| Interface | Description | 
|---|---|
| Cancellable | Events that implement this indicate that they may be cancelled and thus
 prevented from happening. | 
| Listener | Dummy interface which all event subscribers and listeners must implement. | 
| TabExecutor | 
| Class | Description | 
|---|---|
| Command | A command that can be executed by a  CommandSender. | 
| Event | Dummy class which all callable events must extend. | 
| Plugin | Represents any Plugin that may be loaded at runtime to enhance existing
 functionality. | 
| PluginClassloader | |
| PluginDescription | POJO representing the plugin.yml file. | 
| PluginLogger | |
| PluginManager | Class to manage bridging between plugin duties and implementation duties, for
 example event handling and plugin management. | 
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