[#BloombergLP-ball-BroadcastObserver-ObserverRegistry]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/BroadcastObserver.adoc[BroadcastObserver]::ObserverRegistry
:relfileprefix: ../../../
:mrdocs:

This `typedef` is an alias for the type of the registry maintained by this observer.

== Synopsis

Declared in `<ball_broadcastobserver.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef xref:bsl/unordered_map-02b.adoc[bsl::unordered_map<bsl::string, bsl::shared_ptr<Observer>, bdlb::TransparentHash, bdlb::TransparentEqualTo>] ObserverRegistry;
----


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