Index: kdevplatform/project/abstractfilemanagerplugin.h
===================================================================
--- kdevplatform/project/abstractfilemanagerplugin.h
+++ kdevplatform/project/abstractfilemanagerplugin.h
@@ -103,6 +103,20 @@
      */
     KDirWatch* projectWatcher( IProject* project ) const;
 
+    /**
+     * @return the number of watched directories for the given @p project.
+     *
+     * Stock KDirWatch doesn't currently have a method to query the number of items it watches
+     * but it will be watching just about everything in the project so this returns the file+folder
+     * count as a reasonable approximation.
+     */
+    int watchedItems( IProject* project ) const;
+
+    /**
+     * tell the plugin that the given @p project is going to be closed.
+     */
+    void projectClosing( IProject *project );
+
 Q_SIGNALS:
     void reloadedFileItem(KDevelop::ProjectFileItem* file);
     void reloadedFolderItem(KDevelop::ProjectFolderItem* folder);
Index: kdevplatform/project/abstractfilemanagerplugin.cpp
===================================================================
--- kdevplatform/project/abstractfilemanagerplugin.cpp
+++ kdevplatform/project/abstractfilemanagerplugin.cpp
@@ -661,6 +661,16 @@
     return d->m_watchers.value( project, nullptr );
 }
 
+int AbstractFileManagerPlugin::watchedItems( IProject* project ) const
+{
+    return project->fileSet().size();
+}
+
+void AbstractFileManagerPlugin::projectClosing( IProject *project )
+{
+    d->projectClosing(project);
+}
+
 //END Plugin
 
 #include "moc_abstractfilemanagerplugin.cpp"
Index: kdevplatform/project/tests/CMakeLists.txt
===================================================================
--- kdevplatform/project/tests/CMakeLists.txt
+++ kdevplatform/project/tests/CMakeLists.txt
@@ -21,3 +21,12 @@
     KDev::Tests
     Qt5::QuickWidgets
 )
+
+add_executable(abstractfilemanagerpluginimportbenchmark
+    abstractfilemanagerpluginimportbenchmark.cpp
+)
+ecm_mark_nongui_executable(abstractfilemanagerpluginimportbenchmark)
+target_link_libraries(abstractfilemanagerpluginimportbenchmark
+    KDev::Project
+    KDev::Tests
+)