import { DynamicStructuredTool } from '@langchain/core/tools';
/**
 * Configuration for You.com LangChain tools
 */
export type YouToolsConfig = {
    apiKey?: string;
};
/**
 * You.com web search tool for LangChain
 *
 * Search the web for current information, news, articles, and content.
 * Returns web results with snippets and news articles.
 *
 * @param config - Configuration options
 * @returns A DynamicStructuredTool for use with LangChain agents
 *
 * @public
 */
export declare const youSearch: (config?: YouToolsConfig) => DynamicStructuredTool<import("zod").ZodObject<{
    query: import("zod").ZodString;
    count: import("zod").ZodOptional<import("zod").ZodNumber>;
    freshness: import("zod").ZodOptional<import("zod").ZodString>;
    offset: import("zod").ZodOptional<import("zod").ZodNumber>;
    country: import("zod").ZodOptional<import("zod").ZodEnum<{
        AR: "AR";
        CA: "CA";
        NL: "NL";
        FI: "FI";
        FR: "FR";
        DE: "DE";
        IT: "IT";
        JP: "JP";
        PL: "PL";
        RU: "RU";
        ES: "ES";
        TR: "TR";
        AU: "AU";
        AT: "AT";
        BE: "BE";
        BR: "BR";
        CL: "CL";
        DK: "DK";
        HK: "HK";
        IN: "IN";
        ID: "ID";
        KR: "KR";
        MY: "MY";
        MX: "MX";
        NZ: "NZ";
        NO: "NO";
        CN: "CN";
        PT: "PT";
        PH: "PH";
        SA: "SA";
        ZA: "ZA";
        SE: "SE";
        CH: "CH";
        TW: "TW";
        GB: "GB";
        US: "US";
    }>>;
    safesearch: import("zod").ZodOptional<import("zod").ZodEnum<{
        off: "off";
        moderate: "moderate";
        strict: "strict";
    }>>;
    livecrawl: import("zod").ZodOptional<import("zod").ZodEnum<{
        web: "web";
        news: "news";
        all: "all";
    }>>;
    livecrawl_formats: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodEnum<{
        markdown: "markdown";
        html: "html";
    }>>>;
    language: import("zod").ZodOptional<import("zod").ZodEnum<{
        AR: "AR";
        EU: "EU";
        BN: "BN";
        BG: "BG";
        CA: "CA";
        "ZH-HANS": "ZH-HANS";
        "ZH-HANT": "ZH-HANT";
        HR: "HR";
        CS: "CS";
        DA: "DA";
        NL: "NL";
        EN: "EN";
        "EN-GB": "EN-GB";
        ET: "ET";
        FI: "FI";
        FR: "FR";
        GL: "GL";
        DE: "DE";
        EL: "EL";
        GU: "GU";
        HE: "HE";
        HI: "HI";
        HU: "HU";
        IS: "IS";
        IT: "IT";
        JP: "JP";
        KN: "KN";
        KO: "KO";
        LV: "LV";
        LT: "LT";
        MS: "MS";
        ML: "ML";
        MR: "MR";
        NB: "NB";
        PL: "PL";
        "PT-BR": "PT-BR";
        "PT-PT": "PT-PT";
        PA: "PA";
        RO: "RO";
        RU: "RU";
        SR: "SR";
        SK: "SK";
        SL: "SL";
        ES: "ES";
        SV: "SV";
        TA: "TA";
        TE: "TE";
        TH: "TH";
        TR: "TR";
        UK: "UK";
        VI: "VI";
    }>>;
    include_domains: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString>>;
    exclude_domains: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString>>;
    crawl_timeout: import("zod").ZodOptional<import("zod").ZodNumber>;
}, import("zod/v4/core").$strip>, {
    query: string;
    count?: number | undefined;
    freshness?: string | undefined;
    offset?: number | undefined;
    country?: "AR" | "CA" | "NL" | "FI" | "FR" | "DE" | "IT" | "JP" | "PL" | "RU" | "ES" | "TR" | "AU" | "AT" | "BE" | "BR" | "CL" | "DK" | "HK" | "IN" | "ID" | "KR" | "MY" | "MX" | "NZ" | "NO" | "CN" | "PT" | "PH" | "SA" | "ZA" | "SE" | "CH" | "TW" | "GB" | "US" | undefined;
    safesearch?: "off" | "moderate" | "strict" | undefined;
    livecrawl?: "web" | "news" | "all" | undefined;
