| GadgetPermissionManager | Permission Manager to decide if a gadget should be shown to a user or not. |
| JiraGadgetPermissionManager | |
| JiraPermissionService | Defines who has permission to read/update dashboards as well as adding gadgets to the external gadget directory. |
| JiraPluginGadgetSpecProviderPermission | Class ensures users can see only the gadgets they have permission to. |
