proc `and`(a, b: IntObject): IntObject {....raises: [], tags: [], forbids: [].}

proc `not`(self: IntObject): IntObject {....raises: [], tags: [], forbids: [].}

proc `or`(a, b: IntObject): IntObject {....raises: [], tags: [], forbids: [].}

proc `shl`(a, b: IntObject): IntObject {....raises: [ValueError], tags: [],
    forbids: [].}

proc `shl`(a: IntObject; shiftby: BiggestUInt;
           shiftMayOvf: static[bool] = ShiftMayOvf): IntObject

proc `shr`(a, b: IntObject): IntObject {....raises: [ValueError], tags: [],
    forbids: [].}

proc `shr`(a: IntObject; shiftby: BiggestUInt;
           shiftMayOvf: static[bool] = ShiftMayOvf): IntObject

proc `xor`(a, b: IntObject): IntObject {....raises: [], tags: [], forbids: [].}