import java.util.Set;

/**
 * This operation represents the work of analyzing the task's inputs plus the calculating the cache key.
 *
 * <p>
 * These two operations should be captured separately, but for historical reasons we don't yet do that.
 * To reproduce this composite operation we capture across executors by starting an operation
 * in {@link MarkSnapshottingInputsStartedStep} and finished in {@link MarkSnapshottingInputsFinishedStep}.
 * </p>

     */
    Model mergeDuplicates(Model model, ModelBuilderRequest request, ModelProblemCollector problems);

    /**
     * Sets default values in the specified model that for technical reasons cannot be set directly in the Modello
     * definition.
     *
     * @param model The model in which to set the default values, must not be {@code null}.

     *
     * Note that reused work times might be different to what it would actually take to execute the work
     * in the current build for a number of reasons:
     *
     * <ul>
     *     <li>reused work could have happened on a remote machine with different hardware capabilities,</li>

	}
	hashes[h] = f
}

// PublicKey represents a public key using an unspecified algorithm.
//
// Although this type is an empty interface for backwards compatibility reasons,
// all public key types in the standard library implement the following interface
//
//	interface{
//	    Equal(x crypto.PublicKey) bool
//	}
//

import org.codehaus.plexus.classworlds.realm.ClassRealm;

/**
 * Caches extension class realms. <strong>Warning:</strong> This is an internal utility interface that is only public
 * for technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted
 * without prior notice.
 *
 */
public interface ExtensionRealmCache {
    /**
     * A cache key.
     */

import org.eclipse.aether.repository.RemoteRepository;

/**
 * Caches plugin artifacts. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 */
public interface PluginArtifactsCache {

    /**
     * A cache key.
     */

	tmp := t.TempDir()

	// Create a tmpfs mount.
	err := syscall.Mount("tmpfs", tmp, "tmpfs", 0, "")
	if testenv.SyscallIsNotSupported(err) {
		// Usually this means lack of CAP_SYS_ADMIN, but there might be
		// other reasons, especially in restricted test environments.
		t.Skipf("requires ability to mount tmpfs (%v)", err)
	} else if err != nil {
		t.Fatalf("mount %s failed: %v", tmp, err)
	}
	t.Cleanup(func() {

import org.eclipse.aether.repository.RemoteRepository;

/**
 * Caches plugin class realms. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 */
public interface PluginRealmCache {
    /**
     * CacheRecord
     */

// the O_DIRECT symbol may not be exposed resulting in a failed build.
//
//
// On illumos an explicit O_DIRECT flag is not necessary for two primary
// reasons. Note that ZFS is effectively the default filesystem on illumos
// systems.
//
// One benefit of using DirectIO on Linux is that the page cache will not be

     */
    void mergeDuplicates(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

    /**
     * Sets default values in the specified model that for technical reasons cannot be set directly in the Modello
     * definition.
     *
     * @param model The model in which to set the default values, must not be {@code null}.