Merge remote-tracking branch 'origin/main'

src/main/java/com/dostalgia/FileUtils.java

@@ -1,5 +1,7 @@
 package com.dostalgia;
 
+import jakarta.annotation.Nonnull;
+
 import java.io.IOException;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
@@ -16,13 +18,13 @@ public final class FileUtils {
         if (!Files.exists(dir)) return;
         Files.walkFileTree(dir, new SimpleFileVisitor<>() {
             @Override
-            public FileVisitResult visitFile(final Path f, final BasicFileAttributes a) throws IOException {
+            public @Nonnull FileVisitResult visitFile(@Nonnull final Path f, @Nonnull final BasicFileAttributes a) throws IOException {
                 Files.delete(f);
                 return FileVisitResult.CONTINUE;
             }
 
             @Override
-            public FileVisitResult postVisitDirectory(final Path d, final IOException e) throws IOException {
+            public @Nonnull FileVisitResult postVisitDirectory(@Nonnull final Path d, final IOException e) throws IOException {
                 Files.delete(d);
                 return FileVisitResult.CONTINUE;
             }