The status of the domain: 
- REGISTERED: The domain is properly registered and available. You can use this domain for registering types and creating new workflow executions.
- DEPRECATED: The domain was deprecated using DeprecateDomain, but is still in use. You should not create new workflow executions in this domain.
Constraints:
 Declaration Syntax
 Declaration Syntax| C# | 
public string Status { get; set; }