diff --git a/.github/workflows/tasks.yml b/.github/workflows/tasks.yml
index f085e6d..dd00264 100644
--- a/.github/workflows/tasks.yml
+++ b/.github/workflows/tasks.yml
@@ -40,11 +40,46 @@ jobs:
       - run: composer update --with typo3/cms-core:^${{ matrix.typo3 }}
       - run: ./vendor/bin/grumphp run --ansi
 
+  unit-tests:
+    name: "unit php: ${{ matrix.php }} TYPO3: ${{ matrix.typo3 }}"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '8.2', '8.3', '8.4', '8.5' ]
+        typo3: [ '13', '14' ]
+    steps:
+      - name: Setup PHP with PECL extension
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+      - uses: actions/checkout@v6
+      - run: composer update --with typo3/cms-core:^${{ matrix.typo3 }}
+      - run: CI=true ./Build/Scripts/runTests.sh -p ${{ matrix.php }} -s unit
+
+  functional-tests:
+    name: "functional php: ${{ matrix.php }} TYPO3: ${{ matrix.typo3 }} DB: ${{ matrix.dbms }}"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '8.2', '8.3', '8.4', '8.5' ]
+        typo3: [ '13', '14' ]
+        dbms: [ 'sqlite', 'mariadb', 'mysql', 'postgres' ]
+    steps:
+      - name: Setup PHP with PECL extension
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+      - uses: actions/checkout@v6
+      - run: composer update --with typo3/cms-core:^${{ matrix.typo3 }}
+      - run: CI=true ./Build/Scripts/runTests.sh -p ${{ matrix.php }} -d ${{ matrix.dbms }} -s functional
+
   ter-release:
     name: Publish new version to TER
     runs-on: ubuntu-latest
     if: startsWith(github.ref, 'refs/tags/')
-    needs: [ lint-php ]
+    needs: [ lint-php, unit-tests, functional-tests ]
     env:
       TYPO3_API_TOKEN: ${{ secrets.TYPO3_API_TOKEN }}
 
diff --git a/.gitignore b/.gitignore
index 03089d8..1076919 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /.idea/
+/.phpunit.cache/
 /var/
 /vendor/
 /composer.lock
diff --git a/Build/Scripts/runTests.sh b/Build/Scripts/runTests.sh
new file mode 100755
index 0000000..5f02819
--- /dev/null
+++ b/Build/Scripts/runTests.sh
@@ -0,0 +1,287 @@
+#!/usr/bin/env bash
+
+set -eu
+
+if [ "${CI:-}" != "true" ]; then
+    trap 'echo "runTests.sh SIGINT signal emitted"; cleanUp; exit 2' SIGINT
+fi
+
+cleanUp() {
+    # remove the infinite recursion symlink
+    rm -rf ./public/typo3temp/var/tests/functional-*/typo3conf/ext/visual_editor
+    if [ -n "${NETWORK_CREATED:-}" ]; then
+        ATTACHED_CONTAINERS=$(${CONTAINER_BIN} ps --filter network=${NETWORK} --format='{{.Names}}' 2>/dev/null || true)
+        for ATTACHED_CONTAINER in ${ATTACHED_CONTAINERS}; do
+            ${CONTAINER_BIN} kill ${ATTACHED_CONTAINER} >/dev/null 2>&1 || true
+        done
+        ${CONTAINER_BIN} network rm ${NETWORK} >/dev/null 2>&1 || true
+    fi
+}
+
+waitFor() {
+    local HOST=${1}
+    local PORT=${2}
+    [[ -n "${3:-}" ]] && echo -n "Startup wait of $3 ... " && sleep "$3" && echo "done"
+    local TESTCOMMAND="
+        COUNT=0;
+        while ! nc -z ${HOST} ${PORT}; do
+            if [ \"\${COUNT}\" -gt 30 ]; then
+                echo \"Can not connect to ${HOST} port ${PORT}. Aborting.\";
+                exit 1;
+            fi;
+            sleep 1;
+            COUNT=\$((COUNT + 1));
+        done;
+    "
+    ${CONTAINER_BIN} run ${CONTAINER_COMMON_PARAMS} --name wait-for-${SUFFIX} ${XDEBUG_MODE} -e XDEBUG_CONFIG="${XDEBUG_CONFIG}" ${IMAGE_ALPINE} /bin/sh -c "${TESTCOMMAND}"
+    if [[ $? -gt 0 ]]; then
+        kill -SIGINT -$$
+    fi
+}
+
+handleDbmsOptions() {
+    case ${DBMS} in
+        mariadb)
+            if [ -z "${DATABASE_DRIVER}" ]; then
+                DATABASE_DRIVER="mysqli"
+            fi
+            if [ "${DATABASE_DRIVER}" != "mysqli" ] && [ "${DATABASE_DRIVER}" != "pdo_mysql" ]; then
+                echo "Invalid combination -d ${DBMS} -a ${DATABASE_DRIVER}" >&2
+                exit 1
+            fi
+            if [ -z "${DBMS_VERSION}" ]; then
+                DBMS_VERSION="10.11"
+            fi
+            ;;
+        mysql)
+            if [ -z "${DATABASE_DRIVER}" ]; then
+                DATABASE_DRIVER="mysqli"
+            fi
+            if [ "${DATABASE_DRIVER}" != "mysqli" ] && [ "${DATABASE_DRIVER}" != "pdo_mysql" ]; then
+                echo "Invalid combination -d ${DBMS} -a ${DATABASE_DRIVER}" >&2
+                exit 1
+            fi
+            if [ -z "${DBMS_VERSION}" ]; then
+                DBMS_VERSION="8.4"
+            fi
+            ;;
+        postgres)
+            if [ -n "${DATABASE_DRIVER}" ]; then
+                echo "Invalid combination -d ${DBMS} -a ${DATABASE_DRIVER}" >&2
+                exit 1
+            fi
+            if [ -z "${DBMS_VERSION}" ]; then
+                DBMS_VERSION="16"
+            fi
+            ;;
+        sqlite)
+            if [ -n "${DATABASE_DRIVER}" ]; then
+                echo "Invalid combination -d ${DBMS} -a ${DATABASE_DRIVER}" >&2
+                exit 1
+            fi
+            if [ -n "${DBMS_VERSION}" ]; then
+                echo "Invalid combination -d ${DBMS} -i ${DBMS_VERSION}" >&2
+                exit 1
+            fi
+            ;;
+        *)
+            echo "Invalid option -d ${DBMS}" >&2
+            exit 1
+            ;;
+    esac
+}
+
+loadHelp() {
+    read -r -d '' HELP <<EOF || true
+Usage: $0 [options] [phpunit args]
+
+Options:
+  -s <unit|functional>    Test suite to run
+  -b <docker|podman>      Container runtime
+  -p <8.2|8.3|8.4|8.5>    PHP version (default: 8.2)
+  -d <sqlite|mariadb|mysql|postgres>
+                          Functional DBMS (default: sqlite)
+  -a <mysqli|pdo_mysql>   DB driver for mysql/mariadb
+  -i <version>            Specific DBMS version
+  -x                      Enable xdebug
+  -y <port>               Xdebug port (default: 9003)
+  -h                      Show help
+
+Examples:
+  ./Build/Scripts/runTests.sh -s unit
+  ./Build/Scripts/runTests.sh -s functional
+  ./Build/Scripts/runTests.sh -s functional -d sqlite -- --filter LocalizationServiceTest
+EOF
+}
+
+if ! type "docker" >/dev/null 2>&1 && ! type "podman" >/dev/null 2>&1; then
+    echo "This script relies on docker or podman. Please install one of them." >&2
+    exit 1
+fi
+
+THIS_SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd "$THIS_SCRIPT_DIR" || exit 1
+cd ../../ || exit 1
+CORE_ROOT="${PWD}"
+
+TEST_SUITE="help"
+DBMS="sqlite"
+DBMS_VERSION=""
+PHP_VERSION="8.2"
+PHP_XDEBUG_ON=0
+PHP_XDEBUG_PORT=9003
+DATABASE_DRIVER=""
+CONTAINER_BIN=""
+CONTAINER_INTERACTIVE="-it --init"
+CONTAINER_HOST="host.docker.internal"
+HOST_UID=$(id -u)
+HOST_PID=$(id -g)
+USERSET=""
+SUFFIX=$(echo $RANDOM)
+NETWORK="visual-editor-${SUFFIX}"
+NETWORK_CREATED=""
+NETWORK_PARAM=""
+
+if [ "${CI:-}" = "true" ]; then
+    CONTAINER_INTERACTIVE=""
+fi
+
+OPTIND=1
+while getopts "a:b:s:d:i:p:xy:h" OPT; do
+    case ${OPT} in
+        s) TEST_SUITE=${OPTARG} ;;
+        b) CONTAINER_BIN=${OPTARG} ;;
+        a) DATABASE_DRIVER=${OPTARG} ;;
+        d) DBMS=${OPTARG} ;;
+        i) DBMS_VERSION=${OPTARG} ;;
+        p) PHP_VERSION=${OPTARG} ;;
+        x) PHP_XDEBUG_ON=1 ;;
+        y) PHP_XDEBUG_PORT=${OPTARG} ;;
+        h) TEST_SUITE="help" ;;
+        *) TEST_SUITE="help" ;;
+    esac
+done
+
+handleDbmsOptions
+
+if [[ -z "${CONTAINER_BIN}" ]]; then
+    if type "docker" >/dev/null 2>&1; then
+        CONTAINER_BIN="docker"
+    else
+        CONTAINER_BIN="podman"
+    fi
+fi
+
+if ! type "${CONTAINER_BIN}" >/dev/null 2>&1; then
+    echo "Selected container environment \"${CONTAINER_BIN}\" not found." >&2
+    exit 1
+fi
+
+if [ "$(uname)" != "Darwin" ] && [ "${CONTAINER_BIN}" = "docker" ]; then
+    USERSET="--user ${HOST_UID}"
+fi
+
+IMAGE_PHP="ghcr.io/typo3/core-testing-$(echo "php${PHP_VERSION}" | sed -e 's/\.//'):latest"
+IMAGE_ALPINE="docker.io/alpine:3.8"
+IMAGE_MARIADB="docker.io/mariadb:${DBMS_VERSION}"
+IMAGE_MYSQL="docker.io/mysql:${DBMS_VERSION}"
+IMAGE_POSTGRES="docker.io/postgres:${DBMS_VERSION}-alpine"
+
+shift $((OPTIND - 1))
+
+mkdir -p .cache public/typo3temp/var/tests
+
+if [ "${TEST_SUITE}" = "functional" ] && [ "${DBMS}" != "sqlite" ]; then
+    if [ "${CONTAINER_BIN}" = "docker" ]; then
+        NETWORK_PARAM="--network bridge"
+    else
+        ${CONTAINER_BIN} network create ${NETWORK} >/dev/null
+        NETWORK_CREATED=1
+        NETWORK_PARAM="--network ${NETWORK}"
+    fi
+fi
+
+if [ "${CONTAINER_BIN}" = "docker" ]; then
+    CONTAINER_COMMON_PARAMS="${CONTAINER_INTERACTIVE} --rm --add-host ${CONTAINER_HOST}:host-gateway ${USERSET} -e TYPO3_PATH_ROOT=${CORE_ROOT}/public -e TYPO3_PATH_WEB=${CORE_ROOT}/public -v ${CORE_ROOT}:${CORE_ROOT} -w ${CORE_ROOT}"
+else
+    CONTAINER_HOST="host.containers.internal"
+    CONTAINER_COMMON_PARAMS="${CONTAINER_INTERACTIVE} --rm -e TYPO3_PATH_ROOT=${CORE_ROOT}/public -e TYPO3_PATH_WEB=${CORE_ROOT}/public -v ${CORE_ROOT}:${CORE_ROOT} -w ${CORE_ROOT}"
+fi
+
+if [ -n "${NETWORK_PARAM}" ]; then
+    CONTAINER_COMMON_PARAMS="${CONTAINER_COMMON_PARAMS} ${NETWORK_PARAM}"
+fi
+
+if [ ${PHP_XDEBUG_ON} -eq 0 ]; then
+    XDEBUG_MODE="-e XDEBUG_MODE=off"
+    XDEBUG_CONFIG=" "
+else
+    XDEBUG_MODE="-e XDEBUG_MODE=debug -e XDEBUG_TRIGGER=foo"
+    XDEBUG_CONFIG="client_port=${PHP_XDEBUG_PORT} client_host=${CONTAINER_HOST}"
+fi
+
+SUITE_EXIT_CODE=1
+case ${TEST_SUITE} in
+    unit)
+        ${CONTAINER_BIN} run ${CONTAINER_COMMON_PARAMS} --name unit-${SUFFIX} ${XDEBUG_MODE} -e XDEBUG_CONFIG="${XDEBUG_CONFIG}" ${IMAGE_PHP} vendor/bin/phpunit -c Build/phpunit/UnitTests.xml "$@"
+        SUITE_EXIT_CODE=$?
+        ;;
+    functional)
+        COMMAND=(vendor/bin/phpunit -c Build/phpunit/FunctionalTests.xml --exclude-group not-${DBMS} "$@")
+        case ${DBMS} in
+            mariadb)
+                ${CONTAINER_BIN} run --rm --name mariadb-func-${SUFFIX} ${NETWORK_PARAM} -d -e MYSQL_ROOT_PASSWORD=funcp --tmpfs /var/lib/mysql/:rw,noexec,nosuid ${IMAGE_MARIADB} >/dev/null
+                DATABASE_HOST=mariadb-func-${SUFFIX}
+                if [ "${CONTAINER_BIN}" = "docker" ]; then
+                    DATABASE_HOST=$(${CONTAINER_BIN} inspect -f '{{range.NetworkSettings.Networks}}{{.IPAddress}}{{end}}' mariadb-func-${SUFFIX})
+                fi
+                waitFor ${DATABASE_HOST} 3306
+                CONTAINERPARAMS="-e typo3DatabaseDriver=${DATABASE_DRIVER} -e typo3DatabaseName=func_test -e typo3DatabaseUsername=root -e typo3DatabaseHost=${DATABASE_HOST} -e typo3DatabasePassword=funcp"
+                ${CONTAINER_BIN} run --rm ${CONTAINER_COMMON_PARAMS} --name functional-${SUFFIX} ${XDEBUG_MODE} -e XDEBUG_CONFIG="${XDEBUG_CONFIG}" ${CONTAINERPARAMS} ${IMAGE_PHP} "${COMMAND[@]}"
+                SUITE_EXIT_CODE=$?
+                ;;
+            mysql)
+                ${CONTAINER_BIN} run --rm --name mysql-func-${SUFFIX} ${NETWORK_PARAM} -d -e MYSQL_ROOT_PASSWORD=funcp --tmpfs /var/lib/mysql/:rw,noexec,nosuid ${IMAGE_MYSQL} >/dev/null
+                DATABASE_HOST=mysql-func-${SUFFIX}
+                if [ "${CONTAINER_BIN}" = "docker" ]; then
+                    DATABASE_HOST=$(${CONTAINER_BIN} inspect -f '{{range.NetworkSettings.Networks}}{{.IPAddress}}{{end}}' mysql-func-${SUFFIX})
+                fi
+                waitFor ${DATABASE_HOST} 3306 2
+                CONTAINERPARAMS="-e typo3DatabaseDriver=${DATABASE_DRIVER} -e typo3DatabaseName=func_test -e typo3DatabaseUsername=root -e typo3DatabaseHost=${DATABASE_HOST} -e typo3DatabasePassword=funcp"
+                ${CONTAINER_BIN} run --rm ${CONTAINER_COMMON_PARAMS} --name functional-${SUFFIX} ${XDEBUG_MODE} -e XDEBUG_CONFIG="${XDEBUG_CONFIG}" ${CONTAINERPARAMS} ${IMAGE_PHP} "${COMMAND[@]}"
+                SUITE_EXIT_CODE=$?
+                ;;
+            postgres)
+                ${CONTAINER_BIN} run --rm --name postgres-func-${SUFFIX} ${NETWORK_PARAM} -d -e POSTGRES_PASSWORD=funcp -e POSTGRES_USER=funcu --tmpfs /var/lib/postgresql/data:rw,noexec,nosuid ${IMAGE_POSTGRES} >/dev/null
+                DATABASE_HOST=postgres-func-${SUFFIX}
+                if [ "${CONTAINER_BIN}" = "docker" ]; then
+                    DATABASE_HOST=$(${CONTAINER_BIN} inspect -f '{{range.NetworkSettings.Networks}}{{.IPAddress}}{{end}}' postgres-func-${SUFFIX})
+                fi
+                waitFor ${DATABASE_HOST} 5432
+                CONTAINERPARAMS="-e typo3DatabaseDriver=pdo_pgsql -e typo3DatabaseName=func_test -e typo3DatabaseUsername=funcu -e typo3DatabaseHost=${DATABASE_HOST} -e typo3DatabasePassword=funcp"
+                ${CONTAINER_BIN} run --rm ${CONTAINER_COMMON_PARAMS} --name functional-${SUFFIX} ${XDEBUG_MODE} -e XDEBUG_CONFIG="${XDEBUG_CONFIG}" ${CONTAINERPARAMS} ${IMAGE_PHP} "${COMMAND[@]}"
+                SUITE_EXIT_CODE=$?
