Role
The Roles API is implementing a subset of the functionality of the MS Graph Role Management.
https://owncloud.dev/libre-graph-api/#/roleManagement/ListPermissionRoleDefinitions
https://owncloud.dev/libre-graph-api/#/roleManagement/GetPermissionRoleDefinition
https://owncloud.dev/libre-graph-api/#/user.appRoleAssignment/user.ListAppRoleAssignments
https://owncloud.dev/libre-graph-api/#/user.appRoleAssignment/user.CreateAppRoleAssignments
Delete the appRoleAssignment from a user DELETE /v1.0/users/{user-id}/appRoleAssignments/{appRoleAssignment-id}
https://owncloud.dev/libre-graph-api/#/user.appRoleAssignment/user.DeleteAppRoleAssignments