@VisibleForTesting
  public static String getTrashLocation(
      TableIdentifier tableIdentifier, String tableLocation, String customTrashRootLocation) {
    String trashParentLocation;
    if (Strings.isNullOrEmpty(customTrashRootLocation)) {
      trashParentLocation = tableLocation;
    } else {
      trashParentLocation = getTrashParentLocation(tableIdentifier, customTrashRootLocation);
    }
    return trashParentLocation + "/" + DEFAULT_TRASH_DIR;
  }
Get trash location.

@param tableIdentifier - table identifier
@param tableLocation - table root location
@param customTrashRootLocation - from the table property table-trash.custom-root-location
@return trash location
amoro-format-iceberg/src/main/java/org/apache/amoro/io/TableTrashManagers.java