List<IndexableFilesIterator> () { LOG.assertTrue(shouldSaveStatus()); @NotNull List<IndexableSetContributorDescriptor> descriptors = IndexableSetContributorDescriptor.collectDescriptors(project); synchronized (LOCK) { currentlyCollectedStatus = currentlyCollectedStatus.createWithIndexableSets(getVersion(), descriptors); } return ContainerUtil.flatMap(descriptors, descriptor -> descriptor.toIndexableIterators()); }