import type { Datum } from "../../charts/shared/datumTypes";
/**
 * Bounds scene builder — produces an AreaSceneNode for confidence bands/envelopes.
 *
 * Consumed by: lineScene (renders bounds behind lines)
 */
import type { AreaSceneNode } from "../types";
import type { XYSceneContext } from "./types";
export declare function buildBoundsForGroup(ctx: XYSceneContext, data: Datum[], group: string): AreaSceneNode | null;
