public TupleMappers setColumn(int tupleIndex, String name) {
        columns[tupleIndex - 1] = name;
        return this;
    }
Names a specific column in the mapper.

@param tupleIndex the 1 based index of the TupleX. as in _1, _2 etc.
@param name       the column name to be mapped explicitly
@return Config object for chaining
vavr/src/main/java/org/jdbi/v3/vavr/TupleMappers.java