[#BloombergLP-ball-AsyncFileObserver-2constructor-0d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/AsyncFileObserver.adoc[AsyncFileObserver]::AsyncFileObserver
:relfileprefix: ../../../
:mrdocs:

Create an async file observer with the specified `stdoutThreshold`.

== Synopsis

Declared in `<ball_asyncfileobserver.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
AsyncFileObserver(
    xref:BloombergLP/ball/Severity/Level.adoc[Severity::Level] stdoutThreshold,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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