and:
        1 * delegate.applyImperative(null, plugin)
    }

    def "does not add software types for plugins that are not registered"() {
        def plugin = Mock(Plugin)

        when:
        pluginTarget.applyImperative(null, plugin)

        then:
        1 * softwareTypeRegistry.isRegistered(_) >> false

        and:
        1 * delegate.applyImperative(null, plugin)
    }

        1 * softwareTypeRegistry.register(SoftwareTypePlugin.class, null)

        and:
        1 * delegate.applyImperative(null, plugin)
    }

    def "throws exception when plugins are registered that do not expose software types"() {
        when:
        pluginTarget.applyImperative(null, plugin)

        then: // setup property metadata
        2 * inspectionScheme.getMetadataStore() >> metadataStore

        return imperativeTarget.getConfigurationTargetIdentifier();
    }

    @Override
    public void applyImperative(@Nullable String pluginId, Plugin<?> plugin) {
        imperativeTarget.applyImperative(pluginId, plugin);
    }

    @Override
    public void applyRules(@Nullable String pluginId, Class<?> clazz) {
        target.prepareForRuleBasedPlugins();

public interface PluginTarget {

    // Implementations should not wrap exceptions, this is done in DefaultObjectConfigurationAction

    ConfigurationTargetIdentifier getConfigurationTargetIdentifier();

    void applyImperative(@Nullable String pluginId, Plugin<?> plugin);

    void applyRules(@Nullable String pluginId, Class<?> clazz);

    void applyImperativeRulesHybrid(@Nullable String pluginId, Plugin<?> plugin, Class<?> declaringClass);

    }

    @Override
    public void applyImperative(@Nullable String pluginId, Plugin<?> plugin) {
        TypeToken<?> pluginType = TypeToken.of(plugin.getClass());
        TypeMetadata typeMetadata = inspectionScheme.getMetadataStore().getTypeMetadata(pluginType.getRawType());
        registerSoftwareTypes(typeMetadata);

        delegate.applyImperative(pluginId, plugin);
    }

    @Override

    }

    @Override
    public ConfigurationTargetIdentifier getConfigurationTargetIdentifier() {
        return delegate.getConfigurationTargetIdentifier();
    }

    @Override
    public void applyImperative(@Nullable String pluginId, Plugin<?> plugin) {
        if (softwareTypeRegistry.isRegistered(Cast.uncheckedCast(plugin.getClass()))) {

    }

    @Override
    public ConfigurationTargetIdentifier getConfigurationTargetIdentifier() {
        return target.getConfigurationTargetIdentifier();
    }

    @Override
    public void applyImperative(@Nullable String pluginId, Plugin<?> plugin) {
        // TODO validate that the plugin accepts this kind of argument
        Plugin<T> cast = uncheckedCast(plugin);
        cast.apply(target);
    }

    @Override

        when:
        container.apply(plugin1Class)

        then:
        1 * target.applyImperative(null, { plugin1Class.isInstance(it) })
    }

    def "calls apply on target for id"() {
        when:
        container.apply("plugin")

        then:
        1 * target.applyImperative("plugin", { plugin1Class.isInstance(it) })
    }