/**
 * Manage MLX model downloads from HuggingFace.
 *
 * @example
 * ```ts
 * import { ModelManager } from 'react-native-nitro-mlx'
 *
 * // Download a model
 * await ModelManager.download('mlx-community/Qwen3-0.6B-4bit', progress => {
 *   console.log(`Downloading: ${(progress * 100).toFixed(0)}%`)
 * })
 *
 * // Check if downloaded
 * const isReady = await ModelManager.isDownloaded('mlx-community/Qwen3-0.6B-4bit')
 *
 * // List all downloaded models
 * const models = await ModelManager.getDownloadedModels()
 * ```
 */
export declare const ModelManager: {
    /**
     * Download a model from HuggingFace.
     * @param modelId - HuggingFace model ID (e.g., 'mlx-community/Qwen3-0.6B-4bit')
     * @param progressCallback - Callback invoked with download progress (0-1)
     * @returns Path to the downloaded model directory
     */
    download(modelId: string, progressCallback: (progress: number) => void): Promise<string>;
    /**
     * Check if a model is already downloaded.
     * @param modelId - HuggingFace model ID
     * @returns True if the model is fully downloaded
     */
    isDownloaded(modelId: string): Promise<boolean>;
    /**
     * Get a list of all downloaded model IDs.
     * @returns Array of model IDs that are available locally
     */
    getDownloadedModels(): Promise<string[]>;
    /**
     * Delete a downloaded model to free up disk space.
     * @param modelId - HuggingFace model ID
     */
    deleteModel(modelId: string): Promise<void>;
    /**
     * Get the local filesystem path for a downloaded model.
     * @param modelId - HuggingFace model ID
     * @returns Absolute path to the model directory
     */
    getModelPath(modelId: string): Promise<string>;
    /**
     * Read the raw download manifest JSON for a downloaded model.
     * Throws if the model has no `.download-manifest.json`.
     */
    getDownloadManifest(modelId: string): Promise<string>;
    /** Enable debug logging to console */
    debug: boolean;
};
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