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Default Annotates a default provider. 
MainThread Annotates an Executor that executes tasks on the main thread  


ActiveRootLister Provides access to all root views in an application. 


BaseLayerModule Dagger module for creating the implementation classes within the base package. 
BaseLayerModule.FailureHandlerHolder Holder for AtomicReference which allows updating it at runtime. 
DefaultFailureHandler Espresso's default FailureHandler
IdlingResourceRegistry Keeps track of user-registered IdlingResources. 
RootViewPicker Provides the root View of the top-most Window, with which the user can interact. 
UiControllerModule Dagger module for UiController. 
ViewFinderImpl Implementation of ViewFinder
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