public Set<ResolvedArtifact> getResolvedArtifacts() throws ResolveException {
   rethrowFailure();
   return configuration.getResolvedArtifacts();
 }
 public Set<ResolvedDependency> getFirstLevelModuleDependencies(
     Spec<? super Dependency> dependencySpec) throws ResolveException {
   rethrowFailure();
   return configuration.getFirstLevelModuleDependencies(dependencySpec);
 }
 public void rethrowFailure() throws ResolveException {
   configuration.rethrowFailure();
 }
 public Set<File> getFiles(final Spec<? super Dependency> dependencySpec) throws ResolveException {
   rethrowFailure();
   return configuration.getFilesStrict(dependencySpec);
 }
 public boolean hasError() {
   return configuration.hasError();
 }