+                ;;
+            sqlite)
+                rm -rf "${CORE_ROOT}/public/typo3temp/var/tests/functional-sqlite-dbs"
+                mkdir -p "${CORE_ROOT}/public/typo3temp/var/tests/functional-sqlite-dbs/"
+                CONTAINERPARAMS="-e typo3DatabaseDriver=pdo_sqlite"
+                ${CONTAINER_BIN} run --rm ${CONTAINER_COMMON_PARAMS} --name functional-${SUFFIX} ${XDEBUG_MODE} -e XDEBUG_CONFIG="${XDEBUG_CONFIG}" ${CONTAINERPARAMS} ${IMAGE_PHP} "${COMMAND[@]}"
+                SUITE_EXIT_CODE=$?
+                ;;
+        esac
+        ;;
+    help)
+        loadHelp
+        echo "${HELP}"
+        SUITE_EXIT_CODE=0
+        ;;
+    *)
+        loadHelp
+        echo "${HELP}" >&2
+        SUITE_EXIT_CODE=1
+        ;;
+esac
+
+cleanUp
+exit ${SUITE_EXIT_CODE}
diff --git a/Build/phpunit/FunctionalTests.xml b/Build/phpunit/FunctionalTests.xml
new file mode 100644
index 0000000..ffcf336
--- /dev/null
+++ b/Build/phpunit/FunctionalTests.xml
@@ -0,0 +1,28 @@
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.2/phpunit.xsd"
+    backupGlobals="true"
+    bootstrap="FunctionalTestsBootstrap.php"
+    cacheDirectory="../../var/.phpunit.cache"
+    cacheResult="false"
+    colors="true"
+    displayDetailsOnTestsThatTriggerDeprecations="true"
+    displayDetailsOnTestsThatTriggerErrors="true"
+    displayDetailsOnTestsThatTriggerNotices="true"
+    displayDetailsOnTestsThatTriggerWarnings="true"
+    failOnDeprecation="false"
+    failOnNotice="true"
+    failOnRisky="true"
+    failOnWarning="true"
+    requireCoverageMetadata="false"
+>
+    <testsuites>
+        <testsuite name="Functional tests">
+            <directory>../../Tests/Functional/</directory>
+        </testsuite>
+    </testsuites>
+    <php>
+        <ini name="display_errors" value="1"/>
+        <env name="TYPO3_CONTEXT" value="Testing"/>
+    </php>
+</phpunit>
diff --git a/Build/phpunit/FunctionalTestsBootstrap.php b/Build/phpunit/FunctionalTestsBootstrap.php
new file mode 100644
index 0000000..69e352a
--- /dev/null
+++ b/Build/phpunit/FunctionalTestsBootstrap.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+use TYPO3\TestingFramework\Core\Testbase;
+
+(static function (): void {
+    $testbase = new Testbase();
+    $testbase->defineOriginalRootPath();
+
+    $webRoot = $testbase->getWebRoot();
+    $testbase->createDirectory($webRoot . 'typo3temp/var/tests');
+    $testbase->createDirectory($webRoot . 'typo3temp/var/transient');
+})();
diff --git a/Build/phpunit/UnitTests.xml b/Build/phpunit/UnitTests.xml
new file mode 100644
index 0000000..994da9c
--- /dev/null
+++ b/Build/phpunit/UnitTests.xml
@@ -0,0 +1,28 @@
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.2/phpunit.xsd"
+    backupGlobals="true"
+    bootstrap="UnitTestsBootstrap.php"
+    cacheDirectory="../../var/.phpunit.cache"
+    cacheResult="false"
+    colors="true"
+    displayDetailsOnTestsThatTriggerDeprecations="true"
+    displayDetailsOnTestsThatTriggerErrors="true"
+    displayDetailsOnTestsThatTriggerNotices="true"
+    displayDetailsOnTestsThatTriggerWarnings="true"
+    failOnDeprecation="false"
+    failOnNotice="true"
+    failOnRisky="true"
+    failOnWarning="true"
+    requireCoverageMetadata="false"
+>
+    <testsuites>
+        <testsuite name="Unit tests">
+            <directory>../../Tests/Unit/</directory>
+        </testsuite>
+    </testsuites>
+    <php>
+        <ini name="display_errors" value="1"/>
+        <env name="TYPO3_CONTEXT" value="Testing"/>
+    </php>
+</phpunit>
diff --git a/Build/phpunit/UnitTestsBootstrap.php b/Build/phpunit/UnitTestsBootstrap.php
new file mode 100644
index 0000000..5c93d21
--- /dev/null
+++ b/Build/phpunit/UnitTestsBootstrap.php
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+use TYPO3\TestingFramework\Core\Testbase;
+use TYPO3\CMS\Core\Core\SystemEnvironmentBuilder;
+use TYPO3\CMS\Core\Core\Environment;
+use TYPO3\CMS\Core\Core\Bootstrap;
+use TYPO3\CMS\Core\Configuration\ConfigurationManager;
+use TYPO3\CMS\Core\Cache\Frontend\PhpFrontend;
+use TYPO3\CMS\Core\Cache\Backend\NullBackend;
+use TYPO3\CMS\Core\Package\UnitTestPackageManager;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Package\PackageManager;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
+
+(static function (): void {
+    $testbase = new Testbase();
+
+    if (!getenv('TYPO3_PATH_ROOT')) {
+        putenv('TYPO3_PATH_ROOT=' . rtrim($testbase->getWebRoot(), '/'));
+    }
+
+    if (!getenv('TYPO3_PATH_WEB')) {
+        putenv('TYPO3_PATH_WEB=' . rtrim($testbase->getWebRoot(), '/'));
+    }
+
+    $testbase->defineSitePath();
+
+    $requestType = SystemEnvironmentBuilder::REQUESTTYPE_BE | SystemEnvironmentBuilder::REQUESTTYPE_CLI;
+    SystemEnvironmentBuilder::run(0, $requestType);
+
+    $testbase->createDirectory(Environment::getPublicPath() . '/typo3conf/ext');
+    $testbase->createDirectory(Environment::getPublicPath() . '/typo3temp/assets');
+    $testbase->createDirectory(Environment::getPublicPath() . '/typo3temp/var/tests');
+    $testbase->createDirectory(Environment::getPublicPath() . '/typo3temp/var/transient');
+
+    $classLoader = require $testbase->getPackagesPath() . '/autoload.php';
+    Bootstrap::initializeClassLoader($classLoader);
+
+    $configurationManager = new ConfigurationManager();
+    $GLOBALS['TYPO3_CONF_VARS'] = $configurationManager->getDefaultConfiguration();
+
+    $cache = new PhpFrontend(
+        'core',
+        new NullBackend('production', [])
+    );
+    $packageManager = Bootstrap::createPackageManager(
+        UnitTestPackageManager::class,
+        Bootstrap::createPackageCache($cache)
+    );
+    GeneralUtility::setSingletonInstance(PackageManager::class, $packageManager);
+    ExtensionManagementUtility::setPackageManager($packageManager);
+
+    $testbase->dumpClassLoadingInformation();
+
+    GeneralUtility::purgeInstances();
+})();
diff --git a/Build/settings.php b/Build/settings.php
new file mode 100644
index 0000000..697b431
--- /dev/null
+++ b/Build/settings.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'BE' => [
+        'debug' => true,
+        'installToolPassword' => 'foo',
+    ],
+    'DB' => [
+        'Connections' => [
+            'Default' => [
+                'charset' => 'utf8mb4',
+                'dbname' => getenv('typo3DatabaseName') !== false ? getenv('typo3DatabaseName') . '_at' : '',
+                'driver' => getenv('typo3DatabaseDriver') ?: 'mysqli',
+                'host' => getenv('typo3DatabaseHost') ?: '',
+                'password' => getenv('typo3DatabasePassword') ?: '',
+                'port' => (int)(getenv('typo3DatabasePort') ?: 3306),
+                'defaultTableOptions' => [
+                    'charset' => 'utf8mb4',
+                    'collation' => 'utf8mb4_unicode_ci',
+                ],
+                'user' => getenv('typo3DatabaseUsername') ?: '',
+            ],
+        ],
+    ],
+    'SYS' => [
+        'encryptionKey' => '2db7840443af8743e79865b25fcb7ea3c2684074f0924e676c90ddb31cad71fa5178e7c98de90dbc8b42bcc8d352402d',
+        'sitename' => 'visual_editor-tests',
+        'trustedHostsPattern' => '.*.*',
+    ],
+];
diff --git a/Classes/Service/LocalizationService.php b/Classes/Service/LocalizationService.php
index aafded6..a5bb61c 100644
--- a/Classes/Service/LocalizationService.php
+++ b/Classes/Service/LocalizationService.php
@@ -15,7 +15,7 @@
      */
     public function tryTranslation(string $label, ?array $arguments = null, Locale|string|null $languageKey = null): string
     {
-        $languageKey ??=  $this->getBackendUserLanguage();
+        $languageKey ??= $this->getBackendUserLanguage();
 
         try {
             return LocalizationUtility::translate($label, null, $arguments, $languageKey)
@@ -27,11 +27,6 @@ public function tryTranslation(string $label, ?array $arguments = null, Locale|s
 
     public function getBackendUserLanguage(): ?string
     {
-        $backendUserAuthentication = $GLOBALS['BE_USER'];
-        if ($backendUserAuthentication?->user['lang'] !== null) {
-            return $backendUserAuthentication->user['lang'];
-        }
-
-        return null;
+        return $GLOBALS['BE_USER']?->user['lang'] ?? null;
     }
 }
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Command/ListPostCommand.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Command/ListPostCommand.php
new file mode 100644
index 0000000..5c63b0c
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Command/ListPostCommand.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Command;
+
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3Tests\BlogExample\Domain\Repository\PostRepository;
+
+#[AsCommand('blogxample:listpost', 'List Posts')]
+class ListPostCommand extends Command
+{
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+        $io->title($this->getDescription());
+
+        $repository = GeneralUtility::makeInstance(PostRepository::class);
+        $result = [];
+        $io->success(sprintf('Found %d posts:', count($repository->findAll())));
+
+        return Command::SUCCESS;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/BlogController.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/BlogController.php
new file mode 100644
index 0000000..a92561e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/BlogController.php
@@ -0,0 +1,132 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Controller;
+
+use Psr\Http\Message\ResponseInterface;
+use TYPO3\CMS\Extbase\Attribute\IgnoreValidation;
+use TYPO3\CMS\Extbase\Http\ForwardResponse;
+use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
+use TYPO3\CMS\Extbase\Mvc\View\JsonView;
+use TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapFactory;
+use TYPO3\CMS\Extbase\Reflection\ObjectAccess;
+use TYPO3Tests\BlogExample\Domain\Model\Blog;
+use TYPO3Tests\BlogExample\Domain\Model\Post;
+use TYPO3Tests\BlogExample\Domain\Repository\BlogRepository;
+
+class BlogController extends ActionController
+{
+    public function __construct(
+        private readonly BlogRepository $blogRepository,
+        private readonly DataMapFactory $dataMapFactory
+    ) {
+        $this->defaultViewObjectName = JsonView::class;
+    }
+
+    public function listAction(): ResponseInterface
+    {
+        $blogs = $this->blogRepository->findAll();
+        $value = [];
+        $value[$this->getRuntimeIdentifier()] = $this->getStructure($blogs);
+
+        $this->view->assign('value', $value);
+
+        return $this->htmlResponse();
+    }
+
+    public function detailsAction(?Blog $blog = null): ResponseInterface
+    {
+        return $this->htmlResponse($blog ? $blog->getTitle() : '');
+    }
+
+    public function testSingleAction(Blog $blog): ResponseInterface
+    {
+        return $this->htmlResponse($blog->getTitle());
+    }
+
+    public function testFormAction(): ResponseInterface
+    {
+        return $this->htmlResponse('testFormAction');
+    }
+
+    public function testForwardAction(#[IgnoreValidation] Post $blogPost): ForwardResponse
+    {
+        return (new ForwardResponse('testForwardTarget'))->withArguments(['blogPost' => $blogPost]);
+    }
+
+    public function testForwardTargetAction(Post $blogPost): ResponseInterface
+    {
+        return $this->htmlResponse('testForwardTargetAction');
+    }
+
+    public function testRelatedObjectAction(Blog $blog, ?Post $blogPost = null): ResponseInterface
+    {
+        return $this->htmlResponse('testRelatedObject');
+    }
+
+    /**
+     * Disable the default error flash message, otherwise we get an error because the flash message
+     * session handling is not available during functional tests.
+     */
+    protected function getErrorFlashMessage(): bool
+    {
+        return false;
+    }
+
+    /**
+     * @param \Iterator|\TYPO3\CMS\Extbase\DomainObject\AbstractEntity[] $iterator
+     */
+    protected function getStructure(\Iterator|array $iterator): array
+    {
+        $structure = [];
+
+        if (!$iterator instanceof \Iterator) {
+            $iterator = [$iterator];
+        }
+
+        foreach ($iterator as $entity) {
+            $dataMap = $this->dataMapFactory->buildDataMap(get_class($entity));
+            $identifier = $dataMap->tableName . ':' . $entity->getUid();
+            $properties = ObjectAccess::getGettableProperties($entity);
+
+            $structureItem = [];
+            foreach ($properties as $propertyName => $propertyValue) {
+                $columnMap = $dataMap->getColumnMap($propertyName);
+                if ($columnMap !== null) {
+                    $propertyName = $columnMap->columnName;
+                }
+                if ($propertyValue instanceof \Iterator) {
+                    $structureItem[$propertyName] = $this->getStructure($propertyValue);
+                } else {
+                    $structureItem[$propertyName] = $propertyValue;
+                }
+            }
+            $structure[$identifier] = $structureItem;
+        }
+
+        return $structure;
+    }
+
+    protected function getRuntimeIdentifier(): string
+    {
+        $arguments = [];
+        foreach ($this->request->getArguments() as $argumentName => $argumentValue) {
+            $arguments[] = $argumentName . '=' . $argumentValue;
+        }
+        return $this->request->getControllerActionName() . '(' . implode(', ', $arguments) . ')';
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/BlogPostEditingController.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/BlogPostEditingController.php
new file mode 100644
index 0000000..0b0fd5e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/BlogPostEditingController.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Controller;
+
+use Psr\Http\Message\ResponseInterface;
+use TYPO3\CMS\Extbase\Attribute\IgnoreValidation;
+use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
+use TYPO3\CMS\Extbase\Persistence\Generic\PersistenceManager;
+use TYPO3Tests\BlogExample\Domain\Model\Blog;
+use TYPO3Tests\BlogExample\Domain\Repository\BlogRepository;
+use TYPO3Tests\BlogExample\Domain\Repository\CategoryRepository;
+
+final class BlogPostEditingController extends ActionController
+{
+    public function __construct(
+        private readonly BlogRepository $blogRepository,
+        private readonly CategoryRepository $categoryRepository,
+        private readonly PersistenceManager $persistenceManager,
+    ) {
+    }
+
+    public function listAction(): ResponseInterface
+    {
+        $blogs = $this->blogRepository->findAll();
+        $this->view->assign('blogs', $blogs);
+        return $this->htmlResponse();
+    }
+
+    public function viewAction(Blog $blog): ResponseInterface
+    {
+        $this->view->assign('blog', $blog);
+        return $this->htmlResponse();
+    }
+
+    /**
+     * Note that we ignore validation intentionally here, so that
+     * the action can take in a not-validated blog to be able to report
+     * errors after the errorAction() redirection!
+     */
+    public function editAction(#[IgnoreValidation] Blog $blog): ResponseInterface
+    {
+        $categories = $this->categoryRepository->findAll();
+        $categoriesSelect = [];
+        foreach ($categories as $category) {
+            $categoriesSelect[$category->getUid()] = $category->getTitle();
+        }
+        $this->view->assignMultiple([
+            'categories' => $categories,
+            'categoriesSelect' => $categoriesSelect,
+            'blog' => $blog,
+        ]);
+        return $this->htmlResponse();
+    }
+
+    public function newAction(): ResponseInterface
+    {
+        $blog = new Blog();
+        $this->view->assignMultiple([
+            'blog' => $blog,
+            'categories' => $this->categoryRepository->findAll(),
+        ]);
+        return $this->htmlResponse();
+    }
+
+    public function persistAction(Blog $blog): ResponseInterface
+    {
+        // IMPORTANT: This is just an example case for testing purposes. This is missing any
+        // kind of access control or permission gating. NEVER do this in production without it.
+        $this->blogRepository->update($blog);
+        return $this->redirect('list');
+    }
+
+    public function createAction(Blog $blog): ResponseInterface
+    {
+        // IMPORTANT: This is just an example case for testing purposes. This is missing any
+        // kind of access control or permission gating. NEVER do this in production without it.
