push_element(name, start) {
		this.#element = {
			type: 'element',
			name,
			attributes: {},
			children: [],
			start
		};

		this.#fragment.push(this.#element);

		this.#fragment = /** @type {Element} */ (this.#element).children;
		this.#stack.push(this.#fragment);
	}
@param {string} name
@param {number} start