| DefaultFileSystem | |
| FileExistanceWithCancelOptionValidator | |
| JiraHomeDatabaseConfigurationLoader | Simple DatabaseConfigurationLoader for load and saving DB config in jira-home |
| Settings | Stores raw settings as read from the config files |
| SettingsLoader | Loads current settings from the relevant files. |
| SslSettings | |
| Validator<T> | Cleans or validates a string input value for a field. |
| ComplexConfigurationReason | |
| ConnectionPoolField | Contains descriptions for the various connection pool settings. |
| WebServerProfile |
