* - A [org.gradle.api.provider.Provider] of any supported type.
     *   The provider's value is resolved recursively.
     * - A [java.util.concurrent.Callable] that returns any supported type.
     *   The callable's return value is resolved recursively.
     *
     * @param path The object to resolve as a `File`.
     * @return The resolved file.
     */
    @Suppress("unused")

   * @throws ExecutionException if {@code callable} throws a checked exception
   * @throws UncheckedExecutionException if {@code callable} throws a {@code RuntimeException}
   * @throws ExecutionError if {@code callable} throws an {@code Error}
   * @since 22.0
   */
  @CanIgnoreReturnValue
  @ParametricNullness
  <T extends @Nullable Object> T callUninterruptiblyWithTimeout(
      Callable<T> callable, long timeoutDuration, TimeUnit timeoutUnit)

     * - A [org.gradle.api.provider.Provider] of any supported type.
     *   The provider's value is resolved recursively.
     * - A [java.util.concurrent.Callable] that returns any supported type.
     *   The callable's return value is resolved recursively.
     *
     * @param path The object to resolve as a `File`.
     * @return The resolved file.
     */
    fun file(path: Any): File

  @Override
  @ParametricNullness
  public <T extends @Nullable Object> T callWithTimeout(
      Callable<T> callable, long timeoutDuration, TimeUnit timeoutUnit) throws ExecutionException {
    checkNotNull(callable);
    checkNotNull(timeoutUnit);
    try {
      return callable.call();
    } catch (RuntimeException e) {
      throw new UncheckedExecutionException(e);
    } catch (Exception e) {

   * @throws ExecutionError if {@code callable} throws an {@code Error}
   * @since 28.0
   */
  @CanIgnoreReturnValue
  @ParametricNullness
  default <T extends @Nullable Object> T callWithTimeout(Callable<T> callable, Duration timeout)
      throws TimeoutException, InterruptedException, ExecutionException {
    return callWithTimeout(callable, toNanosSaturated(timeout), TimeUnit.NANOSECONDS);

        """

        file("src/main/groovy/Caller.groovy") << """
            class Caller {
                private MockIt callable

                Caller(MockIt callable) {
                    this.callable = callable
                }

                void call() {
                   callable.call()
                }
            }
        """
        file("src/test/groovy/TestSpec.groovy") << """

    def "recursively resolves return value of a Callable"() {
        def fileCollection = Mock(FileCollectionInternal)
        def callable = Mock(Callable)

        when:
        visitor.add(callable)

        then:
        1 * callable.call() >> fileCollection
        1 * context.accept(fileCollection)
        0 * context._
    }

    def "resolves a Callable which returns null"() {

    override fun getCallableSymbol(callable: PsiMember): KaCallableSymbol? {
        if (callable !is PsiMethod && callable !is PsiField) return null
        val name = callable.name?.let(Name::identifier) ?: return null
        val containingClass = callable.containingClass ?: return null
        val classSymbol = getNamedClassSymbol(containingClass) ?: return null

  /**
   * Creates a {@code ListenableFutureTask} that will upon running, execute the given {@code
   * Callable}.
   *
   * @param callable the callable task
   * @since 10.0
   */
  public static <V extends @Nullable Object> ListenableFutureTask<V> create(Callable<V> callable) {
    return new ListenableFutureTask<>(callable);
  }

  /**
   * Creates a {@code ListenableFutureTask} that will upon running, execute the given {@code

    }

    public static <OUT, IN> Transformer<OUT, IN> transformer(SerializableTransformer<OUT, IN> transformer) {
        return transformer;
    }

    public static <T> Callable<T> callable(SerializableCallable<T> callable) {
        return callable;
    }

    public static <T, U, R> BiFunction<T, U, R> bifunction(SerializableBiFunction<T, U, R> f) {
        return f;
    }