anchor.diff:    /**
     * @docs https://sendgrid.api-docs.io/v3.0/link-branding/retrieve-all-link-branding
     * @hint Retrieve all branded links
  -  * @limit limit the number of rows returned.
  +  * @limit limits the number of rows returned.
     * @on_behalf_of generates the API call as if the subuser account was making the request
     */
     public struct function listBrandedLinks( numeric limit = 0, string on_behalf_of = '' ) {
  
positive.code:   /**
    * @docs https://sendgrid.api-docs.io/v3.0/domain-authentication/update-an-authenticated-domain
    * @hint Update an authenticated domain
    * @domain_id Domain ID to be updated.
    * @custom_spf Specify whether to use a custom SPF or allow SendGrid to manage your SPF. This option is only available to authenticated domains set up for manual security.
    * @default Whether to use this authenticated domain as the fallback if no authenticated domains match the sender's domain.
    * @on_behalf_of generates the API call as if the subuser account was making the request
    */
    public struct function updateAuthenticatedDomain( required numeric domain_id, boolean custom_spf, boolean default, string on_behalf_of = '' ) {
  
negative.code:   /**
    * @docs https://sendgrid.api-docs.io/v3.0/subusers-api/delete-a-subuser
    * @hint Delete a subuser
    * @subuser_name is the name of the subuser to delete
    */
    public struct function deleteSubuser( required string subuser_name ) {
      return apiCall( 'DELETE', "/subusers/#subuser_name#" );
  