BridgeAdapterDataObserver.Subscriber The subscriber interface. 
WrappedAdapter<VH extends RecyclerView.ViewHolder> An interface provides better methods for wrapped adapters. 
WrapperAdapter<VH extends RecyclerView.ViewHolder> An RecyclerView adapter which wraps another adapter(s). 


AdapterPath Adapter path. 
AdapterPathSegment Adapter path segment  
BridgeAdapterDataObserver This class behaves like a "proxy" which bridges RecyclerView.AdapterDataObserver events to another subscriber object. 
ItemIdComposer Utility class providing "Composed item ID" related definitions and methods. 
ItemViewTypeComposer Utility class providing "Composed item view type" related definitions and methods. 
SimpleWrapperAdapter<VH extends RecyclerView.ViewHolder> A simple wrapper class. 
UnwrapPositionResult The result object of unwrapPosition(UnwrapPositionResult, int)