| `membership_lock` | boolean | no | **(STARTER)** Prevent adding new members to project membership within this group. |
| `share_with_group_lock` | boolean | no | Prevent sharing a project with another group within this group. |
| `visibility` | string | no | The visibility level of the group. Can be `private`, `internal`, or `public`. |
| `share_with_group_lock` | boolean | no | Prevent sharing a project with another group within this group. |
| `require_two_factor_authentication` | boolean | no | Require all users in this group to setup Two-factor authentication. |
| `two_factor_grace_period` | integer | no | Time before Two-factor authentication is enforced (in hours). |
| `project_creation_level` | string | no | Determine if developers can create projects in the group. Can be `noone` (No one), `maintainer` (Maintainers), or `developer` (Developers + Maintainers). |
