@Override
      public void processFeature(SourceFeature sourceFeature, FeatureCollector features) {
        features.point(sourceFeature.getString("from"))
          .inheritAttrFromSource("from")
          .setMinZoom(15);
      }
In-memory tests with fake data and profiles to ensure all features work end-to-end.
planetiler-core/src/test/java/com/onthegomap/planetiler/PlanetilerTests.java