var a;
let b = 42;
const c = 21 * 2;
let {e} = d;
var f, g = 42, h = false;
let {i, j: k} = l;
let [m, n] = c;
var {a: [o, {p}]} = d;
let {q = 42} = f;
const {g: r = 42} = i;
const {s, ...t} = r;