presto-atop/src/main/java/io/prestosql/plugin/atop/AtopConnectorConfig.java/AtopConnectorConfig/setConcurrentReadersPerNode
class AtopConnectorConfig:    @Config("atop.concurrent-readers-per-node")
    public AtopConnectorConfig setConcurrentReadersPerNode(int readers)
    {
        this.concurrentReadersPerNode = readers;
        return this;
    }