private static NewVirtualFileSystem enterJar(@NotNull NewVirtualFileSystem fs, @NotNull NewVirtualFileSystem currentFS, @NotNull String name) {
    if (name.equals(JarFileSystem.JAR_SEPARATOR) && currentFS instanceof LocalFileSystem) {
      // switch inside jar
      currentFS = fs;
    }
    return currentFS;
  }
private static NewVirtualFileSystem enterJar(@NotNull NewVirtualFileSystem fs, @NotNull NewVirtualFileSystem currentFS, @NotNull String name)