[Type] PropertyCallback [Nullable] ✘ [Optional] ✘ [Description] This argument holds a callback object for asynchronous requests to the property. The successCallback object implements the PropertyCallback interface and holds a handleEvent operation that needs to be called once all data for the requested property is gathered. This handleEvent operation needs to be called with a new MediaAnnotation array. [Parameter] 
successCallback
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s o u r c e F o r m a t
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