[#BloombergLP-bdlde-Crc64-maxSupportedBdexVersion]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlde.adoc[bdlde]::xref:BloombergLP/bdlde/Crc64.adoc[Crc64]::maxSupportedBdexVersion
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Return the maximum valid BDEX format version, as indicated by the specified `versionSelector`, to be passed to the `bdexStreamOut` method. Note that the `versionSelector` is expected to be formatted as `yyyymmdd`, a date representation. See the `bslx` package‐level documentation for more information on BDEX streaming of value‐semantic types and containers.

== Synopsis

Declared in `<bdlde_crc64.h>`

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


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