docs: public static org.inferred.freebuilder.processor.property.Property.Builder from(
        org.inferred.freebuilder.processor.property.Property value) {
      if (value instanceof Rebuildable) {
        return ((Rebuildable) value).toBuilder();
      } else {
        return new org.inferred.freebuilder.processor.property.Property.Builder().mergeFrom(value);
      }
    }