public static boolean isMixedTableStore(Map<String, String> properties) {
    String format = properties.get(TableProperties.TABLE_FORMAT);
    String tableStore = properties.get(TableProperties.MIXED_FORMAT_TABLE_STORE);
    boolean baseStore = TableProperties.MIXED_FORMAT_TABLE_STORE_BASE.equalsIgnoreCase(tableStore);
    boolean changeStore =
        TableProperties.MIXED_FORMAT_TABLE_STORE_CHANGE.equalsIgnoreCase(tableStore);
    return TableFormat.MIXED_ICEBERG.name().equalsIgnoreCase(format) && (baseStore || changeStore);
  }
Check if an iceberg table is a table store of a mixed-iceberg table.

@param properties table properties of iceberg
@return true if this it a table store.
amoro-format-iceberg/src/main/java/org/apache/amoro/utils/TablePropertyUtil.java