[#BloombergLP-bdlb-NullableValue-maxSupportedBdexVersion-09] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue]::maxSupportedBdexVersion :relfileprefix: ../../../ :mrdocs: Return the most current BDEX streaming version number supported by this class. (See the `bslx` package‐level documentation for more information on BDEX streaming of value‐semantic types and containers.) == Synopsis Declared in `<bdlb_nullablevalue.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- int maxSupportedBdexVersion() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#