+        $blog->setPid((int)$this->settings['pidNewRecords']);
+        $this->blogRepository->add($blog);
+        $this->persistenceManager->persistAll();
+        return $this->redirect('list');
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/ContentController.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/ContentController.php
new file mode 100644
index 0000000..7668dd1
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Controller/ContentController.php
@@ -0,0 +1,132 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Controller;
+
+use Psr\Http\Message\ResponseInterface;
+use TYPO3\CMS\Extbase\Domain\Model\FileReference;
+use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
+use TYPO3\CMS\Extbase\Mvc\RequestInterface;
+use TYPO3\CMS\Extbase\Mvc\View\JsonView;
+use TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapFactory;
+use TYPO3\CMS\Extbase\Property\Exception;
+use TYPO3\CMS\Extbase\Reflection\ObjectAccess;
+use TYPO3Tests\BlogExample\Domain\Repository\TtContentRepository;
+
+class ContentController extends ActionController
+{
+    public function __construct(
+        private readonly TtContentRepository $contentRepository,
+        private readonly DataMapFactory $dataMapFactory
+    ) {
+        $this->defaultViewObjectName = JsonView::class;
+    }
+
+    public function listAction(): ResponseInterface
+    {
+        $content = $this->contentRepository->findAll();
+        $value = [];
+        $value[$this->getRuntimeIdentifier()] = $this->getStructure($content);
+        // this is required, so we don't try to json_encode content of the image
+        /** @var JsonView $view */
+        $view = $this->view;
+        $view->setConfiguration([
+            'value' => [
+                '_descendAll' => [
+                    '_descendAll' => [
+                        '_descendAll' => [
+                            '_descendAll' => [
+                                '_descendAll' => [
+                                    '_exclude' => ['contents'],
+                                ],
+                            ],
+                        ],
+                    ],
+                ],
+            ],
+        ]);
+        $view->assign('value', $value);
+
+        return $this->jsonResponse();
+    }
+
+    /**
+     * @throws \RuntimeException
+     */
+    public function processRequest(RequestInterface $request): ResponseInterface
+    {
+        try {
+            return parent::processRequest($request);
+        } catch (Exception $exception) {
+            throw new \RuntimeException(
+                $this->getRuntimeIdentifier() . ': ' . $exception->getMessage() . ' (' . $exception->getCode() . ')',
+                1476122223
+            );
+        }
+    }
+
+    /**
+     * @param \Iterator|\TYPO3\CMS\Extbase\DomainObject\AbstractEntity[] $iterator
+     */
+    protected function getStructure(\Iterator|array $iterator): array
+    {
+        $structure = [];
+
+        if (!$iterator instanceof \Iterator) {
+            $iterator = [$iterator];
+        }
+
+        foreach ($iterator as $entity) {
+            $dataMap = $this->dataMapFactory->buildDataMap(get_class($entity));
+            $identifier = $dataMap->tableName . ':' . $entity->getUid();
+            $properties = ObjectAccess::getGettableProperties($entity);
+
+            $structureItem = [];
+            foreach ($properties as $propertyName => $propertyValue) {
+                $columnMap = $dataMap->getColumnMap($propertyName);
+                if ($columnMap !== null) {
+                    $propertyName = $columnMap->columnName;
+                }
+                if ($propertyValue instanceof \Iterator) {
+                    $structureItem[$propertyName] = $this->getStructure($propertyValue);
+                } else {
+                    $structureItem[$propertyName] = $propertyValue;
+                }
+            }
+            //let's flatten the structure and put file reference properties level up, so we can use StructureHasRecordConstraint
+            if (
+                $entity instanceof FileReference
+                && isset($structureItem['originalResource'])
+                && $structureItem['originalResource'] instanceof \TYPO3\CMS\Core\Resource\FileReference
+            ) {
+                $structureItem = $structureItem['originalResource']->getProperties();
+            }
+            $structure[$identifier] = $structureItem;
+        }
+
+        return $structure;
+    }
+
+    protected function getRuntimeIdentifier(): string
+    {
+        $arguments = [];
+        foreach ($this->request->getArguments() as $argumentName => $argumentValue) {
+            $arguments[] = $argumentName . '=' . $argumentValue;
+        }
+        return $this->request->getControllerActionName() . '(' . implode(', ', $arguments) . ')';
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Administrator.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Administrator.php
new file mode 100644
index 0000000..df8fb6e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Administrator.php
@@ -0,0 +1,309 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Domain\Model\FileReference;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
+/**
+ * An Administrator of a Blog
+ */
+class Administrator extends AbstractEntity
+{
+    protected string $username = '';
+
+    protected string $password = '';
+
+    /**
+     * @var ObjectStorage<FrontendUserGroup>
+     */
+    protected ObjectStorage $usergroup;
+
+    protected string $name = '';
+
+    protected string $firstName = '';
+
+    protected string $middleName = '';
+
+    protected string $lastName = '';
+
+    protected string $address = '';
+
+    protected string $telephone = '';
+
+    protected string $fax = '';
+
+    protected string $email = '';
+
+    protected string $title = '';
+
+    protected string $zip = '';
+
+    protected string $city = '';
+
+    protected string $country = '';
+
+    protected string $www = '';
+
+    protected string $company = '';
+
+    protected ObjectStorage $image;
+
+    protected ?\DateTime $lastlogin;
+
+    public function __construct(string $username = '', string $password = '')
+    {
+        $this->username = $username;
+        $this->password = $password;
+        $this->initializeObject();
+    }
+
+    /**
+     * Called again with initialize object, as fetching an entity from the DB does not use the constructor
+     */
+    public function initializeObject(): void
+    {
+        $this->usergroup = new ObjectStorage();
+        $this->image = new ObjectStorage();
+    }
+
+    public function setUsername(string $username): void
+    {
+        $this->username = $username;
+    }
+
+    public function getUsername(): string
+    {
+        return $this->username;
+    }
+
+    public function setPassword(string $password): void
+    {
+        $this->password = $password;
+    }
+
+    public function getPassword(): string
+    {
+        return $this->password;
+    }
+
+    /**
+     * Sets the usergroups. Keep in mind that the property is called "usergroup"
+     * although it can hold several usergroups.
+     *
+     * @param ObjectStorage<FrontendUserGroup> $usergroup
+     */
+    public function setUsergroup(ObjectStorage $usergroup): void
+    {
+        $this->usergroup = $usergroup;
+    }
+
+    /**
+     * Adds a usergroup to the frontend user
+     */
+    public function addUsergroup(FrontendUserGroup $usergroup): void
+    {
+        $this->usergroup->attach($usergroup);
+    }
+
+    /**
+     * Removes a usergroup from the frontend user
+     */
+    public function removeUsergroup(FrontendUserGroup $usergroup): void
+    {
+        $this->usergroup->detach($usergroup);
+    }
+
+    /**
+     * Returns the usergroups. Keep in mind that the property is called "usergroup"
+     * although it can hold several usergroups.
+     *
+     * @return ObjectStorage<FrontendUserGroup>
+     */
+    public function getUsergroup(): ObjectStorage
+    {
+        return $this->usergroup;
+    }
+
+    public function setName(string $name): void
+    {
+        $this->name = $name;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setFirstName(string $firstName): void
+    {
+        $this->firstName = $firstName;
+    }
+
+    public function getFirstName(): string
+    {
+        return $this->firstName;
+    }
+
+    public function setMiddleName(string $middleName): void
+    {
+        $this->middleName = $middleName;
+    }
+
+    public function getMiddleName(): string
+    {
+        return $this->middleName;
+    }
+
+    public function setLastName(string $lastName): void
+    {
+        $this->lastName = $lastName;
+    }
+
+    public function getLastName(): string
+    {
+        return $this->lastName;
+    }
+
+    public function setAddress(string $address): void
+    {
+        $this->address = $address;
+    }
+
+    public function getAddress(): string
+    {
+        return $this->address;
+    }
+
+    public function setTelephone(string $telephone): void
+    {
+        $this->telephone = $telephone;
+    }
+
+    public function getTelephone(): string
+    {
+        return $this->telephone;
+    }
+
+    public function setFax(string $fax): void
+    {
+        $this->fax = $fax;
+    }
+
+    public function getFax(): string
+    {
+        return $this->fax;
+    }
+
+    public function setEmail(string $email): void
+    {
+        $this->email = $email;
+    }
+
+    public function getEmail(): string
+    {
+        return $this->email;
+    }
+
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function setZip(string $zip): void
+    {
+        $this->zip = $zip;
+    }
+
+    public function getZip(): string
+    {
+        return $this->zip;
+    }
+
+    public function setCity(string $city): void
+    {
+        $this->city = $city;
+    }
+
+    public function getCity(): string
+    {
+        return $this->city;
+    }
+
+    public function setCountry(string $country): void
+    {
+        $this->country = $country;
+    }
+
+    public function getCountry(): string
+    {
+        return $this->country;
+    }
+
+    public function setWww(string $www): void
+    {
+        $this->www = $www;
+    }
+
+    public function getWww(): string
+    {
+        return $this->www;
+    }
+
+    public function setCompany(string $company): void
+    {
+        $this->company = $company;
+    }
+
+    public function getCompany(): string
+    {
+        return $this->company;
+    }
+
+    /**
+     * @param ObjectStorage<FileReference> $image
+     */
+    public function setImage(ObjectStorage $image): void
+    {
+        $this->image = $image;
+    }
+
+    /**
+     * @return ObjectStorage<FileReference>
+     */
+    public function getImage(): ObjectStorage
+    {
+        return $this->image;
+    }
+
+    public function setLastlogin(\DateTime $lastlogin): void
+    {
+        $this->lastlogin = $lastlogin;
+    }
+
+    public function getLastlogin(): ?\DateTime
+    {
+        return $this->lastlogin;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Blog.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Blog.php
new file mode 100644
index 0000000..d67377e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Blog.php
@@ -0,0 +1,189 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Attribute\ORM\Cascade;
+use TYPO3\CMS\Extbase\Attribute\ORM\Lazy;
+use TYPO3\CMS\Extbase\Attribute\Validate;
+use TYPO3\CMS\Extbase\Domain\Model\FileReference;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
+/**
+ * A blog
+ */
+class Blog extends AbstractEntity
+{
+    /**
+     * The blog's title.
+     */
+    #[Validate(validator: 'NotEmpty')]
+    #[Validate(validator: 'StringLength', options: ['minimum' => 1, 'maximum' => 80])]
+    protected string $title = '';
+
+    /**
+     * The blog's subtitle
+     */
+    protected ?string $subtitle = null;
+
+    /**
+     * A short description of the blog
+     */
+    #[Validate(validator: 'StringLength', options: ['minimum' => 1, 'maximum' => 150])]
+    protected string $description = '';
+
+    /**
+     * A logo
+     *
+     * @var ObjectStorage<FileReference>
+     */
+    protected ObjectStorage $logo;
+
+    /**
+     * The posts of this blog
+     *
+     * @var ObjectStorage<Post>
+     */
+    #[Lazy]
+    #[Cascade('remove')]
+    protected ObjectStorage $posts;
+
+    /**
+     * @var ObjectStorage<Category>
+     */
+    protected ObjectStorage $categories;
+
+    /**
+     * The blog's administrator
+     */
+    #[Lazy]
+    protected Administrator|LazyLoadingProxy|null $administrator = null;
+
+    public function __construct()
+    {
+        $this->posts = new ObjectStorage();
+        $this->categories = new ObjectStorage();
+        $this->logo = new ObjectStorage();
+    }
+
+    public function setSubtitle(?string $subtitle): void
+    {
+        $this->subtitle = $subtitle;
+    }
+
+    public function getSubtitle(): ?string
+    {
+        return $this->subtitle;
+    }
+
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    /**
+     * @param ObjectStorage<FileReference> $logo
+     */
+    public function setLogo(ObjectStorage $logo): void
+    {
+        $this->logo = $logo;
+    }
+
+    /**
+     * @return ObjectStorage<FileReference>
+     */
+    public function getLogo(): ObjectStorage
+    {
+        return $this->logo;
+    }
+
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
+
+    public function addPost(Post $post): void
+    {
+        $this->posts->attach($post);
+    }
+
+    public function removePost(Post $postToRemove): void
+    {
+        $this->posts->detach($postToRemove);
+    }
+
+    public function removeAllPosts(): void
+    {
+        $this->posts = new ObjectStorage();
+    }
+
+    /**
+     * @return ObjectStorage<Post>
+     */
+    public function getPosts(): ObjectStorage
+    {
+        return $this->posts;
+    }
+
+    public function addCategory(Category $category): void
+    {
+        $this->categories->attach($category);
+    }
+
+    /**
+     * @param ObjectStorage<Category> $categories
+     */
+    public function setCategories(ObjectStorage $categories): void
+    {
+        $this->categories = $categories;
+    }
+
+    /**
+     * @return ObjectStorage<Category>
+     */
+    public function getCategories(): ObjectStorage
+    {
+        return $this->categories;
+    }
+
+    public function removeCategory(Category $category): void
+    {
+        $this->categories->detach($category);
+    }
+
+    public function setAdministrator(Administrator $administrator): void
+    {
+        $this->administrator = $administrator;
+    }
+
+    public function getAdministrator(): Administrator|LazyLoadingProxy|null
+    {
+        return $this->administrator;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Category.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Category.php
new file mode 100644
index 0000000..51340b2
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Category.php
@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Attribute\ORM\Lazy;
+use TYPO3\CMS\Extbase\Attribute\Validate;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
+
+/**
+ * This model represents a category (for anything).
+ */
+class Category extends AbstractEntity
+{
+    #[Validate(validator: 'NotEmpty')]
+    protected string $title = '';
+
+    protected string $description = '';
+
+    #[Lazy]
+    protected Category|LazyLoadingProxy|null $parent = null;
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
+
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
+    public function getParent(): ?Category
+    {
+        if ($this->parent instanceof LazyLoadingProxy) {
+            $this->parent->_loadRealInstance();
+        }
+        return $this->parent;
+    }
+
+    public function setParent(Category $parent): void
+    {
+        $this->parent = $parent;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Comment.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Comment.php
new file mode 100644
index 0000000..eea6d60
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Comment.php
@@ -0,0 +1,98 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Attribute\Validate;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+/**
+ * A blog post comment
+ */
+class Comment extends AbstractEntity
+{
+    protected \DateTime $date;
+
+    #[Validate(validator: 'NotEmpty')]
+    protected string $author = '';
+
+    #[Validate(validator: 'EmailAddress')]
+    protected string $email = '';
+
+    #[Validate(validator: 'StringLength', options: ['maximum' => 500])]
+    protected string $content = '';
+
+    public function __construct()
+    {
+        $this->date = new \DateTime();
+    }
+
+    public function setDate(\DateTime $date): void
+    {
+        $this->date = $date;
+    }
+
+    public function getDate(): \DateTime
+    {
+        return $this->date;
+    }
+
+    public function setAuthor(string $author): void
+    {
+        $this->author = $author;
+    }
+
+    public function getAuthor(): string
+    {
+        return $this->author;
+    }
+
+    /**
+     * Sets the author's email for this comment
+     */
+    public function setEmail(string $email): void
+    {
+        $this->email = $email;
+    }
+
+    /**
+     * Getter for author's email
+     */
+    public function getEmail(): string
+    {
+        return $this->email;
+    }
+
+    public function setContent(string $content): void
+    {
+        $this->content = $content;
+    }
+
+    public function getContent(): string
+    {
+        return $this->content;
+    }
+
+    /**
+     * Returns this comment as a formatted string
+     */
+    public function __toString(): string
+    {
+        return $this->author . ' (' . $this->email . ') said on ' . $this->date->format('Y-m-d') . ':' . chr(10) .
+            $this->content . chr(10);
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/CustomDate.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/CustomDate.php
new file mode 100644
index 0000000..a3a1cd4
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/CustomDate.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+class CustomDate extends \DateTime
+{
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/DateExample.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/DateExample.php
new file mode 100644
index 0000000..a53e979
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/DateExample.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+class DateExample extends AbstractEntity
+{
+    /**
+     * A datetime stored in a text field
+     */
+    protected ?\DateTime $datetimeText = null;
+
+    /**
+     * A datetime stored in an integer field
+     */
+    protected ?\DateTime $datetimeInt = null;
+
+    /**
+     * A datetime stored in a datetime field
+     */
+    protected ?\DateTime $datetimeDatetime = null;
+
+    /**
+     * A date stored in a date field with an extended DateTime type
+     * @var CustomDate $customDate
+     */
+    protected ?CustomDate $customDate = null;
+
+    public function getDatetimeText(): ?\DateTime
+    {
+        return $this->datetimeText;
+    }
+
+    public function setDatetimeText(\DateTime $datetimeText): void
+    {
+        $this->datetimeText = $datetimeText;
+    }
+
+    public function getDatetimeInt(): ?\DateTime
+    {
+        return $this->datetimeInt;
+    }
+
+    public function setDatetimeInt(?\DateTime $datetimeInt): void
+    {
+        $this->datetimeInt = $datetimeInt;
+    }
+
+    public function getDatetimeDatetime(): ?\DateTime
+    {
+        return $this->datetimeDatetime;
+    }
+
+    public function setDatetimeDatetime(?\DateTime $datetimeDatetime): void
+    {
+        $this->datetimeDatetime = $datetimeDatetime;
+    }
+
+    public function getCustomDate(): ?CustomDate
+    {
+        return $this->customDate;
+    }
+
+    public function setCustomDate(CustomDate $customDate): void
+    {
+        $this->customDate = $customDate;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/DateTimeImmutableExample.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/DateTimeImmutableExample.php
new file mode 100644
index 0000000..a93f81d
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/DateTimeImmutableExample.php
@@ -0,0 +1,86 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+class DateTimeImmutableExample extends AbstractEntity
+{
+    /**
+     * Static value which is not part of an "entity".
+     * (this property has to be ignored by Extbase when persisting this entity)
+     */
+    public static string $publicStaticValue;
+
+    /**
+     * Transient value, having a name starting with `_`.
