public @NotNull @NlsSafe String displayVersionString() {
      var s = "";
      if (variant.displayName != null) s += variant.displayName + ' ';
      s += version;
      if (graalVersion != null) s += " - VM " + graalVersion;
      if (arch == CpuArch.ARM64) s += " - aarch64";
      return s;
    }
public @NotNull @NlsSafe String displayVersionString()