@Override
  public boolean isFormatOf(Table table) {
    return table.properties().containsKey(KEY_STORAGE_HANDLER)
        && PAIMON_STORAGE_HANDLER.equalsIgnoreCase(table.properties().get(KEY_STORAGE_HANDLER));
  }
The spark table format implements of paimon
amoro-format-mixed/amoro-mixed-spark/amoro-mixed-spark-3-common/src/main/java/org/apache/amoro/spark/paimon/PaimonSparkFormat.java