}
                exitCode.set(1);
            }
        }

        logger.info("Replacing new suggest index.");
        suggestHelper.suggester().switchIndex();

        logger.info("Removing old indices.");
        suggestHelper.suggester().removeDisableIndices();

        return exitCode.get();
    }

    private int purge(final LocalDateTime time) {

        try {
            helper.init();
            assertNotNull(helper.suggester());
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_suggester() {
        try {
            assertNull(suggestHelper.suggester());
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test

            final String[] langs = searchHelper.getLanguages(request, parameter);

            final SuggestHelper suggestHelper = ComponentUtil.getSuggestHelper();
            final SuggestRequestBuilder builder = suggestHelper.suggester().suggest();
            builder.setQuery(parameter.getQuery());
            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));