query bla($x: Boolean! = false, $y: Boolean! = true) {
  user @skip(if: $x) {
    case1: name
  }
  user @include(if: $x) {
    case2: name
  }

  user2: user @skip(if: $y) {
    case1: name
  }
  user2: user @include(if: $y) {
    case2: name
  }
}