| 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. 
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| PropertyPermission | 
 Permission to manipulate services using  
PropertyLoader.getProperty(String) or
 PropertyLoader.getProperty(String, String) or PropertyRegistry.setProperty(String, String) or
 PropertyRegistry.removeProperty(String). |