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;
                })

     * Retrieves parent group information for the specified group ID.
     * @param user The Entra ID user.
     * @param id The group ID to get parent information for.
     * @return A pair containing group names and role names.
     */
    protected Pair<String[], String[]> getParentGroup(final EntraIdUser user, final String id) {
        return getParentGroup(user, id, 0);
    }

    /**

        }
        // 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.
     *

        if (StringUtil.isBlank(ruleString)) {
            return childUrlRuleMap.entrySet().stream().map(e -> new Pair<>(e.getKey(), e.getValue()));
        }
        return Arrays.stream(ruleString.split(","))
                .map(s -> s.split(":"))
                .filter(v -> v.length == 2)
                .map(v -> new Pair<String, String>(v[0].trim(), v[1].trim()));
    }

    /**

        val computedTargetRuntimes = computeTargetRuntimes(projects)

        requireNoOrphanProjects(projects, computedTargetRuntimes)

        val failures = mutableListOf<String>()
        val mutations = mutableListOf<Pair<File, String>>()
        projects.forEach { (path, info) ->
            val declaredComputed = info.details.computedRuntimes
            val actualComputed = computedTargetRuntimes[path] ?: mapOf()

        } 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);
    }

        session.addAssistantMessage("Assistant 2");

        // maxMessages=1 starts at index 3 (Assistant 2) -> go back to index 2 (User 2)
        // Result should keep the last user/assistant pair
        session.trimHistory(1);

        final List<ChatMessage> messages = session.getMessages();
        assertEquals(2, messages.size());
        assertEquals(ChatMessage.ROLE_USER, messages.get(0).getRole());

        final LlmChatRequest request = new LlmChatRequest();
        client.testAddHistoryWithBudget(request, history, 10);
        // Q2 and A2 fit (4 chars), Q1 fits (6 chars), but A1 is too large and skipped
        // Pair integrity: Q1 without A1 => Q1 excluded
        // Result: Q2, A2
        assertEquals(2, request.getMessages().size());
        assertEquals("Q2", request.getMessages().get(0).getContent());

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;