public OperationParameters testAndSetCondition(String condition) {
        if (condition.isEmpty())
            throw new IllegalArgumentException("TestAndSetCondition must be non-empty");

        return new OperationParameters(create, condition, timeout, route, tracelevel);
    }
Per-operation feed parameters

@author bjorncs
@author jonmv
vespa-feed-client-api/src/main/java/ai/vespa/feed/client/OperationParameters.java