# Package org.eclipse.emf.compare.rcp.ui.mergeviewer.item.provider

Interface Summary
IMergeViewerItemContentProvider: Interface for specialized `tree content providers` for the comparison content merge viewer.
IMergeViewerItemProvider: The contract for providers responsible for determining root elements in merge viewers.
IMergeViewerItemProviderConfiguration: The configuration used by `IMergeViewerItemContentProvider`s.
IOptionalProvider: A contract for a provider which can indicate whether it wants to handle a certain object.