text: 
  from veem.models.base import Base
  
  from veem.constants import Scope
  
  class TokenResponse(Base):
      def __init__(self,
                   access_token=None,
                   user_name=None,
                   account_id=None,
                   expires_in=None,
                   token_type=None,
                   scope=None,
                   user_id=None,
                   refresh_token=None,
                   **kwargs):
  
          self._validate_constants(Scope, scope)
  
          self.accessToken = access_token
          self.username = user_name
          self.accountId = account_id
          self.expiresIn = expires_in
          self.tokenType = token_type
          self.scope = scope
          self.userId = user_id
          self.refreshToken = refresh_token
  