public static void putNotNullProperties(
      Map<String, String> properties, String key, String value) {
    if (value != null) {
      properties.put(key, value);
    }
  }
Implementation of {@link MixedFormatCatalog} to support Hive table as base store.
amoro-format-mixed/amoro-mixed-hive/src/main/java/org/apache/amoro/hive/catalog/MixedHiveCatalog.java