response.cookies.get('show-banner')
getAll()
Given a cookie name, return the values of the cookie. If no name is given, return all cookies on the response.
 // Given incoming request /home
let response = NextResponse.next()
// [
//   { name: 'experiments', value: 'new-pricing-page', Path: '/home' },
//   { name: 'experiments', value: 'winter-launch', Path: '/home' },
// ]
response.cookies.getAll('experiments')
// Alternatively, get all cookies for the response
response.cookies.getAll()
delete(name)
Given a cookie name, delete the cookie from the response.
 // Given incoming request /home
let response = NextResponse.next()
// Returns true for deleted, false is nothing is deleted
response.cookies.delete('experiments')
json()
Produce a response with the given JSON body.