import { QuoteSearchParams } from "../types/serper-types.js";
export declare class SerperService {
    private readonly axiosInstance;
    private readonly apiKey;
    private readonly baseUrl;
    constructor(apiKey: string);
    private createAxiosInstance;
    private setupRetryLogic;
    private constructSearchQuery;
    private parseQuoteFromResponse;
    getQuote(params: QuoteSearchParams, numberOfQuotes?: number): Promise<string>;
}