code: def serialize(self):
          
          result = self.to_project_config(with_packages=True)
          result.update(self.to_profile_info(serialize_credentials=True))
          result['cli_vars'] = deepcopy(self.cli_vars)
          return result
docs: Serialize the full configuration to a single dictionary. For any
          instance that has passed validate() (which happens in __init__), it
          matches the Configuration contract.
  
          Note that args are not serialized.
  
          :returns dict: The serialized configuration.