| Interface | Description | 
|---|---|
| PropertyLoader | A property loader is a map of properties. | 
| PropertyRegistry | A property registry is a property loader that allows to add or remove properties dynamically. | 
| Class | Description | 
|---|---|
| PropertyFactory | Gets a property loader that is able to retrieve properties. | 
| PropertyPermission | Permission to manipulate services using  PropertyLoader.getProperty(String)orPropertyLoader.getProperty(String, String)orPropertyRegistry.setProperty(String, String)orPropertyRegistry.removeProperty(String). | 
Used by implementors and users.