*/
    @Test
    public void testPrefix() throws Exception {
        final CopyOptions option = new CopyOptions();
        assertThat(option.prefix(BeanNames.search_()), is(sameInstance(option)));
        assertThat(option.prefix, is("search_"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testBeanDelimiter() throws Exception {
        final CopyOptions option = new CopyOptions();

            return createCharSequence("abc_exclude");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence search_() {
            return createCharSequence("search_");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence abc_() {
            return createCharSequence("abc_");

							<c:if test="${s.index < 3}">
								<la:link
									href="/search?q=${f:u(item)}${fe:facetQuery()}${fe:geoQuery()}">${f:h(item)}</la:link>
							</c:if>
							<c:if test="${3 <= s.index}">
								<la:link styleClass="d-none d-sm-inline-block"
									href="/search?q=${f:u(item)}${fe:facetQuery()}${fe:geoQuery()}">${f:h(item)}</la:link>
							</c:if>
						</c:forEach>
					</p>

							<c:if test="${s.index < 3}">
								<la:link
									href="/search?q=${f:u(item)}${fe:facetQuery()}${fe:geoQuery()}">${f:h(item)}</la:link>
							</c:if>
							<c:if test="${3 <= s.index}">
								<la:link styleClass="d-none d-sm-inline-block"
									href="/search?q=${f:u(item)}${fe:facetQuery()}${fe:geoQuery()}">${f:h(item)}</la:link>
							</c:if>
						</c:forEach>
					</p>

    }

    /**
     * Performs a search using only the main searcher without rank fusion.
     * This method is used when only one searcher is available or configured.
     *
     * @param searcher the main searcher to use for the search operation
     * @param query the search query string
     * @param params search request parameters including pagination and filters

Shinsuke Sugaya <******@****.***> 1472095477 +0900

     */
    @Size(max = 1000)
    public String notificationTo;

    /**
     * Enable or disable search suggestions based on search logs.
     * When enabled, suggestions are generated from previous searches.
     */
    @Size(max = 10)
    public String suggestSearchLog;

    /**
     * Enable or disable search suggestions based on document content.
     * When enabled, suggestions are generated from indexed documents.

          @ParametricNullness E key,
          List<? extends E> list,
          int foundIndex) {
        // Of course, we have to use binary search to find the precise
        // breakpoint...
        int lower = 0;
        int upper = foundIndex;
        // Of course, we have to use binary search to find the precise breakpoint...
        // Everything between lower and upper inclusive compares at <= 0.
        while (lower < upper) {

          @ParametricNullness E key,
          List<? extends E> list,
          int foundIndex) {
        // Of course, we have to use binary search to find the precise
        // breakpoint...
        int lower = 0;
        int upper = foundIndex;
        // Of course, we have to use binary search to find the precise breakpoint...
        // Everything between lower and upper inclusive compares at <= 0.
        while (lower < upper) {

        }
        return name;
    }

    /**
     * Executes a search operation with the specified parameters.
     * This method must be implemented by concrete searcher classes.
     *
     * @param query the search query string
     * @param params the search request parameters including pagination, filters, etc.