import java.util.Collections;
import java.util.List;
import java.util.Set;

public class InstanceOptionDescriptor implements OptionDescriptor {

    private final Object object;
    private final OptionElement optionElement;
    private final JavaMethod<Object, Collection> optionValueMethod;
    private final boolean clashing;

    InstanceOptionDescriptor(Object object, OptionElement optionElement) {
        this(object, optionElement, null, false);

        given:
        InstanceOptionDescriptor optionC = new InstanceOptionDescriptor(new SomeClass(), optionElement("optionC"))
        InstanceOptionDescriptor optionA = new InstanceOptionDescriptor(new SomeClass(), optionElement("optionA"))
        InstanceOptionDescriptor optionB = new InstanceOptionDescriptor(new SomeClass(), optionElement("optionB"))
        def descriptors = Arrays.asList(optionC, optionA, optionB)

        when:

            if (optionDescriptor instanceof InstanceOptionDescriptor) {
                InstanceOptionDescriptor instanceOptionDescriptor = (InstanceOptionDescriptor) optionDescriptor;
                if (instanceOptionDescriptor.getOptionElement() instanceof BooleanOptionElement) {
                    BooleanOptionElement optionElement = (BooleanOptionElement) instanceOptionDescriptor.getOptionElement();

        for (OptionDescriptor option : options.values()) {
            if (option instanceof InstanceOptionDescriptor) {
                OptionElement optionElement = ((InstanceOptionDescriptor) option).getOptionElement();
                if (optionElement instanceof BooleanOptionElement) {

        reader = new OptionReader()
        builtInOptionCount = TaskOptionsGenerator.BUILT_IN_OPTIONS.size();
    }

    def "can read options linked to setter methods of a task"() {
        when:
        List<InstanceOptionDescriptor> options = TaskOptionsGenerator.generate(new TestClassWithSetters(), reader).getAll()
        then:
        options[0].name == "aFlag"
        options[0].description == "simple flag"

            JavaMethod<Object, Collection> optionValueMethod = cachedOptionValueMethods.get(optionElement);
            options.put(optionElement.getOptionName(), new InstanceOptionDescriptor(target, optionElement, optionValueMethod));
        }
        return options;
    }

    private void loadClassDescriptorInCache(Object target) {

Class <org.gradle.api.internal.tasks.options.InstanceOptionDescriptor> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (InstanceOptionDescriptor.java:0)