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06380cb587
Similarly to the domain config code it may be beneficial to control the cache size of images introduced as snapshots into the backing chain. Wire up handling of the 'metadata_cache' element. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
229 lines
6.3 KiB
XML
229 lines
6.3 KiB
XML
<?xml version="1.0"?>
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<!-- A Relax NG schema for the libvirt domain snapshot properties XML format -->
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<grammar xmlns="http://relaxng.org/ns/structure/1.0">
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<start>
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<ref name="domainsnapshot"/>
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</start>
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<include href="domaincommon.rng"/>
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<define name="domainsnapshot">
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<element name="domainsnapshot">
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<interleave>
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<optional>
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<element name="name">
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<text/>
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</element>
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</optional>
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<optional>
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<element name="description">
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<text/>
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</element>
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</optional>
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<optional>
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<element name="state">
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<ref name="state"/>
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</element>
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</optional>
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<optional>
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<element name="creationTime">
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<text/>
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</element>
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</optional>
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<optional>
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<element name="memory">
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<choice>
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<attribute name="snapshot">
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<choice>
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<value>no</value>
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<value>internal</value>
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</choice>
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</attribute>
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<group>
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<optional>
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<attribute name="snapshot">
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<value>external</value>
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</attribute>
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</optional>
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<attribute name="file">
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<ref name="absFilePath"/>
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</attribute>
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</group>
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</choice>
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<empty/>
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</element>
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</optional>
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<optional>
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<element name="disks">
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<zeroOrMore>
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<ref name="disksnapshot"/>
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</zeroOrMore>
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</element>
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</optional>
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<optional>
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<element name="active">
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<choice>
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<value>0</value>
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<value>1</value>
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</choice>
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</element>
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</optional>
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<optional>
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<choice>
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<element name="domain">
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<element name="uuid">
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<ref name="UUID"/>
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</element>
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</element>
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<!-- Nested grammar ensures that any of our overrides of
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storagecommon/domaincommon defines do not conflict
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with any domain.rng overrides. -->
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<grammar>
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<include href="domain.rng"/>
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</grammar>
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</choice>
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</optional>
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<optional>
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<element name="parent">
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<element name="name">
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<text/>
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</element>
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</element>
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</optional>
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<optional>
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<element name="cookie">
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<zeroOrMore>
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<ref name="customElement"/>
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</zeroOrMore>
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</element>
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</optional>
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</interleave>
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</element>
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</define>
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<define name="state">
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<choice>
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<value>running</value>
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<value>blocked</value>
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<value>paused</value>
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<value>shutdown</value>
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<value>shutoff</value>
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<value>crashed</value>
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<value>disk-snapshot</value>
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</choice>
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</define>
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<define name="storageSourceExtra" combine="choice">
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<!-- overrides the no-op version in storagecommon.rng -->
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<ref name="disksnapshotdriver"/>
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</define>
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<define name="disksnapshot">
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<element name="disk">
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<attribute name="name">
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<choice>
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<ref name="diskTarget"/>
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<ref name="absFilePath"/>
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</choice>
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</attribute>
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<choice>
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<attribute name="snapshot">
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<value>no</value>
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</attribute>
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<attribute name="snapshot">
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<value>internal</value>
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</attribute>
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<group>
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<optional>
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<attribute name="snapshot">
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<value>external</value>
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</attribute>
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</optional>
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<choice>
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<group>
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<optional>
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<attribute name="type">
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<value>file</value>
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</attribute>
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</optional>
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<interleave>
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<optional>
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<element name="source">
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<optional>
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<attribute name="file">
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<ref name="absFilePath"/>
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</attribute>
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</optional>
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<optional>
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<ref name="storageStartupPolicy"/>
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</optional>
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<zeroOrMore>
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<ref name="devSeclabel"/>
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</zeroOrMore>
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<optional>
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<ref name="diskSourceCommon"/>
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</optional>
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<optional>
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<ref name="encryption"/>
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</optional>
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<empty/>
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</element>
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</optional>
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<ref name="storageSourceExtra"/>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>block</value>
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</attribute>
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<interleave>
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<optional>
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<element name="source">
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<attribute name="dev">
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<ref name="absFilePath"/>
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</attribute>
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<zeroOrMore>
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<ref name="devSeclabel"/>
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</zeroOrMore>
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<optional>
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<ref name="diskSourceCommon"/>
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</optional>
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<optional>
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<ref name="encryption"/>
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</optional>
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<empty/>
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</element>
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</optional>
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<ref name="storageSourceExtra"/>
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</interleave>
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</group>
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<ref name="diskSourceNetwork"/>
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</choice>
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</group>
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</choice>
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</element>
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</define>
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<define name="disksnapshotdriver">
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<optional>
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<element name="driver">
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<optional>
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<attribute name="type">
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<ref name="storageFormatBacking"/>
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</attribute>
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</optional>
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<optional>
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<element name="metadata_cache">
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<optional>
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<element name="max_size">
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<ref name="scaledInteger"/>
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</element>
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</optional>
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</element>
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</optional>
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</element>
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</optional>
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</define>
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</grammar>
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