in src/main/java/org/apache/commons/csv/CSVPrinter.java [288:298]
public void printHeaders(final ResultSet resultSet) throws IOException, SQLException {
lock.lock();
try {
try (IOStream<String> stream = IOStream.of(format.builder().setHeader(resultSet).get().getHeader())) {
stream.forEachOrdered(this::print);
}
println();
} finally {
lock.unlock();
}
}