assertThat(option.prefix, is("search_"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testBeanDelimiter() throws Exception {
        final CopyOptions option = new CopyOptions();
        assertThat(option.beanDelimiter('#'), is(sameInstance(option)));
        assertThat(option.beanDelimiter, is('#'));
    }

    /**

    public SearchEngineClient searchEngineClient;

    protected static class Options {
        @Option(name = "-s", aliases = "--sessionId", metaVar = "sessionId", usage = "Session ID")
        protected String sessionId;

        @Option(name = "-n", aliases = "--name", metaVar = "name", usage = "Name")
        protected String name;

        @Option(name = "-p", aliases = "--properties", metaVar = "properties", usage = "Properties File")

import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.delete.DeleteRequestBuilder;
import org.opensearch.action.delete.DeleteResponse;
import org.opensearch.action.index.IndexRequestBuilder;
import org.opensearch.action.index.IndexResponse;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;

            final PagingList<SynonymItem> synonymList = file.selectList((synonymPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager
            BeanUtil.copyBeanToBean(synonymList, synonymPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
            synonymList.setPageRangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
            synonymPager.setPageNumberList(synonymList.createPageNumberList());

            setupListCondition(cb, keyMatchPager);
        });

        // update pager
        BeanUtil.copyBeanToBean(keyMatchList, keyMatchPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        keyMatchPager.setPageNumberList(keyMatchList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

            setupListCondition(cb, roleTypePager);
        });

        // update pager
        BeanUtil.copyBeanToBean(roleTypeList, roleTypePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        roleTypePager.setPageNumberList(roleTypeList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

            setupListCondition(cb, failureUrlPager);
        });

        // update pager
        BeanUtil.copyBeanToBean(failureUrlList, failureUrlPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        failureUrlPager.setPageNumberList(failureUrlList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

                                            <c:forEach var="item" items="${webConfigItems}">
                                                <la:option value="${f:u(item.value)}">${f:h(item.label)}</la:option>
                                            </c:forEach>
                                        </la:select>
                                    </div>
                                </div>

            setupListCondition(cb, badWordPager);
        });

        // update pager
        BeanUtil.copyBeanToBean(badWordList, badWordPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        badWordPager.setPageNumberList(
                badWordList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

            ",dataSize=" + dataSize +
            ",grantedAccess=" + grantedAccess +
            ",fileType=" + fileType +
            ",deviceState=" + deviceState +
            ",action=" + action +
            ",serverFid=" + serverFid + "]" );
    }