docs: @NonNull
      @Override
      public Uri toUri(@NonNull FtpFile path) {
          String user = "";
          if (!username.isEmpty()) {
              user = username;
              if (!password.isEmpty()) {
                  user += ":" + password;
              }
              user += "@";
          }
          return Uri.parse("ftp://" + user + server + ":" + port + path.getPath());
  
      }