def with_contents(contents, separator: self.separator, bracketed: self.bracketed)
      Sass::Script::Value::List.new(contents, separator: separator, bracketed: bracketed)
    end
def with_contents(contents, separator: self.separator, bracketed: self.bracketed)
      Sass::Script::Value::List.new(contents, separator: separator, bracketed: bracketed)
    end
Creates a new list containing `contents` but with the same brackets and
 separators as this object, when interpreted as a list.

 @param contents [Array<Value>] The contents of the new list.
 @param separator [Symbol] The separator of the new list. Defaults to \{#separator}.
 @param bracketed [Boolean] Whether the new list is bracketed. Defaults to \{#bracketed}.
 @return [Sass::Script::Value::List]