+     * (this property has to be ignored by Extbase when persisting this entity)
+     */
+    public string $_publicTransientValue;
+
+    /**
+     * Transient value without any getter or setter.
+     * (this property has to be ignored by Extbase when persisting this entity)
+     */
+    private string $privateTransientValue; // @phpstan-ignore-line since it is unused on purpose
+
+    /**
+     * A datetimeImmutable stored in a text field
+     */
+    protected ?\DateTimeImmutable $datetimeImmutableText = null;
+
+    /**
+     * A datetime stored in an integer field
+     */
+    protected ?\DateTimeImmutable $datetimeImmutableInt = null;
+
+    /**
+     * A datetime stored in a datetime field
+     */
+    protected ?\DateTimeImmutable $datetimeImmutableDatetime = null;
+
+    public function getDatetimeImmutableText(): ?\DateTimeImmutable
+    {
+        return $this->datetimeImmutableText;
+    }
+
+    public function setDatetimeImmutableText(\DateTimeImmutable $datetimeImmutableText): void
+    {
+        $this->datetimeImmutableText = $datetimeImmutableText;
+    }
+
+    public function getDatetimeImmutableInt(): ?\DateTimeImmutable
+    {
+        return $this->datetimeImmutableInt;
+    }
+
+    public function setDatetimeImmutableInt(\DateTimeImmutable $datetimeImmutableInt): void
+    {
+        $this->datetimeImmutableInt = $datetimeImmutableInt;
+    }
+
+    public function getDatetimeImmutableDatetime(): ?\DateTimeImmutable
+    {
+        return $this->datetimeImmutableDatetime;
+    }
+
+    public function setDatetimeImmutableDatetime(\DateTimeImmutable $datetimeImmutableDatetime): void
+    {
+        $this->datetimeImmutableDatetime = $datetimeImmutableDatetime;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Enum/Salutation.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Enum/Salutation.php
new file mode 100644
index 0000000..f1387b2
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Enum/Salutation.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model\Enum;
+
+enum Salutation: string
+{
+    case NONE = '';
+    case MR = 'Mr.';
+    case MRS = 'Mrs.';
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/FrontendUserGroup.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/FrontendUserGroup.php
new file mode 100644
index 0000000..fb10d2e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/FrontendUserGroup.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
+/**
+ * A Frontend User Group
+ */
+class FrontendUserGroup extends AbstractEntity
+{
+    protected string $title = '';
+
+    protected string $description = '';
+
+    /**
+     * @var ObjectStorage<FrontendUserGroup>
+     */
+    protected ObjectStorage $subgroup;
+
+    public function __construct(string $title = '')
+    {
+        $this->setTitle($title);
+        $this->subgroup = new ObjectStorage();
+    }
+
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
+
+    /**
+     * Sets the subgroups. Keep in mind that the property is called "subgroup"
+     * although it can hold several subgroups.
+     *
+     * @param ObjectStorage<FrontendUserGroup> $subgroup An object storage containing the subgroups to add
+     */
+    public function setSubgroup(ObjectStorage $subgroup): void
+    {
+        $this->subgroup = $subgroup;
+    }
+
+    public function addSubgroup(FrontendUserGroup $subgroup): void
+    {
+        $this->subgroup->attach($subgroup);
+    }
+
+    public function removeSubgroup(FrontendUserGroup $subgroup): void
+    {
+        $this->subgroup->detach($subgroup);
+    }
+
+    /**
+     * Returns the subgroups. Keep in mind that the property is called "subgroup"
+     * although it can hold several subgroups.
+     *
+     * @return ObjectStorage<FrontendUserGroup> An object storage containing the subgroups
+     */
+    public function getSubgroup(): ObjectStorage
+    {
+        return $this->subgroup;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Info.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Info.php
new file mode 100644
index 0000000..eb6831e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Info.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+/**
+ * A post additional info (1:1 inline relation to post)
+ */
+class Info extends AbstractEntity
+{
+    protected string $name = '';
+
+    public function setName(string $name): void
+    {
+        $this->name = $name;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * Returns this info as a formatted string
+     */
+    public function __toString(): string
+    {
+        return $this->name;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/NoTcaEntity.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/NoTcaEntity.php
new file mode 100644
index 0000000..7e25c57
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/NoTcaEntity.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+/**
+ * A minimal entity whose table is intentionally absent from TCA,
+ * used to test that the ExtbaseHistoryTracker skips gracefully.
+ */
+class NoTcaEntity extends AbstractEntity
+{
+    protected string $title = '';
+
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Person.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Person.php
new file mode 100644
index 0000000..a55bfe5
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Person.php
@@ -0,0 +1,165 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Core\Country\Country;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
+/**
+ * A person - acting as author
+ */
+class Person extends AbstractEntity
+{
+    protected string $firstname = '';
+
+    protected string $lastname = '';
+
+    protected string $email = '';
+
+    protected ?Country $country = null;
+
+    protected Enum\Salutation $salutation = Enum\Salutation::NONE;
+
+    /**
+     * @var ObjectStorage<Tag>
+     */
+    protected ObjectStorage $tags;
+
+    /**
+     * @var ObjectStorage<Tag>
+     */
+    protected ObjectStorage $tagsSpecial;
+
+    public function __construct(string $firstname = '', string $lastname = '', string $email = '')
+    {
+        $this->setFirstname($firstname);
+        $this->setLastname($lastname);
+        $this->setEmail($email);
+
+        $this->tags = new ObjectStorage();
+        $this->tagsSpecial = new ObjectStorage();
+    }
+
+    public function setFirstname(string $firstname): void
+    {
+        $this->firstname = $firstname;
+    }
+
+    public function getFirstname(): string
+    {
+        return $this->firstname;
+    }
+
+    public function setLastname(string $lastname): void
+    {
+        $this->lastname = $lastname;
+    }
+
+    public function getLastname(): string
+    {
+        return $this->lastname;
+    }
+
+    public function getFullName(): string
+    {
+        return $this->firstname . ' ' . $this->lastname;
+    }
+
+    public function setEmail(string $email): void
+    {
+        $this->email = $email;
+    }
+
+    public function getEmail(): string
+    {
+        return $this->email;
+    }
+
+    public function getSalutation(): Enum\Salutation
+    {
+        return $this->salutation;
+    }
+
+    public function setSalutation(Enum\Salutation $salutation): void
+    {
+        $this->salutation = $salutation;
+    }
+
+    /**
+     * @return ObjectStorage<Tag>
+     */
+    public function getTags(): ObjectStorage
+    {
+        return $this->tags;
+    }
+
+    /**
+     * @param ObjectStorage<Tag> $tags
+     */
+    public function setTags(ObjectStorage $tags): void
+    {
+        $this->tags = $tags;
+    }
+
+    public function addTag(Tag $tag): void
+    {
+        $this->tags->attach($tag);
+    }
+
+    public function removeTag(Tag $tag): void
+    {
+        $this->tags->detach($tag);
+    }
+
+    /**
+     * @return ObjectStorage<Tag>
+     */
+    public function getTagsSpecial(): ObjectStorage
+    {
+        return $this->tagsSpecial;
+    }
+
+    /**
+     * @param ObjectStorage<Tag> $tagsSpecial
+     */
+    public function setTagsSpecial(ObjectStorage $tagsSpecial): void
+    {
+        $this->tagsSpecial = $tagsSpecial;
+    }
+
+    public function addTagSpecial(Tag $tag): void
+    {
+        $this->tagsSpecial->attach($tag);
+    }
+
+    public function removeTagSpecial(Tag $tag): void
+    {
+        $this->tagsSpecial->detach($tag);
+    }
+
+    public function getCountry(): ?Country
+    {
+        return $this->country;
+    }
+
+    public function setCountry(?Country $country): void
+    {
+        $this->country = $country;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Post.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Post.php
new file mode 100644
index 0000000..0ea2694
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Post.php
@@ -0,0 +1,398 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Attribute\ORM\Cascade;
+use TYPO3\CMS\Extbase\Attribute\ORM\Lazy;
+use TYPO3\CMS\Extbase\Attribute\Validate;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
+/**
+ * A blog post
+ */
+class Post extends AbstractEntity
+{
+    protected ?Blog $blog = null;
+
+    #[Validate(validator: 'StringLength', options: ['minimum' => 3, 'maximum' => 50])]
+    protected string $title = '';
+
+    protected \DateTime $date;
+
+    protected ?\DateTime $archiveDate = null;
+
+    protected ?Person $author = null;
+
+    protected ?Person $secondAuthor = null;
+
+    protected ?Person $reviewer = null;
+
+    #[Validate(validator: 'StringLength', options: ['minimum' => 3])]
+    protected string $content = '';
+
+    /**
+     * @var ObjectStorage<Tag>
+     */
+    protected ObjectStorage $tags;
+
+    /**
+     * @var ObjectStorage<Category>
+     */
+    protected ObjectStorage $categories;
+
+    /**
+     * @var ObjectStorage<Comment>
+     */
+    #[Lazy]
+    #[Cascade('remove')]
+    protected ObjectStorage $comments;
+
+    /**
+     * @var ObjectStorage<Post>
+     */
+    #[Lazy]
+    protected ObjectStorage $relatedPosts;
+
+    /**
+     * 1:1 relation stored as CSV value in this class
+     */
+    protected ?Info $additionalName = null;
+
+    /**
+     * 1:1 relation stored as foreign key in Info class
+     */
+    protected ?Info $additionalInfo = null;
+
+    /**
+     * 1:n relation stored as CSV value
+     * @var ObjectStorage<Comment>
+     */
+    #[Lazy]
+    protected ObjectStorage $additionalComments;
+
+    public function __construct()
+    {
+        $this->tags = new ObjectStorage();
+        $this->categories = new ObjectStorage();
+        $this->comments = new ObjectStorage();
+        $this->relatedPosts = new ObjectStorage();
+        $this->date = new \DateTime();
+        $this->additionalComments = new ObjectStorage();
+    }
+
+    /**
+     * Sets the blog this post is part of
+     */
+    public function setBlog(Blog $blog): void
+    {
+        $this->blog = $blog;
+    }
+
+    /**
+     * Returns the blog this post is part of
+     */
+    public function getBlog(): ?Blog
+    {
+        return $this->blog;
+    }
+
+    public function setTitle(string $title): void
+    {
+        $this->title = $title;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function setDate(\DateTime $date): void
+    {
+        $this->date = $date;
+    }
+
+    public function getDate(): \DateTime
+    {
+        return $this->date;
+    }
+
+    public function getArchiveDate(): ?\DateTime
+    {
+        return $this->archiveDate;
+    }
+
+    public function setArchiveDate(?\DateTime $archiveDate): void
+    {
+        $this->archiveDate = $archiveDate;
+    }
+
+    /**
+     * @param ObjectStorage<Tag> $tags
+     */
+    public function setTags(ObjectStorage $tags): void
+    {
+        $this->tags = $tags;
+    }
+
+    public function addTag(Tag $tag): void
+    {
+        $this->tags->attach($tag);
+    }
+
+    public function removeTag(Tag $tag): void
+    {
+        $this->tags->detach($tag);
+    }
+
+    public function removeAllTags(): void
+    {
+        $this->tags = new ObjectStorage();
+    }
+
+    /**
+     * Getter for tags
+     * Note: We return a clone of the tags because they must not be modified as they are Value Objects
+     *
+     * @return ObjectStorage<Tag> A storage holding objects
+     */
+    public function getTags(): ObjectStorage
+    {
+        return clone $this->tags;
+    }
+
+    public function addCategory(Category $category): void
+    {
+        $this->categories->attach($category);
+    }
+
+    /**
+     * @param ObjectStorage<Category> $categories
+     */
+    public function setCategories(ObjectStorage $categories): void
+    {
+        $this->categories = $categories;
+    }
+
+    /**
+     * @return ObjectStorage<Category>
+     */
+    public function getCategories(): ObjectStorage
+    {
+        return $this->categories;
+    }
+
+    public function removeCategory(Category $category): void
+    {
+        $this->categories->detach($category);
+    }
+
+    public function setAuthor(?Person $author): void
+    {
+        $this->author = $author;
+    }
+
+    public function getAuthor(): ?Person
+    {
+        return $this->author;
+    }
+
+    public function getSecondAuthor(): ?Person
+    {
+        return $this->secondAuthor;
+    }
+
+    public function setSecondAuthor(?Person $secondAuthor): void
+    {
+        $this->secondAuthor = $secondAuthor;
+    }
+
+    public function getReviewer(): ?Person
+    {
+        return $this->reviewer;
+    }
+
+    public function setReviewer(?Person $reviewer): void
+    {
+        $this->reviewer = $reviewer;
+    }
+
+    /**
+     * Sets the content for this post
+     *
+     * @param string $content
+     */
+    public function setContent($content): void
+    {
+        $this->content = $content;
+    }
+
+    /**
+     * Getter for content
+     */
+    public function getContent(): string
+    {
+        return $this->content;
+    }
+
+    /**
+     * Setter for the comments to this post
+     *
+     * @param ObjectStorage<Comment> $comments An Object Storage of related Comment instances
+     */
+    public function setComments(ObjectStorage $comments): void
+    {
+        $this->comments = $comments;
+    }
+
+    /**
+     * Adds a comment to this post
+     */
+    public function addComment(Comment $comment): void
+    {
+        $this->comments->attach($comment);
+    }
+
+    /**
+     * Removes Comment from this post
+     */
+    public function removeComment(Comment $commentToDelete): void
+    {
+        $this->comments->detach($commentToDelete);
+    }
+
+    /**
+     * Remove all comments from this post
+     */
+    public function removeAllComments(): void
+    {
+        $comments = clone $this->comments;
+        $this->comments->removeAll($comments);
+    }
+
+    /**
+     * Returns the comments to this post
+     *
+     * @return ObjectStorage<Comment> holding instances of Comment
+     */
+    public function getComments(): ObjectStorage
+    {
+        return $this->comments;
+    }
+
+    /**
+     * Setter for the related posts
+     *
+     * @param ObjectStorage<Post> $relatedPosts An Object Storage containing related Posts instances
+     */
+    public function setRelatedPosts(ObjectStorage $relatedPosts): void
+    {
+        $this->relatedPosts = $relatedPosts;
+    }
+
+    /**
+     * Adds a related post
+     */
+    public function addRelatedPost(Post $post): void
+    {
+        $this->relatedPosts->attach($post);
+    }
+
+    /**
+     * Remove all related posts
+     */
+    public function removeAllRelatedPosts(): void
+    {
+        $relatedPosts = clone $this->relatedPosts;
+        $this->relatedPosts->removeAll($relatedPosts);
+    }
+
+    /**
+     * Returns the related posts
+     *
+     * @return ObjectStorage<Post> holding instances of Post
+     */
+    public function getRelatedPosts(): ObjectStorage
+    {
+        return $this->relatedPosts;
+    }
+
+    public function getAdditionalName(): ?Info
+    {
+        return $this->additionalName;
+    }
+
+    public function setAdditionalName(Info $additionalName): void
+    {
+        $this->additionalName = $additionalName;
+    }
+
+    public function getAdditionalInfo(): ?Info
+    {
+        return $this->additionalInfo;
+    }
+
+    public function setAdditionalInfo(Info $additionalInfo): void
+    {
+        $this->additionalInfo = $additionalInfo;
+    }
+
+    /**
+     * @return ObjectStorage<Comment>
+     */
+    public function getAdditionalComments(): ObjectStorage
+    {
+        return $this->additionalComments;
+    }
+
+    /**
+     * @param ObjectStorage<Comment> $additionalComments
+     */
+    public function setAdditionalComments(ObjectStorage $additionalComments): void
+    {
+        $this->additionalComments = $additionalComments;
+    }
+
+    public function addAdditionalComment(Comment $comment): void
+    {
+        $this->additionalComments->attach($comment);
+    }
+
+    public function removeAllAdditionalComments(): void
+    {
+        $comments = clone $this->additionalComments;
+        $this->additionalComments->removeAll($comments);
+    }
+
+    public function removeAdditionalComment(Comment $comment): void
+    {
+        $this->additionalComments->detach($comment);
+    }
+
+    /**
+     * Returns this post as a formatted string
+     */
+    public function __toString(): string
+    {
+        return $this->title . chr(10) .
+            ' written on ' . $this->date->format('Y-m-d') . chr(10) .
+            ' by ' . $this->author->getFullName() . chr(10) .
+            wordwrap($this->content, 70, chr(10)) . chr(10) .
