# Package org.eclipse.cdt.core.index.provider

Interface Summary
IIndexProvider: An IIndexProvider implementation provides additional indexing information for CDT projects This interface only exists to hold commonality from sub-interfaces.
IPDOMDescriptor: Describes a PDOM format file in the local file system.
IReadOnlyPDOMProvider: This interface is intended for ISVs to implement when plugging a mechanism for read-only/off-line indexes into the CIndex.ReadOnlyPDOMProvider extension point element.