kernl API
    Preparing search index...

    Variable BUILTIN_PUBLISHERConst

    BUILTIN_PUBLISHER: string = ...

    The key shown as the publisher of an applet nobody published. A manifest's catalogue id needs a key, and the all-zero one cannot sign, so it can never collide with a real publisher.

    summary.builtin && summary.publisher === BUILTIN_PUBLISHER; // true