import { Tool, JSONOutput, RunOptions } from "../core/Tool";
import { ExecutionContext } from "../core/ExecutionContext";
import { z } from "zod";
interface WikipediaResult {
    title: string;
    extract: string;
    pageId: number;
    url: string;
    categories?: string[];
    images?: string[];
    similarityScore?: number;
    summary?: {
        extract: string;
        thumbnail?: {
            source: string;
            width: number;
            height: number;
        };
    };
}
interface WikipediaInput {
    query: string;
    language?: string;
    maxLength?: number | string;
    minSimilarity?: number | string;
    includeCategories?: boolean | string;
    includeImages?: boolean | string;
    extractFormat?: 'plain' | 'markdown' | string;
}
export declare class WikipediaTool extends Tool<WikipediaInput, JSONOutput<WikipediaResult>> {
    private turndown;
    private proxyAgent;
    constructor();
    schema(): z.ZodSchema<WikipediaInput>;
    private fetchWithRetry;
    private searchWikipedia;
    private getPageContent;
    protected execute(input: WikipediaInput, context: ExecutionContext, options: RunOptions): Promise<JSONOutput<WikipediaResult>>;
}
export {};