if (map != null) {
            final String[] queries = map.get(toLowerCase(query));
            if (queries != null) {
                return queries;
            }
        }
        return StringUtil.EMPTY_STRINGS;
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

                        final String lowerGroupDn = fessConfig.getLdapAdminGroupBaseDn().toLowerCase(Locale.ROOT);
                        final String lowerRoleDn = fessConfig.getLdapAdminRoleBaseDn().toLowerCase(Locale.ROOT);
                        processSearchRoles(result, (entryDn, name) -> {
                            final String lowerEntryDn = entryDn.toLowerCase(Locale.ROOT);
                            if (lowerEntryDn.indexOf(lowerGroupDn) != -1) {

                builder.field(CLUSTER_NAME, response.getClusterName());
            }
            if (fieldSet.contains(STATUS)) {
                builder.field(STATUS, response.getStatus().name().toLowerCase(Locale.ROOT));
            }
            if (fieldSet.contains(TIMED_OUT)) {
                builder.field(TIMED_OUT, response.isTimedOut());
            }
            if (fieldSet.contains(NUMBER_OF_NODES)) {

            assertTrue(doc.entrySet().stream()
                    .anyMatch(entry -> entry.getValue().toString().toLowerCase().contains(keywords[0].toLowerCase())), doc.toString());
            assertFalse(doc.entrySet().stream()
                    .anyMatch(entry -> entry.getValue().toString().toLowerCase().contains(keywords[2].toLowerCase())), doc.toString());
        }
    }

    @Test

            engineObj.numberOfPendingTasks = response.getNumberOfPendingTasks();
            engineObj.numberOfInFlightFetch = response.getNumberOfInFlightFetch();
            engineObj.status = response.getStatus().name().toLowerCase(Locale.ROOT);
        } catch (final Exception e) {
            engineObj.status = "red";
            engineObj.exception = e.getMessage();
        }
        return engineObj;
    }

                return true;
            });
        }
        return Collections.emptyList();
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

        final char[] chars = name.toCharArray();
        if (chars.length >= 2 && Character.isUpperCase(chars[0]) && Character.isUpperCase(chars[1])) {
            return name;
        }
        chars[0] = Character.toLowerCase(chars[0]);
        return new String(chars);
    }

    /**
     * JavaBeansの仕様にしたがってキャピタライズを行ないます。大文字が2つ以上続く場合は、小文字にならないので注意してください。
     * <p>
     * 次のように使います．
     * </p>
     *
     * <pre>

        }
        dataStoreMap.put(name.toLowerCase(Locale.ROOT), dataStore);
        dataStoreMap.put(dataStore.getClass().getSimpleName().toLowerCase(Locale.ROOT), dataStore);
    }

    public DataStore getDataStore(final String name) {
        if (name == null) {
            return null;
        }
        return dataStoreMap.get(name.toLowerCase(Locale.ROOT));
    }

    public String[] getDataStoreNames() {

            }
            return contentList.toArray(new String[contentList.size()]);
        }
        return StringUtil.EMPTY_STRINGS;
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

    public void setRegexPrefix(final String regexPrefix) {
        this.regexPrefix = regexPrefix;
    }

    protected String name;

    public String getName() {
        if (name == null) {
            name = StringUtil.decamelize(this.getClass().getSimpleName().replace("Searcher", StringUtil.EMPTY)).toLowerCase(Locale.ENGLISH);
        }
        return name;
    }

    protected abstract SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean);