final String[] pair = s.split("=");
                    if (pair.length == 1) {
                        return new Pair<>(StringUtil.EMPTY, pair[0].trim());
                    }
                    if (pair.length == 2) {
                        return new Pair<>(pair[0].trim(), pair[1].trim());
                    }
                    return null;
                })

        }
        // Verify reindex targets are original names (not .rebuild.xxx)
        for (final String[] pair : testClient.reindexPairs) {
            assertFalse(pair[1].contains(".rebuild."), "Reindex target should not contain .rebuild.: " + pair[1]);
        }
    }

    @Test
    public void test_reindexConfigIndices_deletesOldBeforeRecreate() {

     *
     * @return An array of pairs of keys and file names.
     */
    @SuppressWarnings("unchecked")
    public Pair<String, String>[] getDesignJspFileNames() {
        return designJspFileNameMap.entrySet().stream().map(e -> new Pair<>(e.getKey(), e.getValue())).toArray(n -> new Pair[n]);
    }

    /**
     * Refreshes the design JSP files for all virtual hosts.
     *

        } else {
            writeJsonResponse(status, message);
        }
    }

    /**
     * Escapes a JSON key-value pair.
     * @param key The key.
     * @param value The value.
     * @return The escaped key-value pair.
     */
    protected String escapeJsonKeyValue(final String key, final String value) {
        return "\"" + key + "\":" + escapeJson(value);
    }

import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.codelibs.core.io.FileUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Pair;
import org.codelibs.core.misc.Tuple3;
import org.codelibs.fess.exception.FessSystemException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.unit.UnitFessTestCase;