docs: @SafeVarargs
  	public final void addInsert(Map<String, Object>... maps) throws SQLException {
  		if (insertNps != null) {
  			addAction(insertNps, insertKeysToColumns, maps);
  			noOfInserts++;
  		} else {
  			throw new RuntimeException("No insert for importer: " + tableName);
  		}
  	}