@Override
    public TaskWorker newTaskWorker(String id) {
        return new KiboshFaultWorker(id,
            new KiboshFilesUnreadableFaultSpec(prefix, errorCode), mountPath);
    }
The specification for a fault that makes files unreadable.
trogdor/src/main/java/org/apache/kafka/trogdor/fault/FilesUnreadableFaultSpec.java