export declare function getRemoteConfigParam(paramName: string): Promise<string | null>;
export declare function getOpenAIModel(): Promise<string>;
export declare function getOpenRouterModel(): Promise<string>;
export declare function getGeminiModel(): Promise<string>;
export declare function getWebOpenRouterModel(): Promise<string>;
export declare function getRagLevel(): Promise<'query_cache' | 'rag_cache' | 'rag_vector' | 'rag_hybrid' | 'web_search_llm'>;