import type { ImageProvider, ImageGenerationRequest, ImageGenerationResult, ImageDescriptionResult, ImageTaggingResult } from '../types/index.js';
/**
 * Manager for all image providers
 */
export declare class ProviderManager {
    private providers;
    private config;
    constructor();
    /**
     * Initialize all providers
     */
    private initializeProviders;
    /**
     * Get all available providers
     */
    getProviders(): ImageProvider[];
    /**
     * Get provider by name
     */
    getProvider(name: string): ImageProvider | null;
    /**
     * Get enabled and available providers
     */
    getAvailableProviders(): Promise<ImageProvider[]>;
    /**
     * Get best provider for a specific feature
     */
    getBestProvider(feature?: 'generation' | 'description' | 'tagging' | 'logo'): Promise<ImageProvider | null>;
    /**
     * Generate image using the best available provider
     */
    generateImage(request: ImageGenerationRequest, preferredProvider?: string): Promise<ImageGenerationResult>;
    /**
     * Describe image using the best available provider
     */
    describeImage(imageUrl: string, preferredProvider?: string): Promise<ImageDescriptionResult>;
    /**
     * Tag image using the best available provider
     */
    tagImage(imageUrl: string, preferredProvider?: string): Promise<ImageTaggingResult>;
    /**
     * Get fallback provider (different from the failed one)
     */
    private getFallbackProvider;
    /**
     * Get provider statistics
     */
    getProviderStats(): Promise<{
        totalProviders: number;
        availableProviders: number;
        providerInfo: Array<{
            name: string;
            available: boolean;
            features: string[];
            supportedFormats: string[];
            maxImageCount: number;
        }>;
    }>;
    /**
     * Reload providers configuration
     */
    reloadProviders(): Promise<void>;
    /**
     * Check if any providers are available
     */
    hasAvailableProviders(): Promise<boolean>;
    /**
     * Get provider capabilities summary
     */
    getCapabilities(): Promise<{
        canGenerate: boolean;
        canDescribe: boolean;
        canTag: boolean;
        canGenerateLogos: boolean;
        supportedFormats: string[];
        maxImageCount: number;
    }>;
}
export declare const providerManager: ProviderManager;
export default providerManager;
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