| Interface | Description | 
|---|---|
| SelectorHandler | 
 Handler for custom types of selectors registered with  
SelectorHandlerManager | 
| Class | Description | 
|---|---|
| SelectorHandlerManager | 
 Allows registration of custom selector types by assigning a  
SelectorHandler to a prefix
 This class handles calls to the EntitySelector methods matchEntities,
 matchesMultiplePlayers and isSelector. |