AsyncListDiffer.ListListener<T>	Listener for when the current List is updated.
ItemTouchHelper.ViewDropHandler	An interface which can be implemented by LayoutManager for better integration with ItemTouchHelper.
ItemTouchUIUtil	Utility class for ItemTouchHelper which handles item transformations for different API versions.
ListUpdateCallback	An interface that can receive Update operations that are applied to a list.
RecyclerView.ChildDrawingOrderCallback	A callback interface that can be used to alter the drawing order of RecyclerView children.
RecyclerView.ItemAnimator.ItemAnimatorFinishedListener	This interface is used to inform listeners when all pending or running animations in an ItemAnimator are finished.
RecyclerView.LayoutManager.LayoutPrefetchRegistry	Interface for LayoutManagers to request items to be prefetched, based on position, with specified distance from viewport, which indicates priority.
RecyclerView.OnChildAttachStateChangeListener	A Listener interface that can be attached to a RecylcerView to get notified whenever a ViewHolder is attached to or detached from RecyclerView.
RecyclerView.OnItemTouchListener	An OnItemTouchListener allows the application to intercept touch events in progress at the view hierarchy level of the RecyclerView before those touch events are considered for RecyclerView's own scrolling behavior.
RecyclerView.RecyclerListener	A RecyclerListener can be set on a RecyclerView to receive messages whenever a view is recycled.
RecyclerView.SmoothScroller.ScrollVectorProvider	An interface which is optionally implemented by custom RecyclerView.LayoutManager to provide a hint to a RecyclerView.SmoothScroller about the location of the target position.

