import * as tf from '@tensorflow/tfjs-node';
/**
 * Save a TensorFlow.js model locally and push it to Hugging Face Hub.
 *
 * @param model Trained tf.LayersModel
 * @param repo Full Hugging Face repo ID (e.g. "salim4n/dqn-agent")
 * @param token Hugging Face access token
 * @param subdir Subfolder inside repo (e.g. "step-5" or "best")
 */
export declare function saveModelToHub(model: tf.LayersModel, repo: string, token: string, subdir?: string): Promise<void>;