/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { NodeIdentifier, ReanimationStateVisits } from "@breadboard-ai/types";
/**
 * Tracks paths of visited nodes. Uses the "last visited node" approach.
 * This might not be perfectly accurate, since we don't actually know if
 * the last visited node is the one where the edge comes from.
 * However, it should work well enough in most cases.
 */
export declare class VisitTracker {
    #private;
    constructor(visits?: ReanimationStateVisits);
    visit(node: string, path: number[]): void;
    pathFor(node: string): number[] | undefined;
    visited(): [NodeIdentifier, number[]][];
}
//# sourceMappingURL=visit-tracker.d.ts.map