void (@NotNull VirtualFile file, @NotNull ContentIterator iterator) { if (myFileBasedIndex.belongsToIndexableFiles(file)) { VfsUtilCore.visitChildrenRecursively(file, new VirtualFileVisitor<Void>() { @Override public boolean visitFile(@NotNull VirtualFile file11) { if (!myFileBasedIndex.belongsToIndexableFiles(file11)) return false; iterator.processFile(file11); return true; } }); } }