+            implode(', ', $this->tags->toArray());
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/RegistryEntry.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/RegistryEntry.php
new file mode 100644
index 0000000..7f21607
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/RegistryEntry.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractValueObject;
+
+/**
+ * A registry entry
+ */
+class RegistryEntry extends AbstractValueObject
+{
+    protected string $name = '';
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): void
+    {
+        $this->name = $name;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/RestrictedComment.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/RestrictedComment.php
new file mode 100644
index 0000000..2633b07
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/RestrictedComment.php
@@ -0,0 +1,87 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Attribute\Validate;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+/**
+ * A blog post comment, restricted with specifically named hidden/starttime/endtime/fe_group attributes
+ */
+class RestrictedComment extends AbstractEntity
+{
+    #[Validate(validator: 'StringLength', options: ['maximum' => 500])]
+    protected string $content = '';
+
+    // Note: Simple string access, no model relation
+    protected string $customfegroup = '';
+
+    protected bool $customhidden = false;
+    protected ?\DateTime $customstarttime = null;
+    protected ?\DateTime $customendtime = null;
+
+    public function setContent(string $content): void
+    {
+        $this->content = $content;
+    }
+
+    public function getContent(): string
+    {
+        return $this->content;
+    }
+
+    public function getCustomfegroup(): string
+    {
+        return $this->customfegroup;
+    }
+
+    public function setCustomfegroup(string $customfegroup): void
+    {
+        $this->customfegroup = $customfegroup;
+    }
+
+    public function getCustomhidden(): bool
+    {
+        return $this->customhidden;
+    }
+
+    public function setCustomhidden(bool $customhidden): void
+    {
+        $this->customhidden = $customhidden;
+    }
+
+    public function getCustomstarttime(): ?\DateTime
+    {
+        return $this->customstarttime;
+    }
+
+    public function setCustomstarttime(?\DateTime $customstarttime): void
+    {
+        $this->customstarttime = $customstarttime;
+    }
+
+    public function getCustomendtime(): ?\DateTime
+    {
+        return $this->customendtime;
+    }
+
+    public function setCustomendtime(?\DateTime $customendtime): void
+    {
+        $this->customendtime = $customendtime;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Tag.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Tag.php
new file mode 100644
index 0000000..f098c41
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/Tag.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractValueObject;
+
+/**
+ * A blog post tag
+ */
+class Tag extends AbstractValueObject
+{
+    protected string $name = '';
+
+    public function __construct(string $name = '')
+    {
+        $this->name = $name;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * Returns this tag as a formatted string
+     */
+    public function __toString(): string
+    {
+        return $this->getName();
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/TtContent.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/TtContent.php
new file mode 100644
index 0000000..7b46ea8
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/TtContent.php
@@ -0,0 +1,105 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\Attribute\ORM\Lazy;
+use TYPO3\CMS\Extbase\Domain\Model\FileReference;
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
+class TtContent extends AbstractEntity
+{
+    protected string $header = '';
+
+    /**
+     * @var ObjectStorage<FileReference>
+     */
+    #[Lazy]
+    protected ObjectStorage $image;
+
+    /**
+     * @var ObjectStorage<Category>
+     */
+    protected ObjectStorage $categories;
+
+    public function __construct()
+    {
+        $this->image = new ObjectStorage();
+        $this->categories = new ObjectStorage();
+    }
+
+    public function getHeader(): string
+    {
+        return $this->header;
+    }
+
+    public function setHeader(string $header): void
+    {
+        $this->header = $header;
+    }
+
+    /**
+     * @return ObjectStorage<FileReference>
+     */
+    public function getImage(): ObjectStorage
+    {
+        return $this->image;
+    }
+
+    /**
+     * @param ObjectStorage<FileReference> $image
+     */
+    public function setImage(ObjectStorage $image): void
+    {
+        $this->image = $image;
+    }
+
+    public function addCategory(Category $category): void
+    {
+        $this->categories->attach($category);
+    }
+
+    /**
+     * @param ObjectStorage<Category> $categories
+     */
+    public function setCategories(ObjectStorage $categories): void
+    {
+        $this->categories = $categories;
+    }
+
+    /**
+     * @return ObjectStorage<Category>
+     */
+    public function getCategories(): ObjectStorage
+    {
+        return $this->categories;
+    }
+
+    public function removeCategory(Category $category): void
+    {
+        $this->categories->detach($category);
+    }
+
+    /**
+     * Returns this as a formatted string
+     */
+    public function __toString(): string
+    {
+        return $this->getHeader();
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/TtContentWithCType.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/TtContentWithCType.php
new file mode 100644
index 0000000..f7068ac
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Model/TtContentWithCType.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Model;
+
+use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
+
+class TtContentWithCType extends AbstractEntity
+{
+    protected string $header = '';
+
+    protected string $ctype = '';
+
+    public function getHeader(): string
+    {
+        return $this->header;
+    }
+
+    public function setHeader(string $header): void
+    {
+        $this->header = $header;
+    }
+
+    public function getCtype(): string
+    {
+        return $this->ctype;
+    }
+
+    public function setCtype(string $ctype): void
+    {
+        $this->ctype = $ctype;
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/AdministratorRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/AdministratorRepository.php
new file mode 100644
index 0000000..81fc328
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/AdministratorRepository.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\Administrator;
+
+/**
+ * A repository for administrators
+ * @extends Repository<Administrator>
+ */
+class AdministratorRepository extends Repository
+{
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/BlogRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/BlogRepository.php
new file mode 100644
index 0000000..300af5f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/BlogRepository.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\QueryInterface;
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\Blog;
+
+/**
+ * A repository for blogs
+ * @extends Repository<Blog>
+ */
+class BlogRepository extends Repository
+{
+    protected $defaultOrderings = [
+        'crdate' => QueryInterface::ORDER_DESCENDING,
+        'uid' => QueryInterface::ORDER_DESCENDING,
+    ];
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/CategoryRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/CategoryRepository.php
new file mode 100644
index 0000000..1bcc36f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/CategoryRepository.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\QueryInterface;
+use TYPO3\CMS\Extbase\Persistence\Repository;
+
+/**
+ * A repository for categories (sys_category)
+ */
+class CategoryRepository extends Repository
+{
+    protected $defaultOrderings = [
+        'title' => QueryInterface::ORDER_ASCENDING,
+    ];
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/DateExampleRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/DateExampleRepository.php
new file mode 100644
index 0000000..da4b31e
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/DateExampleRepository.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\DateExample;
+
+/**
+ * A repository for tx_blogexample_domain_model_dateexample
+ * @extends Repository<DateExample>
+ */
+class DateExampleRepository extends Repository
+{
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/DateTimeImmutableExampleRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/DateTimeImmutableExampleRepository.php
new file mode 100644
index 0000000..3fd2d44
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/DateTimeImmutableExampleRepository.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\DateTimeImmutableExample;
+
+/**
+ * A repository for tx_blogexample_domain_model_datetimeimmutableexample
+ * @extends Repository<DateTimeImmutableExample>
+ */
+class DateTimeImmutableExampleRepository extends Repository
+{
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/PersonRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/PersonRepository.php
new file mode 100644
index 0000000..408cb75
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/PersonRepository.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\QueryInterface;
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\Person;
+
+/**
+ * A repository for persons
+ * @extends Repository<Person>
+ */
+class PersonRepository extends Repository
+{
+    protected $defaultOrderings = ['lastname' => QueryInterface::ORDER_ASCENDING];
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/PostRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/PostRepository.php
new file mode 100644
index 0000000..74c5070
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/PostRepository.php
@@ -0,0 +1,174 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\QueryInterface;
+use TYPO3\CMS\Extbase\Persistence\QueryResultInterface;
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\Blog;
+use TYPO3Tests\BlogExample\Domain\Model\Post;
+
+/**
+ * A repository for blog posts
+ *
+ * @extends Repository<Post>
+ */
+class PostRepository extends Repository
+{
+    protected $defaultOrderings = ['date' => QueryInterface::ORDER_DESCENDING];
+
+    /**
+     * Finds all posts by the specified blog
+     *
+     * @param Blog $blog The blog the post must refer to
+     */
+    public function findAllByBlog(Blog $blog): QueryResultInterface
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->equals('blog', $blog)
+            )
+            ->execute();
+    }
+
+    /**
+     * Finds posts by the specified tag and blog
+     *
+     * @param Blog $blog The blog the post must refer to
+     */
+    public function findByTagAndBlog(string $tag, Blog $blog): QueryResultInterface
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->logicalAnd(
+                    $query->equals('blog', $blog),
+                    $query->equals('tags.name', $tag)
+                )
+            )
+            ->execute();
+    }
+
+    /**
+     * Finds all remaining posts of the blog
+     */
+    public function findRemaining(Post $post): QueryResultInterface
+    {
+        $blog = $post->getBlog();
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->logicalAnd(
+                    $query->equals('blog', $blog),
+                    $query->logicalNot(
+                        $query->equals('uid', $post->getUid())
+                    )
+                )
+            )
+            ->execute();
+    }
+
+    /**
+     * Finds the previous of the given post
+     *
+     * @param Post $post The reference post
+     */
+    public function findPrevious(Post $post): Post
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->lessThan('date', $post->getDate())
+            )
+            ->execute()
+            ->getFirst();
+    }
+
+    /**
+     * Finds the post next to the given post
+     *
+     * @param Post $post The reference post
+     */
+    public function findNext(Post $post): Post
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->greaterThan('date', $post->getDate())
+            )
+            ->execute()
+            ->getFirst();
+    }
+
+    /**
+     * Finds most recent posts by the specified blog
+     *
+     * @param Blog $blog The blog the post must refer to
+     * @param int $limit The number of posts to return at max
+     * @return QueryResultInterface The posts
+     */
+    public function findRecentByBlog(Blog $blog, int $limit = 5): QueryResultInterface
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->equals('blog', $blog)
+            )
+            ->setLimit((int)$limit)
+            ->execute();
+    }
+
+    /**
+     * Find posts by category
+     */
+    public function findByCategory(int $categoryUid): QueryResultInterface
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->contains('categories', $categoryUid)
+            )
+            ->execute();
+    }
+
+    /**
+     * Find posts by categories (OR combined)
+     * @param array<int, int> $categoryUids
+     */
+    public function findByCategories(array $categoryUids): QueryResultInterface
+    {
+        $query = $this->createQuery();
+        return $query
+            ->matching(
+                $query->in('categories.uid', $categoryUids)
+            )
+            ->execute();
+    }
+
+    public function findAllSortedByCategory(array $uids): QueryResultInterface
+    {
+        $q = $this->createQuery();
+        $q->matching($q->in('uid', $uids));
+        $q->setOrderings([
+            'categories.title' => QueryInterface::ORDER_ASCENDING,
+            'uid' => QueryInterface::ORDER_ASCENDING,
+        ]);
+        return $q->execute();
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/RegistryEntryRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/RegistryEntryRepository.php
new file mode 100644
index 0000000..061a3eb
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/RegistryEntryRepository.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\RegistryEntry;
+
+/**
+ * A repository for registry entries
+ * @extends Repository<RegistryEntry>
+ */
+class RegistryEntryRepository extends Repository
+{
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/RestrictedCommentRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/RestrictedCommentRepository.php
new file mode 100644
index 0000000..bc1db28
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/RestrictedCommentRepository.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\QueryInterface;
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\RestrictedComment;
+
+/**
+ * A repository for restricted comments
+ *
+ * @extends Repository<RestrictedComment>
+ */
+class RestrictedCommentRepository extends Repository
+{
+    protected $defaultOrderings = ['date' => QueryInterface::ORDER_DESCENDING];
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/TtContentRepository.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/TtContentRepository.php
new file mode 100644
index 0000000..eb700a2
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Repository/TtContentRepository.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Repository;
+
+use TYPO3\CMS\Extbase\Persistence\Repository;
+use TYPO3Tests\BlogExample\Domain\Model\TtContent;
+
+/**
+ * A repository for tt_contents
+ * @extends Repository<TtContent>
+ */
+class TtContentRepository extends Repository
+{
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Validator/PostValidator.php b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Validator/PostValidator.php
new file mode 100644
index 0000000..6f9670a
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Classes/Domain/Validator/PostValidator.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3Tests\BlogExample\Domain\Validator;
+
+use TYPO3\CMS\Extbase\Validation\Error;
+use TYPO3\CMS\Extbase\Validation\Validator\AbstractValidator;
+use TYPO3Tests\BlogExample\Domain\Model\Post;
+
+/**
+ * A custom validator for blog posts.
+ */
+class PostValidator extends AbstractValidator
+{
+    /**
+     * Check if $value is valid. If it is not valid, needs to add an error
+     * to result.
+     *
+     * @param Post $value
+     */
+    protected function isValid(mixed $value): void
+    {
+        /** @var Post $value */
+        if ($value->getTitle() === '77') {
+            $error = new Error('Title custom validation failed', 1480872650);
+            $this->result->forProperty('title')->addError($error);
+        }
+    }
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/Extbase/Persistence/Classes.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/Extbase/Persistence/Classes.php
new file mode 100644
index 0000000..4945f2c
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/Extbase/Persistence/Classes.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    \TYPO3Tests\BlogExample\Domain\Model\Administrator::class => [
+        'tableName' => 'fe_users',
+        'recordType' => \TYPO3Tests\BlogExample\Domain\Model\Administrator::class,
+    ],
+    \TYPO3Tests\BlogExample\Domain\Model\Category::class => [
+        'tableName' => 'sys_category',
+    ],
+    \TYPO3Tests\BlogExample\Domain\Model\TtContent::class => [
+        'tableName' => 'tt_content',
+        'properties' => [
+            'uid' => [
+                'fieldName' => 'uid',
+            ],
+            'pid' => [
+                'fieldName' => 'pid',
+            ],
+            'header' => [
+                'fieldName' => 'header',
+            ],
+        ],
+    ],
+    \TYPO3Tests\BlogExample\Domain\Model\TtContentWithCType::class => [
+        'tableName' => 'tt_content',
+        'properties' => [
+            'uid' => [
+                'fieldName' => 'uid',
+            ],
+            'pid' => [
+                'fieldName' => 'pid',
+            ],
+            'header' => [
+                'fieldName' => 'header',
+            ],
+        ],
+    ],
+    \TYPO3Tests\BlogExample\Domain\Model\FrontendUserGroup::class => [
+        'tableName' => 'fe_groups',
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/Services.yaml b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/Services.yaml
new file mode 100644
index 0000000..d06fc41
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/Services.yaml
@@ -0,0 +1,51 @@
+services:
+  _defaults:
+    autowire: true
+    autoconfigure: true
+    public: false
+
+  TYPO3Tests\BlogExample\:
+    resource: '../Classes/*'
+    exclude:
+      - '../Classes/Command/*'
+      - '../Classes/Controller/*'
+      - '../Classes/Domain/*'
+
+  TYPO3Tests\BlogExample\Domain\Repository\AdministratorRepository:
+    public: true
+    calls:
+      - method: injectPersistenceManager
+        arguments:
+          - '@TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface'
+      - method: injectEventDispatcher
+        arguments:
+          - '@Psr\EventDispatcher\EventDispatcherInterface'
+      - method: injectFeatures
+        arguments:
+          - '@TYPO3\CMS\Core\Configuration\Features'
+
+  TYPO3Tests\BlogExample\Domain\Repository\BlogRepository:
+    public: true
+    calls:
+      - method: injectPersistenceManager
+        arguments:
+          - '@TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface'
+      - method: injectEventDispatcher
+        arguments:
+          - '@Psr\EventDispatcher\EventDispatcherInterface'
+      - method: injectFeatures
+        arguments:
+          - '@TYPO3\CMS\Core\Configuration\Features'
+
+  TYPO3Tests\BlogExample\Domain\Repository\PostRepository:
+    public: true
+    calls:
+      - method: injectPersistenceManager
+        arguments:
+          - '@TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface'
+      - method: injectEventDispatcher
+        arguments:
+          - '@Psr\EventDispatcher\EventDispatcherInterface'
+      - method: injectFeatures
+        arguments:
+          - '@TYPO3\CMS\Core\Configuration\Features'
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/fe_users.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/fe_users.php
new file mode 100644
index 0000000..f4a54b2
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/fe_users.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+defined('TYPO3') or die();
+
+if (is_array($GLOBALS['TCA']['fe_users']['columns']['tx_extbase_type'])) {
+    $GLOBALS['TCA']['fe_users']['types']['TYPO3Tests\BlogExample\Domain\Model\Administrator'] = $GLOBALS['TCA']['fe_users']['types']['0'];
+    $GLOBALS['TCA']['fe_users']['columns']['tx_extbase_type']['config']['items'][] = ['label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:fe_users.tx_extbase_type.TYPO3Tests\BlogExample\Domain\Model\Administrator', 'value' => 'TYPO3Tests\BlogExample\Domain\Model\Administrator'];
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/sys_template.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/sys_template.php
new file mode 100644
