[#BloombergLP-bslx-ByteOutStream-bdexVersionSelector]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslx.adoc[bslx]::xref:BloombergLP/bslx/ByteOutStream.adoc[ByteOutStream]::bdexVersionSelector
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:mrdocs:

Return the `versionSelector` to be used with `operator<<` for BDEX streaming as per the `bslx` package‐level documentation.

== Synopsis

Declared in `<bslx_byteoutstream.h>`

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


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