query InputObjectVariablesQuery($msg: Message) {
  echo(message: $msg) {
    result
  }
}

query RecursiveInputQuery($input: RecursiveInput!) {
  saveRecursiveInput(recursiveInput: $input)
}

query IndirectlyRecursiveInputQuery($input: IndirectlyRecursiveInput!) {
  saveRecursiveInput(recursiveInput: $input)
}