liquibase-core/src/main/java/liquibase/util/csv/opencsv/bean/HeaderColumnNameTranslateMappingStrategy.java
@Override
   public String getColumnName(int col) {
      return (col < header.length) ? columnMapping.get(header[col].toUpperCase()) : null;
   }
@Override
   public String getColumnName(int col) {
      return (col < header.length) ? columnMapping.get(header[col].toUpperCase()) : null;
   }
Retrieves the column name for a given column position

@param col - column position.
@return - The column name.