///usr/bin/env jbang "$0" "$@" ; exit $?

//JAVA 25+

import java.util.*;

/// Proof: optional-or

/// Source: content/streams/optional-or.yaml

record Config(String value) {}

Optional<Config> primary() { return Optional.empty(); }

Optional<Config> secondary() { return Optional.empty(); }

Optional<Config> defaults() { return Optional.of(new Config("default")); }

void main() {

Optional<Config> cfg = primary()

.or(this::secondary)

.or(this::defaults);

}