import javax.annotation.Nullable;

/**
 * A fixed set of criteria to use to bind a single model element.
 */
public class BindingPredicate extends ModelPredicate {
    private final ModelReference<?> reference;

    public BindingPredicate(ModelReference<?> reference) {
        this.reference = reference;
    }

    public ModelReference<?> getReference() {
        return reference;
    }

    private final ModelAction action;
    private final List<BindingPredicate> inputReferences;
    private final Collection<RuleBinder> binders;

    private int inputsBound;
    private final List<ModelBinding> inputBindings;

    public RuleBinder(BindingPredicate subjectReference, List<BindingPredicate> inputReferences, ModelAction action, Collection<RuleBinder> binders) {
        this.action = action;

        private ModelRuleDescriptor descriptor
        private BindingPredicate subjectReference
        private String subjectReferenceBindingPath
        private List<BindingPredicate> inputReferences = []
        private Map<Integer, String> boundInputReferencePaths = [:]

        void subjectReference(ModelReference<?> reference) {
            subjectReference = new BindingPredicate(reference)
        }

 */
abstract class ModelBinding {

    final BindingPredicate predicate;
    final ModelRuleDescriptor referrer;
    final boolean writable;
    protected ModelNodeInternal boundTo;

    protected ModelBinding(ModelRuleDescriptor referrer, BindingPredicate predicate, boolean writable) {
        this.predicate = predicate;
        this.referrer = referrer;

class OneOfTypeBinderCreationListener extends ModelBinding {
    private final Action<ModelBinding> bindAction;

    public OneOfTypeBinderCreationListener(ModelRuleDescriptor descriptor, BindingPredicate predicate, boolean writable, Action<ModelBinding> bindAction) {
        super(descriptor, predicate, writable);
        this.bindAction = bindAction;
    }

    @Override

class PathBinderCreationListener extends ModelBinding {
    private final Action<ModelBinding> bindAction;

    public PathBinderCreationListener(ModelRuleDescriptor descriptor, BindingPredicate predicate, boolean writable, Action<ModelBinding> bindAction) {
        super(descriptor, predicate, writable);
        this.bindAction = bindAction;
    }

    @Override

        }
        return new BindingPredicate(subjectReference.atState(role.getTargetState()));
    }

    private List<BindingPredicate> mapInputs(List<? extends ModelReference<?>> inputs) {
        if (inputs.isEmpty()) {
            return ImmutableList.of();
        }
        ImmutableList.Builder<BindingPredicate> result = ImmutableList.builderWithExpectedSize(inputs.size());

        }
    }

    private void addRule(RuleBinder rule, NodeAtStateIndex index, ModelBinding binding) {
        Reference reference = new Reference(rule, index, binding);
        BindingPredicate predicate = binding.getPredicate();
        if (predicate.getPath() != null) {
            if (predicate.getScope() != null) {
                throw new UnsupportedOperationException("Currently not implemented");

Class <org.gradle.model.internal.registry.BindingPredicate> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (BindingPredicate.java:0)
Class <org.gradle.model.internal.registry.BoringProjectState$1> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (BoringProjectState.java:0)