import static org.gradle.api.internal.tasks.WorkDependencyResolver.TASK_AS_TASK;

@NonNullApi
public abstract class AbstractTaskDependency implements TaskDependencyContainerInternal {

    @Nullable
    private final TaskDependencyUsageTracker dependencyUsageTracker;

    public AbstractTaskDependency(@Nullable TaskDependencyUsageTracker dependencyUsageTracker) {
        this.dependencyUsageTracker = dependencyUsageTracker;
    }

 * constructor than to use the {@link #add(Object...)} method, as the former will
 * require less memory to store them.
 */
public class DefaultTaskDependency extends AbstractTaskDependency {
    private final ImmutableSet<Object> immutableValues;
    private Set<Object> mutableValues;
    private final TaskResolver resolver;

    public DefaultTaskDependency() {
        this(null, null);
    }