/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { GraphToRun, InputValues, NodeDescriberContext, NodeDescriberResult, NodeHandlerContext, NodeHandlerMetadata, NodeHandlerObject, NodeTypeIdentifier, Schema } from "@breadboard-ai/types";
export { describerResultToNodeHandlerMetadata, GraphBasedNodeHandler, toNodeHandlerMetadata, };
declare class GraphBasedNodeHandler implements NodeHandlerObject {
    #private;
    constructor(graph: GraphToRun, type: NodeTypeIdentifier);
    invoke(inputs: InputValues, context: NodeHandlerContext): Promise<import("@breadboard-ai/types").OutputValues>;
    describe(inputs?: InputValues, inputSchema?: Schema, outputSchema?: Schema, context?: NodeDescriberContext): Promise<NodeDescriberResult>;
    get metadata(): NodeHandlerMetadata | undefined;
}
declare function describerResultToNodeHandlerMetadata(result: NodeDescriberResult, updating: boolean): NodeHandlerMetadata;
declare function toNodeHandlerMetadata(graphToRun: GraphToRun, url: NodeTypeIdentifier, updating: boolean): NodeHandlerMetadata | undefined;
//# sourceMappingURL=graph-based-node-handler.d.ts.map