presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/backup/BackupConfig.java/BackupConfig/setTimeoutThreads
class BackupConfig:    @Config("backup.timeout-threads")
    @ConfigDescription("Maximum number of timeout threads for backup operations")
    public BackupConfig setTimeoutThreads(int timeoutThreads)
    {
        this.timeoutThreads = timeoutThreads;
        return this;
    }