code: function() {
          Promise.all([
              µb.assets.put(
                  'selfie/main',
                  JSON.stringify({
                      magic: µb.systemSettings.selfieMagic,
                      availableFilterLists: µb.availableFilterLists,
                  })
              ),
              µb.redirectEngine.toSelfie('selfie/redirectEngine'),
              µb.staticExtFilteringEngine.toSelfie('selfie/staticExtFilteringEngine'),
              µb.staticNetFilteringEngine.toSelfie('selfie/staticNetFilteringEngine'),
          ]).then(( ) => {
              µb.lz4Codec.relinquish();
          });
      }
docs: As of 2018-05-31: JSON.stringify-ing ourselves results in a better baseline memory usage at selfie-load time. For some reasons.