=== tests/cases/compiler/declarationEmitDestructuring4.ts ===
// For an array binding pattern with empty elements,
// we will not make any modification and will emit
// the similar binding pattern users' have written
function baz([]) { }
>baz : ([]: any[]) => void

function baz1([] = [1,2,3]) { }
>baz1 : ([]?: number[]) => void
>[1,2,3] : number[]
>1 : number
>2 : number
>3 : number

function baz2([[]] = [[1,2,3]]) { }
>baz2 : ([[]]?: [number[]]) => void
>[[1,2,3]] : [number[]]
>[1,2,3] : number[]
>1 : number
>2 : number
>3 : number

function baz3({}) { }
>baz3 : ({}: {}) => void

function baz4({} = { x: 10 }) { }
>baz4 : ({}?: { x: number; }) => void
>{ x: 10 } : { x: number; }
>x : number
>10 : number