index 0000000..9568b58
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/sys_template.php
@@ -0,0 +1,8 @@
+<?php
+
+declare(strict_types=1);
+
+defined('TYPO3') or die();
+
+\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile('blog_example', 'Configuration/TypoScript', 'BlogExample setup');
+\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile('blog_example', 'Configuration/TypoScript/DefaultStyles', 'BlogExample CSS Styles (optional)');
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/tt_content.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/tt_content.php
new file mode 100644
index 0000000..5a5ff87
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/Overrides/tt_content.php
@@ -0,0 +1,18 @@
+<?php
+
+use TYPO3\CMS\Extbase\Utility\ExtensionUtility;
+
+defined('TYPO3') or die();
+
+(static function () {
+    ExtensionUtility::registerPlugin(
+        'blog_example',
+        'Blogs',
+        'Blog listing (JSON)'
+    );
+    ExtensionUtility::registerPlugin(
+        'blog_example',
+        'BlogPostEditing',
+        'Blog listing and editing (Fluid forms)'
+    );
+})();
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_blog.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_blog.php
new file mode 100644
index 0000000..52327fa
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_blog.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_blog',
+        'label' => 'title',
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'versioningWS' => true,
+        'languageField' => 'sys_language_uid',
+        'transOrigPointerField' => 'l18n_parent',
+        'transOrigDiffSourceField' => 'l18n_diffsource',
+        'delete' => 'deleted',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+            'fe_group' => 'fe_group',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_blog.gif',
+    ],
+    'columns' => [
+        'categories' => [
+            'config' => [
+                'type' => 'category',
+            ],
+        ],
+        'title' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_blog.title',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'subtitle' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.subtitle',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'eval' => 'trim',
+                'nullable' => true,
+            ],
+        ],
+        'description' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_blog.description',
+            'config' => [
+                'type' => 'text',
+                'required' => true,
+                'rows' => 30,
+                'cols' => 80,
+            ],
+        ],
+        'logo' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_blog.logo',
+            'config' => [
+                'type' => 'file',
+            ],
+        ],
+        'posts' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_blog.posts',
+            'config' => [
+                'type' => 'inline',
+                'foreign_table' => 'tx_blogexample_domain_model_post',
+                'foreign_field' => 'blog',
+                'foreign_sortby' => 'sorting',
+                'appearance' => [
+                    'collapseAll' => 1,
+                    'expandSingle' => 1,
+                ],
+            ],
+        ],
+        'administrator' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_blog.administrator',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectSingle',
+                'foreign_table' => 'fe_users',
+                'foreign_table_where' => "AND {#fe_users}.{#tx_extbase_type}='TYPO3Tests\\\\BlogExample\\\\Domain\\\\Model\\\\Administrator'",
+                'items' => [
+                    ['label' => '--none--', 'value' => 0],
+                ],
+                'fieldControl' => [
+                    'editPopup' => [
+                        'disabled' => false,
+                    ],
+                    'addRecord' => [
+                        'disabled' => false,
+                        'options' => [
+                            'setValue' => 'prepend',
+                        ],
+                    ],
+                ],
+                'default' => 0,
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'sys_language_uid, hidden, fe_group, title, description, logo, posts, administrator, categories'],
+    ],
+    'palettes' => [
+        '1' => ['showitem' => ''],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_comment.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_comment.php
new file mode 100644
index 0000000..9c807e8
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_comment.php
@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_comment',
+        'label' => 'date',
+        'label_alt' => 'author',
+        'label_alt_force' => true,
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'delete' => 'deleted',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_comment.gif',
+        'versioningWS' => true,
+    ],
+    'columns' => [
+        'date' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_comment.date',
+            'config' => [
+                'type' => 'datetime',
+                'dbType' => 'datetime',
+                'size' => 12,
+                'required' => true,
+                'default' => time(),
+            ],
+        ],
+        'author' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_comment.author',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'email' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_comment.email',
+            'config' => [
+                'type' => 'email',
+                'size' => 20,
+                'required' => true,
+            ],
+        ],
+        'content' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_comment.content',
+            'config' => [
+                'type' => 'text',
+                'rows' => 30,
+                'cols' => 80,
+            ],
+        ],
+        'post' => [
+            'config' => [
+                'type' => 'passthrough',
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'hidden, date, author, email, content'],
+    ],
+    'palettes' => [
+        '1' => ['showitem' => ''],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_dateexample.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_dateexample.php
new file mode 100644
index 0000000..c6cc33f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_dateexample.php
@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_dateexample',
+        'label' => 'uid',
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'delete' => 'deleted',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+            'fe_group' => 'fe_group',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_dateexample.gif',
+    ],
+    'columns' => [
+        'datetime_text' => [
+            'exclude' => true,
+            'label' => 'type=datetime, db=text',
+            'config' => [
+                'type' => 'datetime',
+            ],
+        ],
+        'datetime_int' => [
+            'exclude' => true,
+            'label' => 'type=datetime, db=int',
+            'config' => [
+                'type' => 'datetime',
+            ],
+        ],
+        'datetime_datetime' => [
+            'exclude' => true,
+            'label' => 'type=datetime, db=datetime',
+            'config' => [
+                'type' => 'datetime',
+                'dbType' => 'datetime',
+                'nullable' => true,
+            ],
+        ],
+        'custom_date' => [
+            'exclude' => true,
+            'label' => 'type=datetime dbType=date',
+            'config' => [
+                'type' => 'datetime',
+                'dbType' => 'date',
+                'format' => 'date',
+                'nullable' => true,
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'datetime_text, datetime_int, datetime_datetime'],
+    ],
+    'palettes' => [
+        '1' => ['showitem' => ''],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_datetimeimmutableexample.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_datetimeimmutableexample.php
new file mode 100644
index 0000000..eeb14bd
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_datetimeimmutableexample.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'DateTimeImmutable Example',
+        'label' => 'uid',
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_dateexample.gif',
+    ],
+    'columns' => [
+        'datetime_immutable_text' => [
+            'exclude' => true,
+            'label' => 'type=datetime, db=text',
+            'config' => [
+                'type' => 'datetime',
+            ],
+        ],
+        'datetime_immutable_int' => [
+            'exclude' => true,
+            'label' => 'type=datetime, db=int',
+            'config' => [
+                'type' => 'datetime',
+            ],
+        ],
+        'datetime_immutable_datetime' => [
+            'exclude' => true,
+            'label' => 'type=datetime, db=datetime',
+            'config' => [
+                'type' => 'datetime',
+                'dbType' => 'datetime',
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'datetime_immutable_text, datetime_immutable_int, datetime_immutable_datetime'],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_info.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_info.php
new file mode 100644
index 0000000..fe909c2
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_info.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_info',
+        'label' => 'name',
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'versioningWS' => true,
+        'languageField' => 'sys_language_uid',
+        'transOrigPointerField' => 'l18n_parent',
+        'transOrigDiffSourceField' => 'l18n_diffsource',
+        'delete' => 'deleted',
+        'sortby' => 'sorting',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_tag.gif',
+    ],
+    'columns' => [
+        'name' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_info.name',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'post' => [
+            'config' => [
+                'type' => 'passthrough',
+            ],
+        ],
+    ],
+    'types' => [
+        0 => ['showitem' => 'sys_language_uid, l18n_parent, hidden, name'],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_person.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_person.php
new file mode 100644
index 0000000..bce8049
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_person.php
@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person',
+        'label' => 'lastname',
+        'label_alt' => 'firstname',
+        'label_alt_force' => true,
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'versioningWS' => true,
+        'languageField' => 'sys_language_uid',
+        'transOrigPointerField' => 'l10n_parent',
+        'prependAtCopy' => 'LLL:EXT:core/Resources/Private/Language/locallang_general.xlf:LGL.prependAtCopy',
+        'delete' => 'deleted',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+        ],
+        'extbase' => [
+            'enableHistoryTracking' => false,
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_person.gif',
+    ],
+    'columns' => [
+        'firstname' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person.firstname',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'lastname' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person.lastname',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'country' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person.country',
+            'config' => [
+                'type' => 'country',
+                'labelField' => 'iso2',
+                'default' => 'AT',
+            ],
+        ],
+        'email' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person.email',
+            'config' => [
+                'type' => 'email',
+                'size' => 20,
+                'required' => true,
+            ],
+        ],
+        'salutation' => [
+            'config' => [
+                'type' => 'passthrough',
+            ],
+        ],
+        'tags' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person.tags',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectMultipleSideBySide',
+                'foreign_table' => 'tx_blogexample_domain_model_tag',
+                'MM' => 'tx_blogexample_domain_model_tag_mm',
+                'MM_match_fields' => [
+                    'fieldname' => 'tags',
+                    'tablenames' => 'tx_blogexample_domain_model_person',
+                ],
+                'MM_opposite_field' => 'items',
+            ],
+        ],
+        'tags_special' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_person.tags_special',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectMultipleSideBySide',
+                'foreign_table' => 'tx_blogexample_domain_model_tag',
+                'MM' => 'tx_blogexample_domain_model_tag_mm',
+                'MM_match_fields' => [
+                    'fieldname' => 'tags_special',
+                    'tablenames' => 'tx_blogexample_domain_model_person',
+                ],
+                'MM_opposite_field' => 'items',
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'sys_language_uid, firstname, lastname, country, email, salutation, avatar, tags, tags_special'],
+    ],
+    'palettes' => [
+        '1' => ['showitem' => ''],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_post.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_post.php
new file mode 100644
index 0000000..bafeb99
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_post.php
@@ -0,0 +1,218 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post',
+        'label' => 'title',
+        'label_alt' => 'author',
+        'label_alt_force' => true,
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'versioningWS' => true,
+        'languageField' => 'sys_language_uid',
+        'transOrigPointerField' => 'l18n_parent',
+        'transOrigDiffSourceField' => 'l18n_diffsource',
+        'delete' => 'deleted',
+        'sortby' => 'sorting',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_post.gif',
+    ],
+    'types' => [
+        '1' => ['showitem' => 'sys_language_uid, hidden, blog, title, date, archive_date, author, second_author, content, tags, comments, related_posts, additional_name, additional_info, additional_comments, categories'],
+    ],
+    'columns' => [
+        'categories' => [
+            'config' => [
+                'type' => 'category',
+            ],
+        ],
+        'blog' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.blog',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectSingle',
+                'foreign_table' => 'tx_blogexample_domain_model_blog',
+            ],
+        ],
+        'title' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.title',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'date' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.date',
+            'config' => [
+                'type' => 'datetime',
+                'size' => 12,
+                'required' => true,
+                'default' => time(),
+            ],
+        ],
+        'archive_date' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.archive_date',
+            'config' => [
+                'type' => 'datetime',
+                'size' => 12,
+            ],
+        ],
+        'author' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.author',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectSingle',
+                'items' => [
+                    ['label' => '--none--', 'value' => 0],
+                ],
+                'foreign_table' => 'tx_blogexample_domain_model_person',
+                'fieldControl' => [
+                    'editPopup' => [
+                        'disabled' => false,
+                    ],
+                    'addRecord' => [
+                        'disabled' => false,
+                        'options' => [
+                            'setValue' => 'prepend',
+                        ],
+                    ],
+                ],
+                'default' => 0,
+            ],
+        ],
+        'second_author' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.second_author',
+            'config' => [
+                'type' => 'group',
+                'allowed' => 'tx_blogexample_domain_model_person',
+                'relationship' => 'manyToOne',
+                'fieldControl' => [
+                    'editPopup' => [
+                        'disabled' => false,
+                    ],
+                    'addRecord' => [
+                        'disabled' => false,
+                    ],
+                    'listModule' => [
+                        'disabled' => false,
+                    ],
+                ],
+                'default' => 0,
+            ],
+        ],
+        'reviewer' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.reviewer',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectSingle',
+                'foreign_table' => 'tx_blogexample_domain_model_person',
+                'fieldControl' => [
+                    'editPopup' => [
+                        'disabled' => false,
+                    ],
+                    'addRecord' => [
+                        'disabled' => false,
+                        'options' => [
+                            'setValue' => 'prepend',
+                        ],
+                    ],
+                ],
+            ],
+        ],
+        'content' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.content',
+            'config' => [
+                'type' => 'text',
+                'rows' => 30,
+                'cols' => 80,
+            ],
+        ],
+        'tags' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.tags',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectMultipleSideBySide',
+                'foreign_table' => 'tx_blogexample_domain_model_tag',
+                'MM' => 'tx_blogexample_domain_model_tag_mm',
+                'MM_match_fields' => [
+                    'fieldname' => 'tags',
+                    'tablenames' => 'tx_blogexample_domain_model_post',
+                ],
+                'MM_opposite_field' => 'items',
+            ],
+        ],
+        'comments' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.comments',
+            'config' => [
+                'type' => 'inline',
+                'foreign_table' => 'tx_blogexample_domain_model_comment',
+                'foreign_field' => 'post',
+                'foreign_default_sortby' => 'uid desc',
+                'size' => 10,
+                'autoSizeMax' => 30,
+                'multiple' => 0,
+                'appearance' => [
+                    'collapseAll' => 1,
+                    'expandSingle' => 1,
+                ],
+            ],
+        ],
+        'related_posts' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.related',
+            'config' => [
+                'type' => 'select',
+                'renderType' => 'selectMultipleSideBySide',
+                'size' => 10,
+                'foreign_table' => 'tx_blogexample_domain_model_post',
+                'foreign_table_where' => 'AND ###THIS_UID### != {#tx_blogexample_domain_model_post}.{#uid}',
+                'MM' => 'tx_blogexample_post_post_mm',
+            ],
+        ],
+        'additional_name' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.additional_name',
+            'config' => [
+                'type' => 'inline', // this will store the info uid in the additional_name field (CSV)
+                'foreign_table' => 'tx_blogexample_domain_model_info',
+                'relationship' => 'manyToOne',
+                'default' => 0,
+            ],
+        ],
+        'additional_info' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.additional_info',
+            'config' => [
+                'type' => 'inline', // this will store the post uid in the post field of the info table
+                'foreign_table' => 'tx_blogexample_domain_model_info',
+                'foreign_field' => 'post',
+                'relationship' => 'manyToOne',
+                'default' => 0,
+            ],
+        ],
+        'additional_comments' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_post.additional_comments',
+            'config' => [
+                'type' => 'inline', // this will store the comments uids in the additional_comments field (CSV)
+                'foreign_table' => 'tx_blogexample_domain_model_comment',
+                'maxitems' => 200,
+            ],
+        ],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_registryentry.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_registryentry.php
new file mode 100644
index 0000000..2d57b61
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_registryentry.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'columns' => [
+        'name' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_registryentry.name',
