openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/wrapObjectWithOptional/afterAssignment.java

// "Wrap using 'java.util.Optional'" "true-preview"
import java.util.Optional;

public class Test {

  void m() {
    Optional<String> o = Optional.of("some string value");
  }

}