/**
 * Shared Gemini AI client for image filtering.
 *
 * Used by both Pixabay and Wikipedia image filters.
 */
/**
 * Call Gemini API with a prompt and return the response text.
 *
 * @param prompt - The prompt to send to Gemini
 * @param apiKey - Google AI API key
 * @returns Response text or null if the call failed
 */
export declare function callGemini(prompt: string, apiKey: string): Promise<string | null>;
//# sourceMappingURL=gemini-client.d.ts.map