/**
 * Layer 3: Asset Intelligence Engine
 * Smart asset curation and management with semantic matching
 */
export interface AssetMetadata {
    id: string;
    type: 'icon' | 'image' | 'video' | 'chart' | 'diagram' | 'logo';
    source: 'unsplash' | 'iconify' | 'freepik' | 'huggingface' | 'local' | 'supabase';
    url: string;
    thumbnail_url?: string;
    alt_text: string;
    tags: string[];
    semantic_score: number;
    brand_compliance: boolean;
    cultural_appropriateness: boolean;
    license: 'free' | 'attribution' | 'premium';
    dimensions?: {
        width: number;
        height: number;
    };
}
export interface AssetRecommendation {
    assets: AssetMetadata[];
    reasoning: string;
    confidence_score: number;
    fallback_options: AssetMetadata[];
}
export interface AssetQuery {
    content_context: string;
    slide_type: string;
    target_audience: string;
    brand_guidelines?: string;
    cultural_context?: string;
    preferred_style?: 'professional' | 'casual' | 'technical' | 'creative';
}
export declare class AssetIntelligenceEngine {
    /**
     * Curate assets based on content context and brand guidelines
     */
    static curateAssets(query: AssetQuery): Promise<AssetRecommendation>;
    /**
     * Extract search terms from content context
     */
    private static extractSearchTerms;
    /**
     * Get style filter based on preferences
     */
    private static getStyleFilter;
    /**
     * Search Unsplash for relevant images
     */
    private static searchUnsplash;
    /**
     * Search Iconify for relevant icons
     */
    private static searchIconify;
    /**
     * Search Freepik for premium assets
     */
    private static searchFreepik;
    /**
     * Score assets based on relevance and context
     */
    private static scoreAssets;
    /**
     * Generate reasoning for asset recommendations
     */
    private static generateReasoning;
    /**
     * Calculate confidence score for recommendations
     */
    private static calculateConfidenceScore;
    /**
     * Validate asset against brand guidelines
     */
    static validateBrandCompliance(asset: AssetMetadata, brandGuidelines: any): boolean;
    /**
     * Check cultural appropriateness
     */
    static checkCulturalAppropriateness(asset: AssetMetadata, context: string): boolean;
}