old_contents: from .rest import RestClient
  
  
  class DeviceCredentials(object):
  
      """Auth0 connection endpoints
  
      Args:
          domain (str): Your Auth0 domain, e.g: 'username.auth0.com'
  
          jwt_token (str): An API token created with your account's global
              keys. You can create one by using the token generator in the
              API Explorer: https://auth0.com/docs/api/v2
      """
  
      def __init__(self, domain, jwt_token):
          self.domain = domain
          self.client = RestClient(jwt=jwt_token)
  
      def _url(self, id=None):
          url = 'https://%s/api/v2/device-credentials' % self.domain
          if id is not None:
              return url + '/' + id
          return url
  
      def get(self, user_id, client_id, type, fields=[], include_fields=True):
          """
          Args:
              user_id (str): The user_id of the devices to retrieve.
  
              client_id (str): The client_id of the devices to retrieve.
  
              type (str): The type of credentials (public_key, refresh_token).
  
              fields (list, optional): A list of fields to include or exclude
                  (depending on include_fields) from the result, empty to
                  retrieve all fields
  
              include_fields (bool, optional): True if the fields specified are
                  to be excluded from the result, false otherwise
                  (defaults to true)
          """
  
          params = {
              'fields': ','.join(fields) or None,
              'include_fields': str(include_fields).lower(),
              'user_id': user_id,
              'client_id': client_id,
              'type': type,
          }
          return self.client.get(self._url(), params=params)
  
      def create(self, body):
          return self.client.post(self._url(), data=body)
  
      def delete(self, id):
          return self.client.delete(self._url(id))
  
new_contents: from .rest import RestClient
  
  
  class DeviceCredentials(object):
  
      """Auth0 connection endpoints
  
      Args:
          domain (str): Your Auth0 domain, e.g: 'username.auth0.com'
  
          jwt_token (str): An API token created with your account's global
              keys. You can create one by using the token generator in the
              API Explorer: https://auth0.com/docs/api/v2
      """
  
      def __init__(self, domain, jwt_token):
          self.domain = domain
          self.client = RestClient(jwt=jwt_token)
  
      def _url(self, id=None):
          url = 'https://%s/api/v2/device-credentials' % self.domain
          if id is not None:
              return url + '/' + id
          return url
  
      def get(self, user_id, client_id, type, fields=[], include_fields=True):
          """List device credentials.
  
          Args:
              user_id (str): The user_id of the devices to retrieve.
  
              client_id (str): The client_id of the devices to retrieve.
  
              type (str): The type of credentials (public_key, refresh_token).
  
              fields (list, optional): A list of fields to include or exclude
                  (depending on include_fields) from the result, empty to
                  retrieve all fields
  
              include_fields (bool, optional): True if the fields specified are
                  to be excluded from the result, false otherwise
                  (defaults to true)
          """
  
          params = {
              'fields': ','.join(fields) or None,
              'include_fields': str(include_fields).lower(),
              'user_id': user_id,
              'client_id': client_id,
              'type': type,
          }
          return self.client.get(self._url(), params=params)
  
      def create(self, body):
          """Create a device public key.
  
          Args:
              body (dict): parameters for creating the public key (e.g: type,
                  device_name, client_id, etc).
                  Please see: https://auth0.com/docs/api/v2#!/Device_Credentials/post_device_credentials
          """
          return self.client.post(self._url(), data=body)
  
      def delete(self, id):
          """Delete credential.
  
          Args:
              id (str):  The id of the credential to delete
          """
          return self.client.delete(self._url(id))
  
subject: Add docstrings to DeviceCredentials()