/** @format */
import { HuffmanNode } from './huffman-node.js';
/**
 * Represents a parent node in a Huffman tree.
 */
export declare class HuffmanParent extends HuffmanNode {
    /**
     * The children nodes of this parent node.
     */
    private readonly _children;
    /**
     * Gets the children nodes of this parent node.
     * @returns {Array<HuffmanNode | undefined>} The children nodes.
     */
    get children(): Array<HuffmanNode | undefined>;
    /**
     * Creates an instance of HuffmanParent.
     * @param {Array<HuffmanNode | undefined>} children - The children nodes of this parent node.
     */
    constructor(children: Array<HuffmanNode | undefined>);
}