| 
Interface Summary | 
| ParserPool | 
Provides instances of parsers as needed. | 
| Renderable | 
This interface caraterize objects other than ASTNodes that can be rendered
  to a writer using a context. | 
| RuntimeConstants | 
This class defines the keys that are used in the velocity.properties file so that they can be referenced as a constant within
 Java code. | 
| RuntimeLogger | 
Deprecated. This functionality has been taken over by the Log class | 
| RuntimeServices | 
Interface for internal runtime services that are needed by the
 various components w/in Velocity. |