/**
 * Exa web fetch — reads webpage content as clean text.
 */
import type { ToolPerformResult } from "./formatters.js";
export declare const DEFAULT_MAX_CHARACTERS = 3000;
type FetchOptions = {
    maxCharacters?: number;
    highlights?: boolean;
    summary?: {
        query?: string;
    };
    maxAgeHours?: number;
};
export declare function performWebFetch(apiKey: string, urls: string[], options?: FetchOptions): Promise<ToolPerformResult>;
export {};