export declare const DEFAULT_LLM_MODEL_URI = "hf:unsloth/Qwen3.5-4B-GGUF/Qwen3.5-4B-Q5_K_M.gguf";
export interface DownloadModelOptions {
    useMirror?: boolean;
    signal?: AbortSignal;
    onProgress?: (p: {
        downloadedSize: number;
        totalSize: number;
        percent: number;
    }) => void;
}
/**
 * 下载模型到本地缓存目录。
 * @returns 解析后的本地文件路径
 */
export declare function downloadModel(modelUri: string, options?: DownloadModelOptions): Promise<string>;
export declare function getResolvedBasename(modelUri: string): string;