liquibase-core/src/main/java/liquibase/util/csv/opencsv/bean/HeaderColumnNameMappingStrategy.java
protected void createIndexLookup(String[] values) {
      if (indexLookup.isEmpty()) {
         for (int i = 0; i < values.length; i++) {
            indexLookup.put(values[i], i);
         }
      }
   }
protected void createIndexLookup(String[] values) {
      if (indexLookup.isEmpty()) {
         for (int i = 0; i < values.length; i++) {
            indexLookup.put(values[i], i);
         }
      }
   }
Creates an index map of column names to column position.
@param values - array of header values.