* (IOException) e.getCause()} throws a {@link ClassCastException} that discards the original
   * exception {@code e} if the cause is not an {@link IOException}, but {@code
   * Throwables.getCauseAs(e, IOException.class)} keeps {@code e} as the {@link
   * ClassCastException}'s cause.
   *
   * @throws ClassCastException if the cause cannot be cast to the expected type. The {@code

            client.execute(RequestDataBuilder.newRequestData().get().url(url).build());
            fail();
        } catch (final MultipleCrawlingAccessException e) {
            // ok
            final Throwable[] causes = e.getCauses();
            assertEquals(5, causes.length);
        }
        assertEquals(1, testListener.startCount);
        assertEquals(5, testListener.requestCount);
        assertEquals(5, testListener.exceptionCount);

            count++;
        }
    }

    /**
     * Returns the array of Throwables that caused this exception.
     * @return The array of Throwables.
     */
    public Throwable[] getCauses() {
        return throwables;
    }

        try {
            Throwable t = cae;
            if (t instanceof final MultipleCrawlingAccessException mcae) {
                final Throwable[] causes = mcae.getCauses();
                if (causes.length > 0) {
                    t = causes[causes.length - 1];
                }
            }

            String errorName;
            final Throwable cause = t.getCause();