final String sessionId = "session123";
        indexUpdater.addFinishedSessionId(sessionId);
        assertTrue(indexUpdater.finishedSessionIdList.contains(sessionId));
    }

    // Test addFinishedSessionId with multiple sessions
    public void test_addFinishedSessionId_multiple() {
        indexUpdater.addFinishedSessionId("session1");
        indexUpdater.addFinishedSessionId("session2");

        };
        ComponentUtil.register(client, "searchEngineClient");

        final String sessionId = "session1";

        assertEquals(1, indexingHelper.deleteBySessionId(sessionId));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("segment", resultMap.get("field"));
        assertEquals(sessionId, resultMap.get("value"));
    }

    public void test_deleteByConfigId() {

    /**
     * Creates a derived session using the given local repository.
     *
     * @param localRepository the new local repository
     * @return the derived session
     * @throws NullPointerException if {@code localRepository} is null
     */
    @Nonnull
    Session withLocalRepository(@Nonnull LocalRepository localRepository);

    /**
     * Creates a derived session using the given remote repositories.
     *

    @Test
    @DisplayName("Test session finalization")
    public void testSessionFinalization() throws CIFSException {
        String sessionId = "test-session-4";
        byte[] salt = preauthService.generatePreauthSalt();

        preauthService.initializeSession(sessionId, salt, PreauthIntegrityService.HASH_ALGO_SHA512);
        assertNotNull(preauthService.getCurrentPreauthHash(sessionId));

        }

        InternalSession iSession = InternalSession.from(configuration.getRepositorySession());
        InternalMavenSession mSession = InternalMavenSession.from(iSession);
        MavenSession session = mSession.getMavenSession();

        session.setProjects(projects);
        session.setAllProjects(session.getProjects());

        return session;
    }

    protected void initRepoSession(

        MavenSession msession =
                new MavenSession(getContainer(), session, mavenExecutionRequest, new DefaultMavenExecutionResult());
        DefaultSession iSession = new DefaultSession(
                msession, resolverRepositorySystem, null, mavenRepositorySystem, new DefaultLookup(container), null);
        InternalSession.associate(session, iSession);

        SessionScope sessionScope = container.lookup(SessionScope.class);

            crawlingInfoHelper.store(sessionId, true);
            fail("Should throw FessSystemException");
        } catch (FessSystemException e) {
            assertEquals("No crawling session.", e.getMessage());
            assertTrue(e.getCause() instanceof RuntimeException);
        }
    }

    public void test_updateParams() {
        final String sessionId = "update-session";

        assertArrayEquals(testKey, rawKey2, "Should still match original");
    }

    @Test
    public void testRemoveSessionKey() {
        String sessionId = "test-session-3";
        keyManager.storeSessionKey(sessionId, testKey, "AES");

        assertTrue(keyManager.hasSessionKey(sessionId), "Key should exist");

        keyManager.removeSessionKey(sessionId);

    }

    /**
     * Extracts the canonical session ID by removing any suffix after the first hyphen.
     * If the session ID contains a hyphen, returns the portion before the first hyphen.
     * Otherwise, returns the original session ID.
     *
     * @param sessionId the session ID to process
     * @return the canonical session ID (portion before first hyphen, or original if no hyphen)
     */

    }

    /**
     * Retrieves the parameters from the most recent crawling session for a given session ID.
     * Returns an empty list if no crawling information is found for the session.
     *
     * @param sessionId the session identifier to find the latest crawling parameters for
     * @return a list of CrawlingInfoParam entities from the latest session, or empty list if none found
     */