import org.gradle.internal.component.model.ExcludeMetadata;

import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;

class IvyConfigurationHelper {

    private final ImmutableList<Artifact> artifactDefinitions;
    private final Map<Artifact, ModuleComponentArtifactMetadata> artifacts;
    private final ImmutableList<Exclude> excludes;

        if (artifacts == null) {
            artifacts = new IdentityHashMap<>();
        }
        IvyConfigurationHelper configurationHelper = new IvyConfigurationHelper(artifactDefinitions, artifacts, excludes, dependencies, componentId);
        ImmutableList<ModuleComponentArtifactMetadata> artifacts = configurationHelper.filterArtifacts(name, hierarchy);