/**
 * LangChain wrapper for Talor SERP API.
 *
 * Follows the same API surface as GoogleSerperAPIWrapper from langchain_community,
 * so users can swap integrations with minimal code changes.
 *
 * Engine schemas are bundled inside the package for full parameter awareness.
 */
import { EngineSchema } from "./schema";
export interface TalorDataSerpAPIWrapperOptions {
    talorApiKey?: string;
    endpoint?: string;
    engine?: string;
    gl?: string;
    hl?: string;
    device?: string;
    responseMode?: string;
    timeout?: number;
    k?: number;
}
export interface SearchResult {
    ok: boolean;
    status: number;
    engine?: string;
    data?: any;
    raw?: string;
}
export declare class TalorDataSerpAPIWrapper {
    private talorApiKey;
    private endpoint;
    private engine;
    private gl;
    private hl;
    private device;
    private responseMode;
    private timeout;
    private k;
    private httpClient;
    constructor(options?: TalorDataSerpAPIWrapperOptions);
    private _registry;
    getEngineSchema(engineKey?: string): EngineSchema | undefined;
    listEngines(): string[];
    engineDescription(engineKey: string): string;
    engineParamSchema(engineKey: string): Record<string, any> | null;
    private _resolveApiKey;
    private _buildPayload;
    results(query?: string, engine?: string, kwargs?: Record<string, any>): Promise<SearchResult>;
    private _stringifyValue;
    private _unwrapData;
    private _processResponse;
    run(query?: string, engine?: string, kwargs?: Record<string, any>): Promise<string>;
    private _historyEndpoint;
    history(options?: {
        page?: number;
        pageSize?: number;
        searchQuery?: string;
        searchEngine?: string;
        status?: string;
        startTime?: number;
        endTime?: number;
        timezone?: string;
    }): Promise<SearchResult>;
    private _statisticsEndpoint;
    statistics(options: {
        startDate: string;
        endDate: string;
        engines?: string;
        timezone?: string;
    }): Promise<SearchResult>;
}
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