class Github::Client::Scopes

def list(*args)
  arguments(args)
  params = arguments.params
  token = args.shift
  if token.is_a?(Hash) && !params['token'].nil?
    token = params.delete('token')
  elsif token.nil?
    token = oauth_token
  end
  if token.nil?
    raise ArgumentError, 'Access token required'
  end
  headers = { 'Authorization' => "token #{token}" }
  params['headers'] = headers
  response = get_request("/user", params)
  response.headers.oauth_scopes.split(',').map(&:strip)
end