/**
 * @license
 * Copyright 2026 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { BaseExampleProvider } from '../examples/base_example_provider.js';
import { Example } from '../examples/example.js';
import { BaseTool, RunAsyncToolRequest, ToolProcessLlmRequest } from './base_tool.js';
/**
 * A tool that adds (few-shot) examples to the LLM request.
 *
 * This tool is executed for each LLM request and is never called by the model;
 * it only mutates the outgoing request by appending few-shot instructions built
 * from the latest user query.
 */
export declare class ExampleTool extends BaseTool {
    readonly examples: Example[] | BaseExampleProvider;
    constructor(examples: Example[] | BaseExampleProvider);
    runAsync(_request: RunAsyncToolRequest): Promise<unknown>;
    processLlmRequest({ toolContext, llmRequest, }: ToolProcessLlmRequest): Promise<void>;
}