Backup poslog in v14.0.1

What is the thought and purpose behind backupExportDirectoryName in StoreServerConduit.xml?  When would these files be used?  Can the PROPERTY backupExportDirectoryName be commented out?

    <TECHNICIAN name="POSLogDaemonTechnician"

class="POSLogDaemonTechnician"

package="oracle.retail.stores.domain.manager.export"

export="Y">

        <PROPERTY propname="daemonClassName"

propvalue="oracle.retail.stores.domain.manager.export.POSLogExportDaemonThread"/>

        <PROPERTY propname="sleepInterval"

propvalue="900"/>

        <PROPERTY propname="exportDirectoryName"

propvalue="POSLog"/>

        <PROPERTY propname="backupExportDirectoryName"

propvalue="POSLogBackup"/>

        <PROPERTY propname="trainingTransactionsExportable"

propvalue="Y"/>

        <PROPERTY propname="logWriterClass"

propvalue="oracle.retail.stores.domain.ixretail.log.POSLogWriter"/>

        <PROPERTY propname="maximumTransactionsToExport"

propvalue="-1"/>

    </TECHNICIAN>