/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { AssetPath, GraphIdentifier, ImportIdentifier, InspectableAsset, InspectableAssetEdge, InspectableEdge, InspectableGraph, InspectableNode, InspectableNodeType, ModuleIdentifier, MutableGraph, NodeIdentifier, NodeTypeIdentifier, Outcome } from "@breadboard-ai/types";
export { GraphQueries };
/**
 * Encapsulates common graph operations.
 */
declare class GraphQueries {
    #private;
    constructor(cache: MutableGraph, graphId: GraphIdentifier);
    isEntry(id: NodeIdentifier): boolean;
    isExit(id: NodeIdentifier): boolean;
    incoming(id: NodeIdentifier): InspectableEdge[];
    outgoing(id: NodeIdentifier): InspectableEdge[];
    entries(): InspectableNode[];
    isStart(id: NodeIdentifier): boolean;
    nodeById(id: NodeIdentifier): InspectableNode | undefined;
    typeForNode(id: NodeIdentifier): InspectableNodeType | undefined;
    typeById(id: NodeTypeIdentifier): InspectableNodeType | undefined;
    moduleExports(): Set<ModuleIdentifier>;
    graphExports(): Set<GraphIdentifier>;
    imports(): Promise<Map<ImportIdentifier, Outcome<InspectableGraph>>>;
    assets(): Map<AssetPath, InspectableAsset>;
    assetEdges(): Outcome<InspectableAssetEdge[]>;
}
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