import { GeminiConfig } from '../types';
/**
 * Generates a summary using Google's Gemini AI
 * @param text The text to summarize
 * @param sentenceCount The maximum number of sentences in the summary
 * @param geminiConfig Configuration for the Gemini API
 * @returns The AI-generated summary
 */
export declare function summarizeWithGeminiAI(text: string, sentenceCount: number | undefined, geminiConfig: GeminiConfig): Promise<string>;
/**
 * Validates that a Gemini configuration is properly set up
 * @param config The Gemini configuration to validate
 * @returns True if the configuration is valid, false otherwise
 */
export declare function isGeminiConfigValid(config: GeminiConfig | null | undefined): boolean;