import { Tool, JSONOutput, RunOptions, ToolOptions } from "../core/Tool";
import { ExecutionContext } from "../core/ExecutionContext";
import { z } from "zod";
interface SearchResult {
    title: string;
    link: string;
    snippet: string;
}
interface GoogleSearchInput {
    query: string;
    maxResults?: number;
    apiKey?: string;
    cx?: string;
}
export declare class GoogleSearchTool extends Tool<GoogleSearchInput, JSONOutput<SearchResult[]>, ToolOptions> {
    private readonly defaultApiKey;
    private readonly defaultCx;
    constructor(apiKey?: string, cx?: string, options?: ToolOptions);
    schema(): z.ZodSchema<GoogleSearchInput>;
    protected execute(input: GoogleSearchInput, context: ExecutionContext, options: RunOptions): Promise<JSONOutput<SearchResult[]>>;
}
export {};