public function notEqualTypes()
{
return array(array(Type::userType('a', Type::int()), Type::userType('a', Type::varchar())), array(Type::userType('a', Type::int(), 'b', Type::varchar()), Type::userType('a', Type::int(), 'b', Type::bigint())), array(Type::userType('a', Type::int(), 'b', Type::varchar(), 'c', Type::varint()), Type::userType('a', Type::int(), 'b', Type::varchar(), 'c', Type::bigint())), array(Type::userType('a', Type::collection(Type::int()), 'b', Type::set(Type::varchar())), Type::userType('a', Type::collection(Type::int()), 'b', Type::set(Type::int()))), array(Type::userType('a', Type::int()), Type::userType('b', Type::int())), array(Type::userType('a', Type::int(), 'c', Type::varchar()), Type::userType('b', Type::int(), 'c', Type::varchar())));
}
