export declare class GeminiService {
    private readonly logger;
    private ai;
    private readonly MAX_REQUESTS_PER_MINUTE;
    private readonly RATE_LIMIT_WINDOW;
    private requestTimestamps;
    generateText(prompt: string): Promise<string>;
    private generateTextWithRetry;
    private waitForRateLimit;
    private recordRequest;
    private sleep;
}