/usr/lib/ruby/vendor_ruby/sass/tree/ is in ruby-sass 3.1.15-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/sass/tree/charset_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/comment_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/debug_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/directive_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/each_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/extend_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/for_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/function_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/if_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/import_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/media_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/mixin_def_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/mixin_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/prop_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/return_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/root_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/rule_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/variable_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/base.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/check_nesting.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/convert.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/cssize.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/deep_copy.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/perform.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/set_options.rb
/usr/lib/ruby/vendor_ruby/sass/tree/visitors/to_css.rb
/usr/lib/ruby/vendor_ruby/sass/tree/warn_node.rb
/usr/lib/ruby/vendor_ruby/sass/tree/while_node.rb