docs: public static final void setStringAttribute(Path path, String attribute, String value, LinkOption... options) throws IOException
      {
          attribute = attribute.startsWith("user:") ? attribute : "user:"+attribute;
          if (value != null)
          {
              Files.setAttribute(path, attribute, value.getBytes(UTF_8), options);
          }
          else
          {
              Files.setAttribute(path, attribute, null, options);
          }
      }