anchor.diff:    }
   
     /**
  -  * https://sendgrid.api-docs.io/v3.0/api-keys/retrieve-an-existing-api-key
  +  * @docs https://sendgrid.api-docs.io/v3.0/api-keys/retrieve-an-existing-api-key
     * @hint Retrieve an existing API Key
     * @api_key_id The ID of the API Key for which you are requesting information. This is everything in the API key after the SG and before the second dot, so if this were an example API key: SG.aaaaaaaaaaaaaa.bbbbbbbbbbbbbbbbbbbbbbbb, your api_key_id would be aaaaaaaaaaaaaa
     * @on_behalf_of The subuser's username. This header generates the API call as if the subuser account was making the call (Optional)
  
positive.code:   }
  
    /**
    * https://sendgrid.api-docs.io/v3.0/contacts-api-lists/delete-a-list
    * @hint Delete a single list with the given ID from your contact database.
    */
    public struct function deleteList( required numeric id ) {
  
negative.code:   }
  
    /**
    * @docs https://sendgrid.api-docs.io/v3.0/ip-pools/delete-an-ip-pool
    * @hint Delete an IP pool.
    * @name The name of the IP pool that you want to delete.
    */
  