+            'config' => [
+                'type' => 'input',
+            ],
+        ],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_restrictedcomment.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_restrictedcomment.php
new file mode 100644
index 0000000..e00f49f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_restrictedcomment.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_restrictedcomment',
+        'label' => 'content',
+        'tstamp' => 'customtstamp',
+        'crdate' => 'customcrdate',
+        'delete' => 'customdeleted',
+        'languageField' => 'customsyslanguageuid',
+        'translationSource' => 'custom_l10182342n_source',
+        'transOrigPointerField' => 'custom_l10182342n_parent',
+        'transOrigDiffSourceField' => 'custom_l10182342n_diff',
+        'type' => 'custom_ctype',
+        'enablecolumns' => [
+            'disabled' => 'customhidden',
+            'starttime' => 'customstarttime',
+            'endtime' => 'customendtime',
+            'fe_group' => 'customfegroup',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_comment.gif',
+    ],
+    'columns' => [
+        'content' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_comment.content',
+            'config' => [
+                'type' => 'text',
+                'rows' => 30,
+                'cols' => 80,
+            ],
+        ],
+        'custom_ctype' => [
+            'config' => [
+                'type' => 'passthrough',
+                'default' => '',
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'customhidden, customstartime, customendtime, customfegroup, content'],
+    ],
+    'palettes' => [
+        '1' => ['showitem' => ''],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_tag.php b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_tag.php
new file mode 100644
index 0000000..fed5508
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TCA/tx_blogexample_domain_model_tag.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    'ctrl' => [
+        'title' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_tag',
+        'label' => 'name',
+        'tstamp' => 'tstamp',
+        'crdate' => 'crdate',
+        'versioningWS' => true,
+        'languageField' => 'sys_language_uid',
+        'transOrigPointerField' => 'l18n_parent',
+        'transOrigDiffSourceField' => 'l18n_diffsource',
+        'delete' => 'deleted',
+        'enablecolumns' => [
+            'disabled' => 'hidden',
+        ],
+        'iconfile' => 'EXT:blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_tag.gif',
+    ],
+    'columns' => [
+        'name' => [
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_tag.name',
+            'config' => [
+                'type' => 'input',
+                'size' => 20,
+                'required' => true,
+                'eval' => 'trim',
+            ],
+        ],
+        'items' => [
+            'exclude' => true,
+            'label' => 'LLL:EXT:blog_example/Resources/Private/Language/locallang_db.xlf:tx_blogexample_domain_model_tag.items',
+            'config' => [
+                'type' => 'group',
+                'allowed' => 'tx_blogexample_domain_model_person,tx_blogexample_domain_model_post',
+                'size' => 10,
+                'MM' => 'tx_blogexample_domain_model_tag_mm',
+                'MM_oppositeUsage' => [
+                    'tx_blogexample_domain_model_person' => [
+                        'tags',
+                        'tags_special',
+                    ],
+                    'tx_blogexample_domain_model_post' => [
+                        'tags',
+                    ],
+                ],
+            ],
+        ],
+    ],
+    'types' => [
+        '1' => ['showitem' => 'sys_language_uid, hidden, name, items'],
+    ],
+    'palettes' => [
+        '1' => ['showitem' => ''],
+    ],
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/Frontend/setup.typoscript b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/Frontend/setup.typoscript
new file mode 100644
index 0000000..de24936
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/Frontend/setup.typoscript
@@ -0,0 +1,21 @@
+config {
+  no_cache = 1
+  debug = 1
+  admPanel = 0
+  disableAllHeaderCode = 1
+}
+page = PAGE
+page {
+  typeNum = 0
+  10 < styles.content.get
+  20 < styles.content.get
+  20 {
+    select.where = {#colPos}=1
+    slide = -1
+  }
+}
+plugin.tx_blogexample {
+	persistence {
+		storagePid = 3
+	}
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/constants.typoscript b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/constants.typoscript
new file mode 100644
index 0000000..1eb471f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/constants.typoscript
@@ -0,0 +1,10 @@
+plugin.tx_blogexample {
+	settings {
+		 # cat=plugin.tx_blogexample/a; type=int+; label=Editor FE Usergroup uid:Enter the uid of the FE Usergroup that should be allowed to edit Blogs and Post in the frontend
+		editorUsergroupUid = 1
+	}
+	persistence {
+		 # cat=plugin.tx_blogexample//a; type=int+; label=Default storage PID
+		storagePid =
+	}
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/setup.typoscript b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/setup.typoscript
new file mode 100644
index 0000000..29686a0
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Configuration/TypoScript/setup.typoscript
@@ -0,0 +1,16 @@
+ # Plugin configuration
+plugin.tx_blogexample {
+	settings {
+		 # maximum number of posts to display per page
+		postsPerPage = 3
+		 # Editor FE Usergroup uid
+		editorUsergroupUid = {$plugin.tx_blogexample.settings.editorUsergroupUid}
+		 # Plaintext page type number
+		plaintextPageType = {$plugin.tx_blogexample.settings.plaintextPageType}
+		# When creating new entries, where to store records
+		pidNewRecords = {$plugin.tx_blogexample.persistence.storagePid}
+	}
+	persistence {
+		storagePid = {$plugin.tx_blogexample.persistence.storagePid}
+	}
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Language/locallang_db.xlf b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Language/locallang_db.xlf
new file mode 100644
index 0000000..d6cd882
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Language/locallang_db.xlf
@@ -0,0 +1,167 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" version="1.2">
+  <file source-language="en" datatype="plaintext" original="EXT:blog_example/Resources/Private/Language/locallang_db.xlf" date="2020-06-03T15:50:00Z" product-name="blog_example">
+    <header/>
+    <body>
+      <trans-unit id="tx_blogexample_domain_model_blog">
+        <source>Blog</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_blog.title">
+        <source>Blog title</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_blog.description">
+        <source>Short description</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_blog.logo">
+        <source>Logo</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_blog.posts">
+        <source>Posts</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_blog.administrator">
+        <source>Administrator</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post">
+        <source>Post</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.blog">
+        <source>Related to</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.title">
+        <source>Title</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.subtitle">
+        <source>Title</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.date">
+        <source>Date</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.archive_date">
+        <source>Archive date</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.author">
+        <source>Author</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.second_author">
+        <source>Second author</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.reviewer">
+        <source>Reviewer</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.content">
+        <source>Content</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.votes">
+        <source>Votes</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.published">
+        <source>Published</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.tags">
+        <source>Tags</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.comments">
+        <source>Comments</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.related">
+        <source>Related posts</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.additional_info">
+        <source>Additional info (inline 1:1 foreign_field)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.additional_name">
+        <source>Additional name (inline 1:1 csv)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_post.additional_comments">
+        <source>Additional comments (inline 1:n csv)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person">
+        <source>Person</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.firstname">
+        <source>Firstname</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.lastname">
+        <source>Lastname</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.country">
+        <source>Country</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.email">
+        <source>E-Mail</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.avatar">
+        <source>Avatar</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.tags">
+        <source>Tags</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_person.tags_special">
+        <source>Special tags</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_comment">
+        <source>Comment</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_comment.date">
+        <source>Date</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_comment.author">
+        <source>Author</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_comment.reviewer">
+        <source>Reviewer</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_comment.email">
+        <source>Email</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_comment.content">
+        <source>Content</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_restrictedcomment">
+        <source>Restricted Comment</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_restrictedcomment.customhidden">
+        <source>Disabled (custom)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_restrictedcomment.customstarttime">
+        <source>Starttime (custom)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_restrictedcomment.customendtime">
+        <source>Endtime (custom)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_restrictedcomment.customfegroup">
+        <source>Fe-Group (custom)</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_restrictedcomment.content">
+        <source>Content</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_registryentry.name">
+        <source>Registry Entry Key</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_tag">
+        <source>Tag</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_tag.name">
+        <source>Name</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_tag.items">
+        <source>Related items</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_info">
+        <source>Additional Info</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_info.name">
+        <source>Additional name</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_info.post">
+        <source>Post - parent</source>
+      </trans-unit>
+      <trans-unit id="tx_blogexample_domain_model_dateexample">
+        <source>Date example</source>
+      </trans-unit>
+      <trans-unit id="fe_users.tx_extbase_type.TYPO3Tests\BlogExample\Domain\Model\Administrator">
+        <source>Blog Admin (BlogExample)</source>
+      </trans-unit>
+    </body>
+  </file>
+</xliff>
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/Edit.fluid.html b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/Edit.fluid.html
new file mode 100644
index 0000000..706e8d5
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/Edit.fluid.html
@@ -0,0 +1,52 @@
+<div class="form-errors">
+    <f:flashMessages />
+
+    <f:form.validationResults>
+        <f:if condition="{validationResults.flattenedErrors}">
+            <div class="errors" id="form-feedback">
+                <ul class="typo3-messages">
+                    <f:for each="{validationResults.flattenedErrors}" key="propertyName" as="errors">
+                        <f:for each="{errors}" as="propertyError">
+                            <li class="alert alert-danger" data-error="{propertyError.code}">
+                                {propertyName}: {propertyError.message}
+                            </li>
+                        </f:for>
+                    </f:for>
+                </ul>
+            </div>
+        </f:if>
+    </f:form.validationResults>
+</div>
+
+<f:form action="persist" name="blog" object="{blog}">
+    <div class="section-title">
+        <label for="persist-title">Title</label>
+        <f:form.textfield required="1" id="persist-title" property="title" />
+    </div>
+
+    <div class="section-title">
+        <label for="persist-categories">Categories</label>
+        <ul class="available-categories-list">
+            <f:for each="{categories}" as="category">
+                <li>#{category.uid} - {category.title}</li>
+            </f:for>
+        </ul>
+        <p>Currently set:</p>
+        <ul class="set-categories-list">
+            <f:for each="{blog.categories}" as="category">
+                <li>#{category.uid} - {category.title}</li>
+            </f:for>
+        </ul>
+
+        <f:form.select property="categories"
+                       id="persist-categories"
+                       options="{categoriesSelect}"
+                       multiple="multiple" />
+    </div>
+
+    <f:form.submit name="submit" value="save" />
+</f:form>
+
+<p>
+    <f:link.action action="list" class="list-link">back to list</f:link.action>
+</p>
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/List.fluid.html b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/List.fluid.html
new file mode 100644
index 0000000..7291c2f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/List.fluid.html
@@ -0,0 +1,19 @@
+<ul data-type="blog">
+    <f:for each="{blogs}" as="blog">
+        <li><span class="blogtitle">{blog.title}</span>
+            <ul data-type="category">
+                <f:for each="{blog.categories}" as="category">
+                    <li>{category.title}</li>
+                </f:for>
+            </ul>
+
+            <f:link.action action="edit" class="edit-link" arguments="{blog: blog}">edit</f:link.action>
+            <f:link.action action="view" class="view-link" arguments="{blog: blog}">view</f:link.action>
+        </li>
+    </f:for>
+
+</ul>
+
+<p>
+    <f:link.action action="new" class="new-link">create new</f:link.action>
+</p>
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/New.fluid.html b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/New.fluid.html
new file mode 100644
index 0000000..6ae44db
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/New.fluid.html
@@ -0,0 +1,40 @@
+<div class="form-errors">
+    <f:flashMessages />
+    <f:form.validationResults>
+        <f:if condition="{validationResults.flattenedErrors}">
+            <div class="errors" id="form-feedback">
+                <ul class="typo3-messages">
+                    <f:for each="{validationResults.flattenedErrors}" key="propertyName" as="errors">
+                        <f:for each="{errors}" as="propertyError">
+                            <li class="alert alert-danger" data-error="{propertyError.code}">
+                                {propertyName}: {propertyError.message}
+                            </li>
+                        </f:for>
+                    </f:for>
+                </ul>
+            </div>
+        </f:if>
+    </f:form.validationResults>
+</div>
+
+<f:form action="create" name="blog" object="{blog}">
+    <div class="section-title">
+        <label for="persist-title">Title</label>
+        <f:form.textfield id="persist-title" required="1" property="title" />
+    </div>
+
+    <div class="section-title">
+        <label for="persist-categories">Categories</label>
+        <!-- intentionally a list of extbase identities here, not really "human-readable" -->
+        <f:form.select property="categories"
+                       id="persist-categories"
+                       options="{categories}"
+                       multiple="multiple" />
+    </div>
+
+    <f:form.submit name="submit" value="create" />
+</f:form>
+
+<p>
+    <f:link.action action="list" class="list-link">back to list</f:link.action>
+</p>
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/View.fluid.html b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/View.fluid.html
new file mode 100644
index 0000000..a64d894
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Private/Templates/BlogPostEditing/View.fluid.html
@@ -0,0 +1,6 @@
+<h2>{blog.title}</h2>
+<p>#{blog.uid}</p>
+
+<p>
+    <f:link.action action="list" class="list-link">back to list</f:link.action>
+</p>
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/Extension.svg b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/Extension.svg
new file mode 100644
index 0000000..bca7a17
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/Extension.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><path fill="#FF8700" d="M0 0h64v64H0z"/><path fill="#FFF" d="M42.8 32.8c-3.6 0-8.1-10.1-8.1-15.1 0-2.3.9-2.7 3.2-2.7 5.5 0 11 .9 11 4-.1 6.2-4 13.8-6.1 13.8zM28.5 18.5c0 5 6.4 20.2 10.7 20.2.5 0 .9-.1 1.4-.2-3.8 6.1-8.4 10.6-11.2 10.6-5.9 0-14.3-17.9-14.3-25.7 0-1.2.3-2.2.7-2.8 2-2.5 8.4-4.4 13.7-5-.6.4-1 1-1 2.9z"/></svg>
\ No newline at end of file
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_blog.gif b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_blog.gif
new file mode 100644
index 0000000..e1b396e
Binary files /dev/null and b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_blog.gif differ
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_comment.gif b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_comment.gif
new file mode 100644
index 0000000..6c46bfe
Binary files /dev/null and b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_comment.gif differ
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_dateexample.gif b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_dateexample.gif
new file mode 100644
index 0000000..a8af198
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diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_person.gif b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_person.gif
new file mode 100644
index 0000000..fb089de
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diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_post.gif b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_post.gif
new file mode 100644
index 0000000..858ee46
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diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_tag.gif b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_tag.gif
new file mode 100644
index 0000000..bc373bf
Binary files /dev/null and b/Tests/Functional/Fixtures/Extensions/blog_example/Resources/Public/Icons/icon_tx_blogexample_domain_model_tag.gif differ
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/composer.json b/Tests/Functional/Fixtures/Extensions/blog_example/composer.json
new file mode 100644
index 0000000..6b1e66f
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/composer.json
@@ -0,0 +1,19 @@
+{
+	"name": "typo3tests/blog-example",
+	"type": "typo3-cms-extension",
+	"description": "A test extension for extbase",
+	"license": "GPL-2.0-or-later",
+	"require": {
+		"typo3/cms-core": "*@dev"
+	},
+	"extra": {
+		"typo3/cms": {
+			"extension-key": "blog_example"
+		}
+	},
+	"autoload": {
+		"psr-4": {
+			"TYPO3Tests\\BlogExample\\": "Classes/"
+		}
+	}
+}
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/ext_emconf.php b/Tests/Functional/Fixtures/Extensions/blog_example/ext_emconf.php
new file mode 100644
index 0000000..9652fa6
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/ext_emconf.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+$EM_CONF[$_EXTKEY] = [
+    'title' => 'Functional test related extension derived from blog_example',
+    'description' => 'A test related extension used to verify various extbase features',
+    'category' => 'example',
+    'author' => 'TYPO3 core team',
+    'author_company' => '',
+    'author_email' => '',
+    'state' => 'stable',
+    'version' => '14.2.0',
+    'constraints' => [
+        'depends' => [
+            'typo3' => '14.2.0',
+        ],
+        'conflicts' => [],
+        'suggests' => [],
+    ]
+];
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/ext_localconf.php b/Tests/Functional/Fixtures/Extensions/blog_example/ext_localconf.php
new file mode 100644
