if (unpackedValue instanceof Provider) {
            unpackedValue = ((Provider<?>) unpackedValue).getOrNull();
        }
        if (unpackedValue == null) {
            return;
        }
        // From here on, we already unpacked providers, so we can fail if any of the file collections contains a provider which is not present.

    }

    /**
     * Create the input node access hierarchy.
     *
     * For performance reasons, we keep one input node access hierarchy per project,
     * so we only have a factory method here and this is used to create the hierarchy in {@link org.gradle.execution.ProjectExecutionServices}.
     */
    public InputNodeAccessHierarchy createInputHierarchy() {

    String getMainTask() {
        return "check"
    }

    def setup() {
        buildFile << """
            apply plugin: 'java'

            // Necessary to make CC tests pass, though it appears unused here
            ${mavenCentralRepository()}

            dependencies { implementation localGroovy() }

        """
    }

    @Issue("https://github.com/gradle/gradle/issues/21301")

 * Provides access to services required for dependency resolution.
 */
public interface DependencyResolutionServices {
    RepositoryHandler getResolveRepositoryHandler();

    // This method is currently referenced by IDEA, here:
    // https://github.com/JetBrains/intellij-community/blob/de935f2d08d531cb4ecad6594dfe09f55b1f8b6f/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/tooling/builder/VersionCatalogsModelBuilder.java#L50

import javax.inject.Inject;
import java.io.File;

/**
 * Generates Javadocs in a particular way.
 *
 * TODO: We should remove the workarounds here and migrate some of the changes here into the Javadoc task proper.
 */
public abstract class GradleJavadocsPlugin implements Plugin<Project> {

    @Inject
    protected abstract FileSystemOperations getFs();

    @Override

            }
        });
        return loaded.get();
    }

    @Override
    public void loadLocally(HashCode key, Consumer<? super File> reader) {
        // We need to lock other processes out here because garbage collection can be under way in another process
        persistentCache.withFileLock(() -> {
            // Additional locking necessary because of https://github.com/gradle/gradle/issues/3537

                // For some reason some extra files are invalidated between builds apart from the changed files.
                // We assert here that not too many files are invalidated.
                assert expectedNumberOfRetainedFiles * 0.98 <= retainedFilesAtTheBeginningOfTheCurrentBuild
            }

 */

package org.gradle.integtests.fixtures

/**
 * A collection of suggestions to be displayed to the user when a build fails.
 * These where repeated all over the test code, so they are now centralized here.
 */

class SuggestionsMessages {

    public static final String INFO_DEBUG = "Run with --info or --debug option to get more log output."

            }

            dependencies {
                implementation 'com.guardsquare:proguard-gradle:${TestedVersions.proguardGradle}'
            }

            // Configure the validation task here, since there is no ProGuard plugin
            def validationTask = tasks.register('validatePluginWithId_proguard', ValidatePlugins) {

                // for us to not force the user's OS to allocate more page file space, so we'll use the commit limit here.
                windowsMemoryInfo.getCommitLimit(), availableCommitMemory(windowsMemoryInfo)
            );
        } else {
            return new OsMemoryStatusSnapshot(