prettier/tests/format/js/sequence-expression/parenthesized.js

console.log(
  /* 1 */
  (
    /* 2 */
    (
      /* 3 */
      first
      /* 4 */
    )
    /* 5 */
    ,
    /* 6 */
    (
      /* 7 */
      last
      /* 8 */
    )
    /* 9 */
  )
  /* 10 */
);