/**
 * Fetches available models from providers that support listing,
 * with in-memory caching and hardcoded fallback.
 */
export declare class ModelRegistry {
    private cache;
    private inflight;
    private hardcoded;
    constructor(hardcodedModels: Record<string, string[]>);
    getModels(providerId: string, credentials?: {
        apiKey?: string;
        apiBase?: string;
    }): Promise<string[]>;
    private fetchModels;
    private fetchOllama;
    private fetchOpenAI;
    private fetchGemini;
    clearCache(providerId?: string): void;
}
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