import * as tf from '@tensorflow/tfjs';
/**
 * Build a simple Q-network with a Sequential model.
 *
 * @param inputSize The size of the input (state dimension)
 * @param outputSize The number of actions (output dimension)
 * @param hiddenLayers Optional array defining the number of units in hidden layers.
 *                     Default is [24, 24].
 * @param lr Learning rate. Default is 0.001.
 * @returns A compiled tf.Sequential model.
 */
export declare function buildQNetwork(inputSize: number, outputSize: number, hiddenLayers?: number[], lr?: number): tf.Sequential;