liquibase-core/src/main/java/liquibase/util/csv/opencsv/bean/HeaderColumnNameMappingStrategy.java
public String getColumnName(int col) {
      return ((null != header) && (col < header.length)) ? header[col] : null;
   }
public String getColumnName(int col) {
      return ((null != header) && (col < header.length)) ? header[col] : null;
   }
Get the column name for a given column position.

@param col - column position.
@return - the column name or null if the position is larger than the header array or there is no headers defined.