openide/java/java-tests/testData/refactoring/extractMethod/NotNullArgumentLambdaBare.java

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

class C {
    void foo(@NotNull Object o) {
        <selection>Runnable r = () -> bar(o);</selection>
    }

    void bar(@NotNull Object o) {
    }
}