/**
 * AI-powered image relevance filter for Wikipedia images.
 *
 * Uses Gemini to evaluate whether Wikipedia images (based on captions/descriptions)
 * are suitable for representing an activity, filtering out:
 * - Diagrams, charts, maps, and infographics
 * - Logos, emblems, and icons
 * - Historical/archival black-and-white photos
 * - Equipment close-ups without activity context
 * - Portraits of notable people
 *
 * Wikipedia is an encyclopedia - most images are informative/educational.
 * We only want images showing the activity being done, the objects involved,
 * or the places where that activity happens.
 */
/**
 * Wikipedia image candidate for filtering.
 */
export interface WikipediaImageCandidate {
    /** Filename from Wikipedia (e.g., "Duckpins_closeup.jpg") */
    readonly filename: string;
    /** Image description/caption from Wikipedia */
    readonly description: string;
    /** URL to the image */
    readonly url: string;
}
/**
 * Result of AI filtering - images suitable for activity display.
 */
export interface WikipediaImageMatch {
    /** Wikipedia filename */
    readonly filename: string;
    /** Image URL */
    readonly url: string;
    /** Confidence score 0-100 */
    readonly confidence: number;
}
/**
 * Filter Wikipedia images for suitability as activity photos.
 * Returns only matching images with confidence scores.
 *
 * @param activity - The activity being represented (e.g., "Eiffel Tower", "hiking")
 * @param candidates - Wikipedia images with descriptions
 * @param apiKey - Google AI API key (Gemini)
 * @returns Suitable images sorted by confidence (highest first)
 */
export declare function filterWikipediaImages(activity: string, candidates: readonly WikipediaImageCandidate[], apiKey: string): Promise<WikipediaImageMatch[]>;
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