public Builder map(String fullyQualifiedColumnNames,ColumnMapper mapper){
  Predicate<ColumnId> columnMatcher=Predicates.includes(fullyQualifiedColumnNames,null);
  rules.add(new MapperRule(columnMatcher,mapper));
  return this;
}

public Builder map ( String fullyQualifiedColumnNames , ColumnMapper mapper ) { Predicate < ColumnId > columnMatcher = Predicates . includes ( fullyQualifiedColumnNames , null ) ; rules . add ( new MapperRule ( columnMatcher , mapper ) ) ; return this ; }
set a mapping function for the columns with fully - qualified names that match the given comma - separated list of regular expression patterns .
