fn get_ignored_comment(comments: &SingleThreadedComments, span: Span) -> Option<String> {
        if let Some(import_comments) = comments.get_leading(span.lo()) {
            for comment in import_comments {
                if let Some(reason) = comment.text.trim().strip_prefix("@boundaries-ignore") {
                    return Some(reason.to_string());
                }
            }
        }

        None
    }
Returns the underlying reason if an import has been marked as ignored
crates/turborepo-lib/src/boundaries/mod.rs