public static Map<String, String> baseStoreProperties(
      PrimaryKeySpec keySpec, TableIdentifier changeIdentifier, TableFormat format) {
    Map<String, String> properties = commonMixedProperties(keySpec, format);
    properties.put(
        TableProperties.MIXED_FORMAT_TABLE_STORE, TableProperties.MIXED_FORMAT_TABLE_STORE_BASE);
    if (keySpec.primaryKeyExisted()) {
      properties.put(
          TableProperties.MIXED_FORMAT_CHANGE_STORE_IDENTIFIER, changeIdentifier.toString());
    }
    return properties;
  }
generate properties for base store

@param keySpec key spec,
@param changeIdentifier change store identifier.
@param format table format
@return base store table properties.
amoro-format-iceberg/src/main/java/org/apache/amoro/utils/TablePropertyUtil.java