*/
@J2ktIncompatible
@GwtIncompatible
public class UncheckedTimeoutException extends RuntimeException {
  public UncheckedTimeoutException() {}

  public UncheckedTimeoutException(@Nullable String message) {
    super(message);
  }

  public UncheckedTimeoutException(@Nullable Throwable cause) {
    super(cause);
  }

  public UncheckedTimeoutException(@Nullable String message, @Nullable Throwable cause) {

   * exception is propagated to the caller exactly as-is. If, on the other hand, the time limit is
   * reached, the proxy will attempt to abort the call to the target, and will throw an {@link
   * UncheckedTimeoutException} to the caller.
   *
   * <p>It is important to note that the primary purpose of the proxy object is to return control to
   * the caller when the timeout elapses; aborting the target method call is of secondary concern.

      throw e;
    } catch (ExecutionException e) {
      throw throwCause(e, true /* combineStackTraces */);
    } catch (TimeoutException e) {
      future.cancel(true);
      throw new UncheckedTimeoutException(e);
    }
  }

  @CanIgnoreReturnValue
  @Override
  @ParametricNullness
  public <T extends @Nullable Object> T callWithTimeout(