    livecrawl_formats?: ("markdown" | "html")[] | undefined;
    language?: "AR" | "EU" | "BN" | "BG" | "CA" | "ZH-HANS" | "ZH-HANT" | "HR" | "CS" | "DA" | "NL" | "EN" | "EN-GB" | "ET" | "FI" | "FR" | "GL" | "DE" | "EL" | "GU" | "HE" | "HI" | "HU" | "IS" | "IT" | "JP" | "KN" | "KO" | "LV" | "LT" | "MS" | "ML" | "MR" | "NB" | "PL" | "PT-BR" | "PT-PT" | "PA" | "RO" | "RU" | "SR" | "SK" | "SL" | "ES" | "SV" | "TA" | "TE" | "TH" | "TR" | "UK" | "VI" | undefined;
    include_domains?: string[] | undefined;
    exclude_domains?: string[] | undefined;
    crawl_timeout?: number | undefined;
}, {
    query: string;
    count?: number | undefined;
    freshness?: string | undefined;
    offset?: number | undefined;
    country?: "AR" | "CA" | "NL" | "FI" | "FR" | "DE" | "IT" | "JP" | "PL" | "RU" | "ES" | "TR" | "AU" | "AT" | "BE" | "BR" | "CL" | "DK" | "HK" | "IN" | "ID" | "KR" | "MY" | "MX" | "NZ" | "NO" | "CN" | "PT" | "PH" | "SA" | "ZA" | "SE" | "CH" | "TW" | "GB" | "US" | undefined;
    safesearch?: "off" | "moderate" | "strict" | undefined;
    livecrawl?: "web" | "news" | "all" | undefined;
    livecrawl_formats?: ("markdown" | "html")[] | undefined;
    language?: "AR" | "EU" | "BN" | "BG" | "CA" | "ZH-HANS" | "ZH-HANT" | "HR" | "CS" | "DA" | "NL" | "EN" | "EN-GB" | "ET" | "FI" | "FR" | "GL" | "DE" | "EL" | "GU" | "HE" | "HI" | "HU" | "IS" | "IT" | "JP" | "KN" | "KO" | "LV" | "LT" | "MS" | "ML" | "MR" | "NB" | "PL" | "PT-BR" | "PT-PT" | "PA" | "RO" | "RU" | "SR" | "SK" | "SL" | "ES" | "SV" | "TA" | "TE" | "TH" | "TR" | "UK" | "VI" | undefined;
    include_domains?: string[] | undefined;
    exclude_domains?: string[] | undefined;
    crawl_timeout?: number | undefined;
}, string, unknown, "you_search">;
/**
 * You.com research tool for LangChain
 *
 * Perform research with cited sources and configurable effort (lite, standard, deep, exhaustive).
 *
 * @param config - Configuration options
 * @returns A DynamicStructuredTool for use with LangChain agents
 *
 * @public
 */
export declare const youResearch: (config?: YouToolsConfig) => DynamicStructuredTool<import("zod").ZodObject<{
    input: import("zod").ZodString;
    research_effort: import("zod").ZodDefault<import("zod").ZodOptional<import("zod").ZodEnum<{
        lite: "lite";
        standard: "standard";
        deep: "deep";
        exhaustive: "exhaustive";
    }>>>;
}, import("zod/v4/core").$strip>, {
    input: string;
    research_effort: "lite" | "standard" | "deep" | "exhaustive";
}, {
    input: string;
    research_effort?: "lite" | "standard" | "deep" | "exhaustive" | undefined;
}, string, unknown, "you_research">;
/**
 * You.com content extraction tool for LangChain
 *
 * Extract full page content from URLs in markdown or HTML format.
 *
 * @param config - Configuration options
 * @returns A DynamicStructuredTool for use with LangChain agents
 *
 * @public
 */
export declare const youContents: (config?: YouToolsConfig) => DynamicStructuredTool<import("zod").ZodObject<{
    urls: import("zod").ZodArray<import("zod").ZodString>;
    formats: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodEnum<{
        markdown: "markdown";
        html: "html";
        metadata: "metadata";
    }>>>;
    format: import("zod").ZodOptional<import("zod").ZodEnum<{
        markdown: "markdown";
        html: "html";
    }>>;
    crawl_timeout: import("zod").ZodOptional<import("zod").ZodNumber>;
}, import("zod/v4/core").$strip>, {
    urls: string[];
    formats?: ("markdown" | "html" | "metadata")[] | undefined;
    format?: "markdown" | "html" | undefined;
    crawl_timeout?: number | undefined;
}, {
    urls: string[];
    formats?: ("markdown" | "html" | "metadata")[] | undefined;
    format?: "markdown" | "html" | undefined;
    crawl_timeout?: number | undefined;
}, string, unknown, "you_contents">;