kabir/jboss-as — comment on commit d5fb6b4245ed5b2bcd8633889d7fdfec7d5360d7
File: controller/src/main/java/org/jboss/as/controller/OperationContext.java line 424
By bstansberry:

We need a different term for this operation. "Unmasking a password" is a specific usage of the general thing this API provides. The vault can contain any piece of data that the user doesn't want visible in the config file.