public ConfigurationsListMetadataFactory(List<? extends LocalConfigurationGraphResolveMetadata> metadata) {
            this.metadata = metadata;
        }

        @Override
        public void visitConsumableConfigurations(Consumer<LocalConfigurationGraphResolveMetadata> visitor) {
            for (LocalConfigurationGraphResolveMetadata configuration : metadata) {
                visitor.accept(configuration);
            }
        }

     *
     * <p>This includes all consumable configurations with and without attributes. Configurations visited
     * by this method may not be suitable for selection via attribute matching.</p>
     */
    void visitConsumableConfigurations(Consumer<LocalConfigurationGraphResolveMetadata> visitor);

    /**
     * Invalidates any caching used for producing configuration metadata.
     */
    void invalidate();

    /**

        ImmutableMap.Builder<String, VariantGraphResolveState> configurationByName = ImmutableMap.builder();

        configurationFactory.visitConsumableConfigurations(configuration -> {
            if (artifactTransformer != null) {
                configuration = configuration.copyWithTransformedArtifacts(artifactTransformer);
            }