lists and commands. */
  clipId?: string;
}
/** Input for updating one keyframe tangent side. */
interface TimelineKeyframeSideUpdateInput extends Omit<TimelineUpdateClipKeyframeSideOptions, 'side'> {
  /** Side to update. */
  side: TimelineKeyframeSide;
}
/** Result returned by `useTimelineKeyframeSegments`. */
interface UseTimelineKeyframeSegmentsResult {
  /** Keyframe segments in track order. */
  segments: TimelineKeyframeSegment<string>[];
  /** Viewport-intersecting keyframe segments in track order. */
  visibleSegments: VisibleTimelineKeyframeSegment<string>[];
  /** Bezier tangent handles from all `segments`. */
  tangentHandles: TimelineKeyframeTangentHandle<string>[];
  /** Bezier tangent handles from all `visibleSegments`. */
  visibleTangentHandles: TimelineKeyframeTangentHandle<string>[];
  /** Hit-tests one viewport point against visible Bezier tangent handles. */
  getTangentHandleAtPoint: (input: TimelineKeyframeTangentHitTestInput) => TimelineKeyframeTangentHandleHitTestResult<string> | null;
  /** Updates one keyframe side interpolation. */
  updateKeyframeSide: (input: TimelineKeyframeSideUpdateInput, options?: TimelineKeyframeMutationOptions) => TimelineCommandResult<TimelineKeyframeSideInterpolation>;
}
/**
 * Reads timeline keyframe segment geometry and exposes side-aware tangent commands.
 *
 * @param options - Clip/property filters and renderer-aligned geometry settings.
 */
declare function useTimelineKeyframeSegments(options: UseTimelineKeyframeSegmentsOptions): UseTimelineKeyframeSegmentsResult;
//#endregion
export { TimelineKeyframeSideUpdateInput, UseTimelineKeyframeSegmentsOptions, UseTimelineKeyframeSegmentsResult, useTimelineKeyframeSegments };
//# sourceMappingURL=useTimelineKeyframeSegments.d.mts.map