code: function installExtensionDlls(source_dir_path, dest_folder_object) {
          var app_files = readDir.readSync(source_dir_path);
          app_files.forEach(function (name) {
              var suffix = name.substring(name.length - ".dll".length);
              if (suffix && suffix.toLowerCase() === ".dll") {
                  AddFileComponent(dest_folder_object, source_dir_path, name);
              }
          });
      }
docs: Install all files with suffix .dll from @source_dir_path