return propertyWithNoValue().value(value)
    }

    def "finalization checking works empty providers"() {
        given:
        def property = propertyWithNoValue()

        expect:
        !property.isPresent()
        !property.isFinalized()
    }

    def "finalization checking works with simple values"() {
        given:
        def property = propertyWithValue(someValue())

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeoutException;

/**
 * Testing utilities relating to garbage collection finalization.
 *
 * <p>Use this class to test code triggered by finalization, that is, one of the following
 * actions taken by the java garbage collection system:
 *
 * <ul>
 *   <li>invoking the {@code finalize} methods of unreachable objects

  // The number of compression rounds.
  private final int c;
  // The number of finalization rounds.
  private final int d;
  // Two 64-bit keys (represent a single 128-bit key).
  private final long k0;
  private final long k1;

  /**
   * @param c the number of compression rounds (must be positive)
   * @param d the number of finalization rounds (must be positive)
   * @param k0 the first half of the key

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeoutException;

/**
 * Testing utilities relating to garbage collection finalization.
 *
 * <p>Use this class to test code triggered by finalization, that is, one of the following
 * actions taken by the java garbage collection system:
 *
 * <ul>
 *   <li>invoking the {@code finalize} methods of unreachable objects

  // The number of compression rounds.
  private final int c;
  // The number of finalization rounds.
  private final int d;
  // Two 64-bit keys (represent a single 128-bit key).
  private final long k0;
  private final long k1;

  /**
   * @param c the number of compression rounds (must be positive)
   * @param d the number of finalization rounds (must be positive)
   * @param k0 the first half of the key

    /**
     * Adds a task filter to this work graph.
     */
    void addFilter(Spec<Task> filter);

    /**
     * Adds a finalization step to this work graph.
     */
    void addFinalization(BiConsumer<EntryTaskSelector.Context, QueryableExecutionPlan> finalization);

    /**
     * Finalize the work graph for execution, after all work has been scheduled. This method should not schedule any additional work.
     */

         */
        void addFilter(BuildState target, Spec<Task> filter);

        /**
         * Adds a {@link ExecutionPlan} finalization step to the given build.
         */
        void addFinalization(BuildState target, BiConsumer<EntryTaskSelector.Context, QueryableExecutionPlan> finalization);
    }

    /**
     * Adds a filter to the work graph of this build.
     */
    void addFilter(Spec<Task> filter);

    /**
     * Adds a finalization step to the work graph of this build.
     */
    void addFinalization(BiConsumer<EntryTaskSelector.Context, QueryableExecutionPlan> finalization);

    /**
     * Queues the given task for execution. Does not schedule the task, use {@link #scheduleQueuedTasks()} for this.
     */

            List<BiConsumer<EntryTaskSelector.Context, QueryableExecutionPlan>> finalizations = workPlan.finalizations;
            if (!finalizations.isEmpty()) {
                EntryTaskSelectorContext context = new EntryTaskSelectorContext();
                for (BiConsumer<EntryTaskSelector.Context, QueryableExecutionPlan> finalization : finalizations) {
                    finalization.accept(context, workPlan.finalizedPlan.getContents());
                }

		// to crashes being written to the wrong file.
		//
		// So, we duplicate the fd to obtain a private one
		// that cannot be closed by the user.
		// This also alleviates us from concerns about the
		// lifetime and finalization of f.
		// (DupCloseOnExec returns an fd, not a *File, so
		// there is no finalizer, and we are responsible for
		// closing it.)
		//
		// The new fd must be close-on-exec, otherwise if the