code: func (c *serviceAccounts) CreateToken(name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error) {
  	result := &authenticationv1.TokenRequest{}
  	err := c.client.Post().
  		Namespace(c.ns).
  		Resource("serviceaccounts").
  		SubResource("token").
  		Name(name).
  		Body(tr).
  		Do().
  		Into(result)
  	return result, err
  }
docs: // CreateToken creates a new token for a serviceaccount.