return instance;
    }

    /**
     * Creates a new locked resolvable configuration instance.
     */
    DefaultResolvableConfiguration createResolvable(
        String name,
        ConfigurationsProvider configurationsProvider,
        Factory<ResolutionStrategyInternal> resolutionStrategyFactory,
        RootComponentMetadataBuilder rootComponentMetadataBuilder

        return registerConfiguration(name, configureAction, ResolvableConfiguration.class, n ->
            defaultConfigurationFactory.createResolvable(name, this, resolutionStrategyFactory, rootComponentMetadataBuilder)
        );
    }