propertyAccess = (properties, start = 0) => {
	let str = "";
	for (let i = start; i < properties.length; i++) {
		const p = properties[i];
		if (`${Number(p)}` === p) {
			str += `[${p}]`;
		} else if (SAFE_IDENTIFIER.test(p) && !RESERVED_IDENTIFIER.has(p)) {
			str += `.${p}`;
		} else {
			str += `[${JSON.stringify(p)}]`;
		}
	}
	return str;
}
@param {ArrayLike<string>} properties properties
@param {number} start start index
@returns {string} chain of property accesses