AdapterListUpdateCallback	ListUpdateCallback that dispatches update events to the given adapter.
AsyncDifferConfig<T>	Configuration object for ListAdapter, AsyncListDiffer, and similar background-thread list diffing adapter logic.
AsyncDifferConfig.Builder<T>	Builder class for AsyncDifferConfig.
AsyncListDiffer<T>	Helper for computing the difference between two lists via DiffUtil on a background thread.
AsyncListUtil<T>	A utility class that supports asynchronous content loading.
AsyncListUtil.DataCallback<T>	The callback that provides data access for AsyncListUtil.
AsyncListUtil.ViewCallback	The callback that links AsyncListUtil with the list view.
BatchingListUpdateCallback	Wraps a ListUpdateCallback callback and batches operations that can be merged.
ConcatAdapter	An RecyclerView.Adapter implementation that presents the contents of multiple adapters in sequence.
ConcatAdapter.Config	The configuration object for a ConcatAdapter.
ConcatAdapter.Config.Builder	The builder for ConcatAdapter.Config class.
DefaultItemAnimator	This implementation of RecyclerView.ItemAnimator provides basic animations on remove, add, and move events that happen to the items in a RecyclerView.
DiffUtil	DiffUtil is a utility class that calculates the difference between two lists and outputs a list of update operations that converts the first list into the second one.
DiffUtil.Callback	A Callback class used by DiffUtil while calculating the diff between two lists.
DiffUtil.DiffResult	This class holds the information about the result of a DiffUtil.calculateDiff(DiffUtil.Callback, boolean) call.
DiffUtil.ItemCallback<T>	Callback for calculating the diff between two non-null items in a list.
DividerItemDecoration	DividerItemDecoration is a RecyclerView.ItemDecoration that can be used as a divider between items of a LinearLayoutManager.
GridLayoutManager	A RecyclerView.LayoutManager implementations that lays out items in a grid.
GridLayoutManager.DefaultSpanSizeLookup	Default implementation for GridLayoutManager.SpanSizeLookup.
GridLayoutManager.LayoutParams	LayoutParams used by GridLayoutManager.
GridLayoutManager.SpanSizeLookup	A helper class to provide the number of spans each item occupies.
ItemTouchHelper	This is a utility class to add swipe to dismiss and drag & drop support to RecyclerView.
ItemTouchHelper.Callback	This class is the contract between ItemTouchHelper and your application.
ItemTouchHelper.SimpleCallback	A simple wrapper to the default Callback which you can construct with drag and swipe directions and this class will handle the flag callbacks.
LinearLayoutManager	A RecyclerView.LayoutManager implementation which provides similar functionality to .
LinearLayoutManager.LayoutChunkResult
LinearLayoutManager.SavedState
LinearSmoothScroller	RecyclerView.SmoothScroller implementation which uses a until the target position becomes a child of the RecyclerView and then uses a to slowly approach to target position.
LinearSnapHelper	Implementation of the SnapHelper supporting snapping in either vertical or horizontal orientation.
ListAdapter<T, VH>	RecyclerView.Adapter base class for presenting List data in a RecyclerView, including computing diffs between Lists on a background thread.
OrientationHelper	Helper class for LayoutManagers to abstract measurements depending on the View's orientation.
PagerSnapHelper	Implementation of the SnapHelper supporting pager style snapping in either vertical or horizontal orientation.
RecyclerView	A flexible view for providing a limited window into a large data set.
RecyclerView.Adapter<VH>	Base class for an Adapter
RecyclerView.AdapterDataObserver	Observer base class for watching changes to an RecyclerView.Adapter.
RecyclerView.EdgeEffectFactory	EdgeEffectFactory lets you customize the over-scroll edge effect for RecyclerViews.
RecyclerView.ItemAnimator	This class defines the animations that take place on items as changes are made to the adapter.
RecyclerView.ItemAnimator.ItemHolderInfo	A simple data structure that holds information about an item's bounds.
RecyclerView.ItemDecoration	An ItemDecoration allows the application to add a special drawing and layout offset to specific item views from the adapter's data set.
RecyclerView.LayoutManager	A `LayoutManager` is responsible for measuring and positioning item views within a `RecyclerView` as well as determining the policy for when to recycle item views that are no longer visible to the user.
RecyclerView.LayoutManager.Properties	Some general properties that a LayoutManager may want to use.
RecyclerView.LayoutParams	subclass for children of RecyclerView.
RecyclerView.OnFlingListener	This class defines the behavior of fling if the developer wishes to handle it.
RecyclerView.OnScrollListener	An OnScrollListener can be added to a RecyclerView to receive messages when a scrolling event has occurred on that RecyclerView.
RecyclerView.RecycledViewPool	RecycledViewPool lets you share Views between multiple RecyclerViews.
RecyclerView.Recycler	A Recycler is responsible for managing scrapped or detached item views for reuse.
RecyclerView.SavedState	This is public so that the CREATOR can be accessed on cold launch.
RecyclerView.SimpleOnItemTouchListener	An implementation of RecyclerView.OnItemTouchListener that has empty method bodies and default return values.
RecyclerView.SmoothScroller	Base class for smooth scrolling.
RecyclerView.SmoothScroller.Action	Holds information about a smooth scroll request by a RecyclerView.SmoothScroller.
RecyclerView.State	Contains useful information about the current RecyclerView state like target scroll position or view focus.
RecyclerView.ViewCacheExtension	ViewCacheExtension is a helper class to provide an additional layer of view caching that can be controlled by the developer.
RecyclerView.ViewHolder	A ViewHolder describes an item view and metadata about its place within the RecyclerView.
RecyclerViewAccessibilityDelegate	The AccessibilityDelegate used by RecyclerView.
RecyclerViewAccessibilityDelegate.ItemDelegate	The default implementation of accessibility delegate for the individual items of the RecyclerView.
SimpleItemAnimator	A wrapper class for ItemAnimator that records View bounds and decides whether it should run move, change, add or remove animations.
SnapHelper	Class intended to support snapping for a RecyclerView.
SortedList<T>	A Sorted list implementation that can keep items in order and also notify for changes in the list such that it can be bound to a RecyclerView.Adapter.
SortedList.BatchedCallback<T2>	A callback implementation that can batch notify events dispatched by the SortedList.
SortedList.Callback<T2>	The class that controls the behavior of the SortedList.
SortedListAdapterCallback<T2>	A SortedList.Callback implementation that can bind a SortedList to a RecyclerView.Adapter.
StaggeredGridLayoutManager	A LayoutManager that lays out children in a staggered grid formation.
StaggeredGridLayoutManager.LayoutParams	LayoutParams used by StaggeredGridLayoutManager.
StaggeredGridLayoutManager.SavedState

ConcatAdapter.Config.StableIdMode	Defines how ConcatAdapter handle stable ids (RecyclerView.Adapter.hasStableIds()).
RecyclerView.Adapter.StateRestorationPolicy	Defines how this Adapter wants to restore its state after a view reconstruction (e.g.

RecyclerView.EdgeEffectFactory.EdgeDirection
RecyclerView.ItemAnimator.AdapterChanges	The set of flags that might be passed to RecyclerView.ItemAnimator.AdapterChanges.
RecyclerView.Orientation