class Doorkeeper::OAuth::ClientCredentialsRequest

def access_token
  issuer.token
end

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

def issuer
  @issuer ||= Issuer.new(server, Validation.new(server, self))
end

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