@Override
    public void close() {
        topicService.close();
        producerService.close();
        consumerService.close();
    }
Generates a list of byte arrays with specified size and mix of random and static content.

@param size        The size of each byte array.
@param randomRatio The fraction of each array that should be random (0.0 to 1.0).
@param count       The number of arrays to generate.
@return List of byte arrays, each containing a mix of random and static bytes.
tools/src/main/java/org/apache/kafka/tools/automq/PerfCommand.java