anchor.diff:   `<messages>qi-sysconfig-messages</messages>`
   
   The naming convention for these files is: `packagename_locale.properties` 
  +
   
   ===== Menubar
   
  
positive.code: 
  `<locale>es-UY</locale>`
  
  ===== Messages
  Indicates the names of the `.properties` files available. It can contain more than one.
  
  
negative.code: Represented with the `<attribute>` element. 
  It has: 
  
  * `name` (string, required) The name of the attribute, it will be shown on the column, or field.  
  
  * `field` (boolean, optional) Boolean value indicating whether the attribute should be shown as a field, on the specific view. 
  
  * `column` (boolean, optional) Boolean value indicating whether the attribute should be shown as a columnn on the general view.
  
  * `read-only` (boolean, optional) Boolean value indicating if the attribute should be editable
  
  * `required` (boolean, optional) Indicates if the field is required. Default is false. 
  
  * `regex` (string, optional) A string indicating the regex used for validating the field. 
  
  * `length` (numeric,optional) A number, indicating the max length for the field value. 
  
  * `expand-ratio` (numeric,optional) A number, indicating if the field's expandRatio to be used. (Check link:https://vaadin.com/docs/-/part/framework/layout/layout-settings.html#layout.settings.size.expanding(Vaadin docs)[Vaadin Docs] for more info).
  
  * `perm` (string, optional) The permission needed to access the field. 
  
  Example: 
  
  