[#BloombergLP-bdlb-NullableAllocatedValue-maxSupportedBdexVersion-0c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableAllocatedValue.adoc[NullableAllocatedValue]::maxSupportedBdexVersion
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:mrdocs:

Return the most current BDEX streaming version number supported by this class&period; (See the package&hyphen;group&hyphen;level documentation for more information on BDEX streaming of container types&period;)

== Synopsis

Declared in `&lt;bdlb&lowbar;nullableallocatedvalue&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
maxSupportedBdexVersion() const;
----


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