class Doorkeeper::OAuth::ClientCredentialsRequest

def access_token
  issuer.token
end

def initialize(server, client, parameters = {})
  @client = client
  @server = server
  @response = nil
  @original_scopes = parameters[:scope]
end

def issuer
  @issuer ||= ClientCredentials::Issuer.new(
    server,
    ClientCredentials::Validator.new(server, self),
  )
end

def valid?
  issuer.create(client, scopes)
end