in src/main/java/org/apache/maven/plugins/clean/Cleaner.java [485:498]
public void run() {
var options = EnumSet.noneOf(FileVisitOption.class);
if (cleaner.followSymlinks) {
options.add(FileVisitOption.FOLLOW_LINKS);
}
Path basedir;
while ((basedir = pollNext()) != null) {
try {
Files.walkFileTree(basedir, options, Integer.MAX_VALUE, cleaner);
} catch (IOException e) {
// do not display errors
}
}
}