* True to create a single-use mask that is automatically destroyed after loading (useful for page loads),
* False to persist the mask element reference for multiple uses (e.g., for paged data widgets). Defaults to false.
*/
* True to create a single-use mask that is automatically destroyed after loading (useful for page loads),
* False to persist the mask element reference for multiple uses (e.g., for paged data widgets). Defaults to false.
*/