| ExtendedSystemInfoUtils | Contains methods for obtaining various collections of system information in a localised format. |
| JiraSystemRestarter | This manager can restart the JIRA world. |
| SystemInfoUtils | |
| SystemInfoUtils.DatabaseMetaData |
| ExtendedSystemInfoUtilsImpl | Implementation for the ExtendedSystemInfoUtils interface. |
| JiraRuntimeInformationFactory | Factory for getting RuntimeInformation that supports reporting in megabytes rather than just bytes. |
| JiraSystemRestarterImpl | Since this class causes PICO to commit suicide, it is very careful to be completely stateless and not keep references to any things inside PICO itself. |
| ReleaseInfo | Utilty for displaying some random text associated with a particular release. |
| SystemInfoUtilsImpl | Supply specific system information of the current JIRA installation. |
| SystemInfoUtilsImpl.MaskedUrlDatabaseMetaData | |
| VersionNumber | Version Number holder. |
