DatastoreServiceConfig config = DatastoreServiceConfig.Builder.withDefaults();
assertEquals(new ReadPolicy(Consistency.STRONG).getConsistency(), config.getReadPolicy().getConsistency());
config = DatastoreServiceConfig.Builder.withDeadline(10);
assertEquals(new Double(10), config.getDeadline());
config.deadline(20);
assertEquals(new Double(20), config.getDeadline());
config = DatastoreServiceConfig.Builder.withImplicitTransactionManagementPolicy(ImplicitTransactionManagementPolicy.AUTO);
assertEquals(ImplicitTransactionManagementPolicy.AUTO, config.getImplicitTransactionManagementPolicy());
config.implicitTransactionManagementPolicy(ImplicitTransactionManagementPolicy.NONE);