[#BBL_VERSION_DEPRECATION_THRESHOLD]
= BBL&lowbar;VERSION&lowbar;DEPRECATION&lowbar;THRESHOLD
:mrdocs:

Set the default deprecation&hyphen;activation threshold for this UOR&period;

== Synopsis

Declared in `&lt;bblscm&lowbar;versiontag&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BBL&lowbar;VERSION&lowbar;DEPRECATION&lowbar;THRESHOLD

----

== Description

Declare that deprecations for this UOR introduced in the specified version or earlier will be &quot;active&quot; by default &hyphen;&hyphen; i&period;e&period;, `BSLS&lowbar;DEPRECATE&lowbar;IS&lowbar;ACTIVE` will be `true` (which typically enables deprecation warnings)&period; Note that we define this macro in the version component, so that it is available at the lowest level in the component hierarchy of this UOR&period;


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