void (final boolean asynchronous) { if (!asynchronous) { ApplicationManager.getApplication().assertWriteIntentLockAcquired(); } for (VirtualFileSystem fileSystem : getPhysicalFileSystems()) { if (fileSystem instanceof CachingVirtualFileSystem) { ((CachingVirtualFileSystem)fileSystem).refreshWithoutFileWatcher(asynchronous); } else { fileSystem.refresh(asynchronous); } } }