/**
 * @license
 * Copyright 2023 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { GraphDescriptor, TraversalResult, NodeIdentifier, GraphRepresentation } from "@breadboard-ai/types";
import { TraversalMachineIterator } from "./iterator.js";
export declare class TraversalMachine implements AsyncIterable<TraversalResult> {
    graph: GraphRepresentation;
    previousResult?: TraversalResult;
    constructor(descriptor: GraphDescriptor, result?: TraversalResult, start?: NodeIdentifier);
    [Symbol.asyncIterator](): AsyncIterator<TraversalResult>;
    start(): TraversalMachineIterator;
}
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