Conf. Conversion Tool: async tag of singleFile element is not parsed completely

<infinispan>
    <namedCache name="withFileStore">
        <persistence passivation="false">

            <!-- We can have multiple cache stores, which get chained -->
            <singleFile preload="true" fetchPersistentState="true" ignoreModifications="true" purgeOnStartup="true" location="/tmp/FileCacheStore-Location" >
                <async enabled="true" flushLockTimeout="15000" threadPoolSize="5" modificationQueueSize="700" shutdownTimeout="1212121"/>
                <singleton enabled="true" pushStateWhenCoordinator="true" pushStateTimeout="20000" />
            </singleFile>
        </persistence>
    </namedCache>
</infinispan>

<infinispan>
    <threads/>
    <cache-container name="DefaultCacheManager">
        <jmx/>
<local-cache name="withFileStore">
            <transaction mode="NONE"/>
            <persistence passivation="false">
                <file-store fetch-state="true" purge="true" read-only="true" preload="true" path="/tmp/FileCacheStore-Location" singleton="true">
                    <write-behind modification-queue-size="700" thread-pool-size="5"/>
                </file-store>
            </persistence>
        </local-cache>
    </cache-container></infinispan>