| Interface | Description | 
|---|---|
| GrailsPlugin | |
| GrailsPluginManager | |
| PluginFilter | Defines interface for obtaining a sublist of GrailsPlugininstances
 based on an original supplied list ofGrailsPlugininstances. | 
| PluginManagerAware | For implementors interested in obtaining a reference to the Grails PluginManager instance. | 
| PluginManagerLoader | Interface for a class that loads plugins | 
| Class | Description | 
|---|---|
| DefaultGrailsPluginManager | |
| Plugin | Super class for plugins to implement. |