def sample_user_agent():
 class DummyConfig(object, ):
  'Shim for computing a sample user agent.'
  def __init__(self):
   self.authenticator = 'XXX'
   self.installer = 'YYY'
   self.user_agent = None
 return determine_user_agent(DummyConfig())

def sample_user_agent ( ) : class DummyConfig ( object , ) : def __init__ ( self ) : self . authenticator = 'XXX' self . installer = 'YYY' self . user_agent = None return determine_user_agent ( DummyConfig ( ) )
document what this certbots user agent string will be like .