Interface IPermissionsDAO

interface IPermissionsDAO {
    createPermission(permissionName: string): Promise<Permission | null>;
    deletePermissionById(permissionId: number): Promise<boolean>;
    deletePermissionByName(permissionName: string): Promise<boolean>;
    getAllPermissions(): Promise<Permission[] | null>;
    getPermissionById(permissionId: number): Promise<Permission | null>;
    getPermissionByName(permissionName: string): Promise<Permission | null>;
}