| m2compatible | True if this resolver should be maven2 compatible, false otherwise since 1.3 | No, defaults to false | 
    | local | True if this resolver should be considered local, false otherwise since 1.4. See useOrigin attribute on the [[settings/caches]] element for details. | No, defaults to true | 
    | transactional | true to force the use of transaction, false to prevent the use of transaction, auto to get transaction when possible since 2.0. See above for details. | No, defaults to auto |