let mediaType: MediaType = "application/json" // is equivalent to
MediaType.application(.json())

let rawMediaType = "application/json"
let mediaType = MediaType(rawValue: rawMediaType)

let mediaType: MediaType = "application/atom; charset=utf-8" // is equivalent to
MediaType.application(.atom(nil, ["charset": "utf-8"]))

let mediaType: MediaType = "application/atom+xml" // is equivalent to
MediaType.application(.atom(.xml))

let mediaType: MediaType = "application/atom+xml; charset=utf-8" // is equivalent to
MediaType.application(.atom(.xml, ["charset": "utf-8"]))

let mediaType: MediaType = "application/vnd.efi.img" // is equivalent to
MediaType.application(.other("vnd.efi.img"))

let image: MediaType = "image/svg+gzip" // is equivalent to
MediaType.image(.svg(.gzip))

let application: MediaType = "application/myApp+json" // is equivalent to
MediaType.application(.other("myApp", .json))

func isSupported(_ mediaType: MediaType) -> Bool {
  switch mediaType {
  case .application(.json(_, _)): return true
  case .application(.atom("xml", _)): return true
  case .application(let subtype):
    switch subtype {
    case .xml(_, _): return true
    default: return false
    }
  default: return false
  }
}

isSupported("application/json") // Returns: true
isSupported("application/json+xml") // Returns: true
isSupported("application/json;charset=utf-8") // Returns: true
isSupported("application/json+xml;charset=utf-8") // Returns: true

isSupported("application/atom+xml") // Returns: true
isSupported("application/atom+xml;charset=utf-8") // Returns: true
isSupported("application/atom") // Returns: false
isSupported("application/atom;charset=utf-8") // Returns: false

var request = URLRequest(url: URL(string: "https://example-store.com/products")!)
let contentType: MediaType = "application/json"

// The following two statements are equivalent
request.setValue("Content-Type", forHTTPHeaderField: "\(contentType)")
request.setValue("Content-Type", forHTTPHeaderField: contentType.description)

let (_, response) = try await URLSession.shared.data(for: request)

let supportedImages: Set = ["image/png", "image/gif", "image/jpeg"]

func canHandle(response: URLResponse) -> Bool {
  guard let mimeType = response.mimeType else { return false }
  let mediaType = MediaType(rawValue: mimeType)
  return mediaType == .application(.json())
}