import { Tool, JSONOutput, RunOptions } from "../core/Tool";
import { ExecutionContext } from "../core/ExecutionContext";
import { z } from "zod";
interface SerpSearchResult {
    title: string;
    link: string;
    snippet: string;
    position?: number;
    sitelinks?: Array<{
        title: string;
        link: string;
    }>;
}
interface SerpSearchInput {
    query: string;
    maxResults?: number;
}
export declare class SerpSearchTool extends Tool<SerpSearchInput, JSONOutput<SerpSearchResult[]>> {
    private readonly apiKey;
    constructor();
    schema(): z.ZodType<SerpSearchInput>;
    protected execute(input: SerpSearchInput, context: ExecutionContext, options: RunOptions): Promise<JSONOutput<SerpSearchResult[]>>;
}
export {};