index 0000000..f417e30
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/ext_localconf.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+use TYPO3\CMS\Extbase\Utility\ExtensionUtility;
+use TYPO3Tests\BlogExample\Controller\BlogController;
+use TYPO3Tests\BlogExample\Controller\BlogPostEditingController;
+use TYPO3Tests\BlogExample\Controller\ContentController;
+
+defined('TYPO3') or die();
+
+ExtensionUtility::configurePlugin(
+    'BlogExample',
+    'Blogs',
+    [
+        BlogController::class => ['list', 'details', 'testSingle', 'testForm', 'testForward', 'testForwardTarget', 'testRelatedObject'],
+    ],
+    pluginType: ExtensionUtility::PLUGIN_TYPE_CONTENT_ELEMENT,
+);
+ExtensionUtility::configurePlugin(
+    'BlogExample',
+    'Content',
+    [
+        ContentController::class => ['list'],
+    ],
+    pluginType: ExtensionUtility::PLUGIN_TYPE_CONTENT_ELEMENT,
+);
+ExtensionUtility::configurePlugin(
+    'BlogExample',
+    'BlogPostEditing',
+    [
+        BlogPostEditingController::class => ['list', 'view', 'edit', 'persist', 'new', 'create'],
+    ],
+    [
+        BlogPostEditingController::class => ['list', 'view', 'edit', 'persist', 'new', 'create'],
+    ],
+    pluginType: ExtensionUtility::PLUGIN_TYPE_CONTENT_ELEMENT,
+);
diff --git a/Tests/Functional/Fixtures/Extensions/blog_example/ext_tables.sql b/Tests/Functional/Fixtures/Extensions/blog_example/ext_tables.sql
new file mode 100644
index 0000000..4fd6282
--- /dev/null
+++ b/Tests/Functional/Fixtures/Extensions/blog_example/ext_tables.sql
@@ -0,0 +1,23 @@
+# Table for NoTcaEntity - intentionally has no TCA definition to test history tracker fallback
+CREATE TABLE tx_blogexample_domain_model_notcaentity (
+	uid int(11) NOT NULL AUTO_INCREMENT,
+	pid int(11) DEFAULT 0 NOT NULL,
+	title varchar(255) DEFAULT '' NOT NULL,
+	PRIMARY KEY (uid),
+	KEY parent (pid)
+);
+
+CREATE TABLE tx_blogexample_domain_model_person (
+	# type=passthrough needs manual configuration
+	salutation varchar(4) DEFAULT '' NOT NULL,
+);
+
+# @deprecated Can be removed as soon as int / native type is enforced
+CREATE TABLE tx_blogexample_domain_model_dateexample (
+	datetime_text varchar(255) DEFAULT '' NOT NULL,
+);
+
+# @deprecated Can be removed as soon as int / native type is enforced
+CREATE TABLE tx_blogexample_domain_model_datetimeimmutableexample (
+	datetime_immutable_text varchar(255) DEFAULT '' NOT NULL,
+);
diff --git a/Tests/Functional/Service/Fixtures/convert_model_to_raw_record.csv b/Tests/Functional/Service/Fixtures/convert_model_to_raw_record.csv
new file mode 100644
index 0000000..934fda1
--- /dev/null
+++ b/Tests/Functional/Service/Fixtures/convert_model_to_raw_record.csv
@@ -0,0 +1,19 @@
+"pages"
+,"uid","pid","sorting","title","deleted","perms_everybody"
+,1,0,128,"Root",0,15
+fe_users,,,,,
+,uid,pid,username,password,name,tx_extbase_type,usergroup,disable,deleted
+,1,1,admin,password,John Doe,TYPO3Tests\BlogExample\Domain\Model\Administrator,"1,2",0,0
+fe_groups,,,,
+,uid,pid,title,hidden,deleted
+,1,1,"Group A",0,0
+,2,1,"Group B",0,0
+tx_blogexample_domain_model_blog,,,
+,uid,pid,title,description,posts,categories,administrator,sys_language_uid,l18n_parent,t3ver_oid,t3ver_state,t3ver_wsid
+,1,1,"New Blog Post","This is a new blog post.",2,0,1,0,0,0,0,0
+,2,1,"Neuer Blog Post","Dies ist ein neuer Blog Post.",0,0,1,1,1,0,0,0
+,3,1,"New Blog Post (WS)","This is a new blog post (workspace draft).",0,0,1,0,0,1,0,1
+tx_blogexample_domain_model_post,,,
+,uid,pid,blog,title,date,hidden,deleted
+,1,1,1,"First post for blog 1",1710000000,0,0
+,2,1,1,"Second post for blog 1",1710003600,0,0
diff --git a/Tests/Functional/Service/LocalizationServiceTest.php b/Tests/Functional/Service/LocalizationServiceTest.php
new file mode 100644
index 0000000..f1a6bdf
--- /dev/null
+++ b/Tests/Functional/Service/LocalizationServiceTest.php
@@ -0,0 +1,147 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TYPO3\CMS\VisualEditor\Tests\Functional\Service;
+
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\VisualEditor\Service\LocalizationService;
+use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
+
+final class LocalizationServiceTest extends FunctionalTestCase
+{
+    protected array $testExtensionsToLoad = [
+        'typo3conf/ext/visual_editor',
+    ];
+
+    protected function tearDown(): void
+    {
+        unset($GLOBALS['BE_USER']);
+        parent::tearDown();
+    }
+
+    public function testTryTranslationLoadsDefaultLanguageLabelFromExtensionFile(): void
+    {
+        $subject = new LocalizationService();
+
+        self::assertSame(
+            'Save',
+            $subject->tryTranslation(
+                'LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:save',
+                null,
+                'en'
+            )
+        );
+    }
+
+    public function testTryTranslationUsesBackendUserLanguageWhenNoLanguageIsGiven(): void
+    {
+        $backendUser = new BackendUserAuthentication();
+        $backendUser->user['lang'] = 'de';
+        $GLOBALS['BE_USER'] = $backendUser;
+
+        $subject = new LocalizationService();
+
+        self::assertSame(
+            'Speichern',
+            $subject->tryTranslation('LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:save')
+        );
+    }
+
+    public function testTryTranslationReturnsLabelKeyWhenTranslationNotFound(): void
+    {
+        $subject = new LocalizationService();
+
+        $label = 'LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:nonexistent';
+        self::assertSame(
+            $label,
+            $subject->tryTranslation($label, null, 'en')
+        );
+    }
+
+    public function testTryTranslationWithArgumentsSubstitution(): void
+    {
+        $subject = new LocalizationService();
+
+        self::assertSame(
+            'Save 5 changes',
+            $subject->tryTranslation(
+                'LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:save.changes',
+                [5],
+                'en'
+            )
+        );
+    }
+
+    public function testTryTranslationWithFallback(): void
+    {
+        $subject = new LocalizationService();
+
+        $result = $subject->tryTranslation(
+            'LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:save',
+            null,
+            'fr',
+        );
+
+        self::assertEquals('Save', $result);
+    }
+
+    public function testTryTranslationReturnsOriginalLabelWhenBackendUserNotSet(): void
+    {
+        $subject = new LocalizationService();
+
+        $result = $subject->tryTranslation(
+            'LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:save'
+        );
+
+        self::assertEquals('Save', $result);
+    }
+
+    public function testGetBackendUserLanguageReturnsLanguageWhenBackendUserExists(): void
+    {
+        $backendUser = new BackendUserAuthentication();
+        $backendUser->user['lang'] = 'de';
+        $GLOBALS['BE_USER'] = $backendUser;
+
+        $subject = new LocalizationService();
+
+        self::assertSame('de', $subject->getBackendUserLanguage());
+    }
+
+    public function testGetBackendUserLanguageReturnsNullWhenBackendUserNotSet(): void
+    {
+        $subject = new LocalizationService();
+
+        self::assertNull($subject->getBackendUserLanguage());
+    }
+
+    public function testGetBackendUserLanguageReturnsNullWhenLanguageNotSetInUser(): void
+    {
+        $backendUser = new BackendUserAuthentication();
+        $GLOBALS['BE_USER'] = $backendUser;
+
+        $subject = new LocalizationService();
+
+        self::assertNull($subject->getBackendUserLanguage());
+    }
+
+    public function testTryTranslationLoadsMultipleTranslationsWithDifferentKeys(): void
+    {
+        $subject = new LocalizationService();
+
+        self::assertSame(
+            'Save',
+            $subject->tryTranslation('LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:save', null, 'en')
+        );
+
+        self::assertSame(
+            'Saving ...',
+            $subject->tryTranslation('LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:saving', null, 'en')
+        );
+
+        self::assertSame(
+            'reset changes',
+            $subject->tryTranslation('LLL:EXT:visual_editor/Resources/Private/Language/locallang.xlf:frontend.resetChanges', null, 'en')
+        );
+    }
+}
diff --git a/Tests/Functional/Service/ModelToRawRecordServiceTest.php b/Tests/Functional/Service/ModelToRawRecordServiceTest.php
new file mode 100644
index 0000000..441cc03
--- /dev/null
+++ b/Tests/Functional/Service/ModelToRawRecordServiceTest.php
@@ -0,0 +1,144 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TYPO3\CMS\VisualEditor\Tests\Functional\Service;
+
+use InvalidArgumentException;
+use PHPUnit\Framework\Attributes\Test;
+use TYPO3\CMS\VisualEditor\Service\ModelToRawRecordService;
+use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
+use TYPO3Tests\BlogExample\Domain\Model\Administrator;
+use TYPO3Tests\BlogExample\Domain\Model\Blog;
+use TYPO3Tests\BlogExample\Domain\Model\Post;
+use TYPO3Tests\BlogExample\Domain\Model\TtContent;
+use TYPO3Tests\BlogExample\Domain\Repository\AdministratorRepository;
+use TYPO3Tests\BlogExample\Domain\Repository\BlogRepository;
+use TYPO3Tests\BlogExample\Domain\Repository\PostRepository;
+
+final class ModelToRawRecordServiceTest extends FunctionalTestCase
+{
+    protected array $testExtensionsToLoad = [
+        __DIR__ . '/../Fixtures/Extensions/blog_example',
+        'typo3conf/ext/visual_editor',
+    ];
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->importCSVDataSet(__DIR__ . '/Fixtures/convert_model_to_raw_record.csv');
+    }
+
+    #[Test]
+    public function mapsAdministratorToFeUsersAndAddsTypeField(): void
+    {
+        $administrator = $this->get(AdministratorRepository::class)->findByUid(1);
+        self::assertInstanceOf(Administrator::class, $administrator);
+
+        $record = $this->get(ModelToRawRecordService::class)->modelToRawRecord($administrator);
+
+        self::assertSame('fe_users.' . Administrator::class, $record->getFullType());
+        self::assertSame('John Doe', $record->get('name'));
+
+        // basic identity + computed properties
+        self::assertSame($administrator->getUid(), $record->getUid());
+        self::assertSame($administrator->getPid(), $record->getPid());
+        self::assertSame($administrator->_getProperty('_versionedUid'), $record->getComputedProperties()->getVersionedUid());
+        self::assertSame($administrator->_getProperty('_localizedUid'), $record->getComputedProperties()->getLocalizedUid());
+
+        // record type field should be set for Administrator mapping (Classes.php defines recordType)
+        self::assertSame(Administrator::class, $record->get('tx_extbase_type'));
+
+        // fe_users doesn't have a language column in the data map -> must not create an empty/null key
+        self::assertFalse($record->has('sys_language_uid'));
+    }
+
+    #[Test]
+    public function mapsBlogScalarsAndLanguageMetadata(): void
+    {
+        $blog = $this->get(BlogRepository::class)->findByUid(1);
+        self::assertInstanceOf(Blog::class, $blog);
+
+        $record = $this->get(ModelToRawRecordService::class)->modelToRawRecord($blog);
+
+        self::assertSame('tx_blogexample_domain_model_blog', $record->getFullType());
+        self::assertSame('New Blog Post', $record->get('title'));
+        self::assertSame('This is a new blog post.', $record->get('description'));
+
+        self::assertSame($blog->getUid(), $record->getUid());
+        self::assertSame($blog->getPid(), $record->getPid());
+        self::assertSame($blog->_getProperty('_versionedUid'), $record->getComputedProperties()->getVersionedUid());
+        self::assertSame($blog->_getProperty('_localizedUid'), $record->getComputedProperties()->getLocalizedUid());
+
+        // language uid is mapped to sys_language_uid for this table
+        self::assertSame(0, $record->get('sys_language_uid'));
+
+        // record type field should not be added for Blog (no recordType in mapping)
+        self::assertFalse($record->has('tx_extbase_type'));
+
+        self::assertFalse($record->has('posts'));
+        self::assertFalse($record->has('categories'));
+        self::assertFalse($record->has('administrator'));
+        self::assertFalse($record->has('logo'));
+    }
+
+    #[Test]
+    public function includesNullableScalarsAndSkipsRelationsOnNewBlog(): void
+    {
+        $blog = new Blog();
+        $blog->setPid(1);
+        $blog->setTitle('t');
+        $blog->setDescription('d');
+        $blog->setSubtitle(null);
+
+        $record = $this->get(ModelToRawRecordService::class)->modelToRawRecord($blog);
+
+        self::assertSame('tx_blogexample_domain_model_blog', $record->getFullType());
+        self::assertSame(0, $record->getUid());
+        self::assertSame(1, $record->getPid());
+        self::assertSame('t', $record->get('title'));
+        self::assertSame('d', $record->get('description'));
+        self::assertTrue($record->has('subtitle'), 'The subtitle property should be included in the raw record even if it is null, as it is a scalar value and has a column mapping.');
+        self::assertNull($record->get('subtitle'));
+        self::assertFalse($record->has('posts'));
+        self::assertFalse($record->has('logo'));
+        self::assertFalse($record->has('categories'));
+        self::assertTrue($record->has('administrator'));
+        self::assertNull($record->get('administrator'));
+    }
+
+    #[Test]
+    public function throwsForTtContentWithoutRequiredTypeField(): void
+    {
+        $content = new TtContent();
+        $content->setPid(1);
+        $content->setHeader('Hello');
+
+        $this->expectException(InvalidArgumentException::class);
+        $this->expectExceptionMessage('Missing typeField "CType" in record of requested table "tt_content".');
+
+        $this->get(ModelToRawRecordService::class)->modelToRawRecord($content);
+    }
+
+    #[Test]
+    public function mapsPostScalarsAndSkipsRelations(): void
+    {
+        $post = $this->get(PostRepository::class)->findByUid(1);
+        self::assertInstanceOf(Post::class, $post);
+
+        $record = $this->get(ModelToRawRecordService::class)->modelToRawRecord($post);
+
+        self::assertSame('tx_blogexample_domain_model_post', $record->getFullType());
+
+        self::assertSame($post->getUid(), $record->getUid());
+        self::assertSame($post->getPid(), $record->getPid());
+        self::assertSame($post->_getProperty('_versionedUid'), $record->getComputedProperties()->getVersionedUid());
+        self::assertSame($post->_getProperty('_localizedUid'), $record->getComputedProperties()->getLocalizedUid());
+
+        self::assertSame('First post for blog 1', $record->get('title'));
+        self::assertFalse($record->has('date'));
+        self::assertFalse($record->has('blog'));
+        self::assertFalse($record->has('categories'));
+        self::assertFalse($record->has('related_posts'));
+    }
+}
diff --git a/Tests/Unit/BackwardsCompatibility/ContentAreaTest.php b/Tests/Unit/BackwardsCompatibility/ContentAreaTest.php
new file mode 100644
index 0000000..5aa743a
--- /dev/null
+++ b/Tests/Unit/BackwardsCompatibility/ContentAreaTest.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TYPO3\CMS\VisualEditor\Tests\Unit\BackwardsCompatibility;
+
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+use TYPO3\CMS\VisualEditor\BackwardsCompatibility\ContentArea;
+
+final class ContentAreaTest extends TestCase
+{
+    #[Test]
+    public function exposesConstructorValuesAndConfiguration(): void
+    {
+        $subject = new ContentArea(
+            colPos: 42,
+            name: 'main',
+            tx_container_parent: 17,
+            allowedContentTypes: ['text', 'textmedia'],
+            disallowedContentTypes: ['shortcut']
+        );
+
+        self::assertSame(42, $subject->getColPos());
+        self::assertSame('main', $subject->getName());
+        self::assertSame(
+            ['tx_container_parent' => 17],
+            $subject->getConfiguration()
+        );
+        self::assertSame(['text', 'textmedia'], $subject->getAllowedContentTypes());
+        self::assertSame(['shortcut'], $subject->getDisallowedContentTypes());
+    }
+
+    #[Test]
+    public function returnsEmptyListsByDefault(): void
+    {
+        $subject = new ContentArea(
+            colPos: 0,
+            name: 'empty',
+            tx_container_parent: 0
+        );
+
+        self::assertSame([], $subject->getAllowedContentTypes());
+        self::assertSame([], $subject->getDisallowedContentTypes());
+        self::assertSame(['tx_container_parent' => 0], $subject->getConfiguration());
+    }
+}
diff --git a/composer.json b/composer.json
index 33209df..3ff6e2c 100644
--- a/composer.json
+++ b/composer.json
@@ -18,19 +18,23 @@
   ],
   "require": {
     "php": "~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0",
-    "typo3/cms-backend": "^13.4.22 || ^14.2.0 || 14.2.x-dev",
-    "typo3/cms-core": "^13.4.22 || ^14.2.0 || 14.2.x-dev",
-    "typo3/cms-extbase": "^13.4.22 || ^14.2.0 || 14.2.x-dev",
-    "typo3/cms-fluid": "^13.4.22 || ^14.2.0 || 14.2.x-dev",
-    "typo3/cms-frontend": "^13.4.22 || ^14.2.0 || 14.2.x-dev",
-    "typo3/cms-rte-ckeditor": "^13.4.22 || ^14.2.0 || 14.2.x-dev"
+    "typo3/cms-backend": "^13.4.22 || ^14.3.0",
+    "typo3/cms-core": "^13.4.22 || ^14.3.0",
+    "typo3/cms-extbase": "^13.4.22 || ^14.3.0",
+    "typo3/cms-fluid": "^13.4.22 || ^14.3.0",
+    "typo3/cms-frontend": "^13.4.22 || ^14.3.0",
+    "typo3/cms-rte-ckeditor": "^13.4.22 || ^14.3.0"
   },
   "require-dev": {
     "b13/container": "^3.2.3",
-    "pluswerk/grumphp-config": "^10.2.6",
+    "phpunit/phpunit": "^11.5.55",
+    "pluswerk/grumphp-config": "^10.2.7",
     "saschaegerer/phpstan-typo3": "^2.1.1 || ^3.0.1",
     "ssch/typo3-rector": "^3.14.1",
-    "typo3fluid/fluid": "^4.6.0 || 4.6.x-dev || ^5"
+    "typo3/cms-install": "^13.4.0 || ^14.3.0",
+    "typo3/cms-workspaces": "^13.4.0 || ^14.3.0",
+    "typo3/testing-framework": "^9.5.0",
+    "typo3fluid/fluid": "^4.6.0 || ^5.3.1"
   },
   "suggest": {
     "wapplersystems/multisite-belogin": "You should install this extension, if you have multiple domains in your TYPO3 installation."
@@ -40,6 +44,11 @@
       "TYPO3\\CMS\\VisualEditor\\": "Classes/"
     }
   },
+  "autoload-dev": {
+    "psr-4": {
+      "TYPO3\\CMS\\VisualEditor\\Tests\\": "Tests/"
+    }
+  },
   "config": {
     "allow-plugins": {
       "ergebnis/composer-normalize": true,
@@ -52,6 +61,7 @@
   },
   "extra": {
     "typo3/cms": {
+      "cms-package-dir": "{$vendor-dir}/typo3/cms",
       "extension-key": "visual_editor"
     }
   },
@@ -66,6 +76,8 @@
     "post-autoload-dump": [
       "sh -c 'MAJOR=$(typo3 --version | awk '\\''{split($3, v, \".\"); print v[1]}'\\''); ln -sfn \"phpstan-baseline-${MAJOR}.neon\" phpstan-baseline.neon'"
     ],
-    "test:js": "node --test $(find Resources/Public/JavaScript -name \"*.test.js\" | sort)"
+    "test:functional": "./Build/Scripts/runTests.sh -s functional",
+    "test:js": "node --test $(find Resources/Public/JavaScript -name \"*.test.js\" | sort)",
+    "test:unit": "phpunit -c Build/phpunit/UnitTests.xml"
   }
 }
diff --git a/grumphp.yml b/grumphp.yml
index 624db91..3f38dcb 100644
--- a/grumphp.yml
+++ b/grumphp.yml
@@ -1,5 +1,5 @@
 imports:
-  - { resource: vendor/pluswerk/grumphp-config/grumphp.yml }
+  - { resource: ./vendor/pluswerk/grumphp-config/grumphp.yml }
 
 parameters:
   convention.process_timeout: 240
diff --git a/phpstan-baseline-14.neon b/phpstan-baseline-14.neon
index 2f7ab14..f60ad0b 100644
--- a/phpstan-baseline-14.neon
+++ b/phpstan-baseline-14.neon
@@ -1,5 +1,11 @@
 parameters:
 	ignoreErrors:
+		-
+			message: '#^Class TYPO3\\CMS\\Core\\Cache\\Backend\\NullBackend does not have a constructor and must be instantiated without any parameters\.$#'
+			identifier: new.noConstructor
+			count: 1
+			path: Build/phpunit/UnitTestsBootstrap.php
+
 		-
 			message: '#^Cannot call method getRequestUri\(\) on TYPO3\\CMS\\Core\\Http\\NormalizedParams\|null\.$#'
 			identifier: method.nonObject
diff --git a/phpstan.neon b/phpstan.neon
index 95ac665..da04e56 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -8,6 +8,8 @@ parameters:
   typo3:
     requestGetAttributeMapping:
       pageContext: TYPO3\CMS\Backend\Context\PageContext|null
+  excludePaths:
+    - Tests/Functional/Fixtures/Extensions/blog_example
 
 services:
   -
diff --git a/rector.php b/rector.php
index b4f9302..3630909 100644
--- a/rector.php
+++ b/rector.php
@@ -33,13 +33,11 @@
         [
             ...RectorSettings::skip(),
 
-
             StringableForToStringRector::class,
             /**
              * rector should not touch these files
              */
-            //__DIR__ . '/src/Example',
-            //__DIR__ . '/src/Example.php',
+            __DIR__ . '/Tests/Functional/Fixtures/Extensions/blog_example',
             SafeDeclareStrictTypesRector::class => [
                 __DIR__ . '/ext_emconf.php',
             ],