diff --git a/MIGRATION.md b/MIGRATION.md
index 2f9d554..cca4bbc 100644
--- a/MIGRATION.md
+++ b/MIGRATION.md
@@ -24,7 +24,7 @@ None
 
 ### Other Changes
 
-None
+- Some code is now generated from CLDR data, such as `Units` getters and methods.
 
 
 
diff --git a/Makefile b/Makefile
index fb0ec81..802bc9d 100644
--- a/Makefile
+++ b/Makefile
@@ -47,3 +47,24 @@ test-container-82:
 .PHONY: lint
 lint:
 	@XDEBUG_MODE=off vendor/bin/phpstan
+
+#
+# Generate
+#
+
+GENERATE=./generator/generate
+
+.PHONY=generate
+generate: \
+	lib/LocaleId.php \
+	lib/Units/SequenceCompanion.php \
+	lib/Units/UnitsCompanion.php
+
+lib/LocaleId.php:
+	$(GENERATE) locale-id >$@
+
+lib/Units/SequenceCompanion.php:
+	$(GENERATE) sequence-companion >$@
+
+lib/Units/UnitsCompanion.php:
+	$(GENERATE) units-companion >$@
diff --git a/docs/General.md b/docs/General.md
index 5d2f48a..a9999cd 100644
--- a/docs/General.md
+++ b/docs/General.md
@@ -28,7 +28,7 @@ units. [Many units are available](https://www.unicode.org/reports/tr35/tr35-66/t
 ```php
 <?php
 
-/* @var $cldr \ICanBoogie\CLDR\Repository */
+/* @var ICanBoogie\CLDR\Repository $cldr */
 
 $units = $cldr->locales['en']->units;
 
diff --git a/generator/.editorconfig b/generator/.editorconfig
new file mode 100644
index 0000000..88e9125
--- /dev/null
+++ b/generator/.editorconfig
@@ -0,0 +1,5 @@
+[*]
+indent_style = space
+
+[*.json]
+indent_size = 2
diff --git a/generator/.gitignore b/generator/.gitignore
new file mode 100644
index 0000000..2659611
--- /dev/null
+++ b/generator/.gitignore
@@ -0,0 +1 @@
+composer.lock
diff --git a/generator/Dockerfile b/generator/Dockerfile
new file mode 100644
index 0000000..8b85457
--- /dev/null
+++ b/generator/Dockerfile
@@ -0,0 +1,28 @@
+ARG PHP_VERSION=8.1
+FROM php:${PHP_VERSION}-cli-buster
+
+RUN apt-get update && \
+	apt-get install -y autoconf pkg-config && \
+    pecl channel-update pecl.php.net && \
+	pecl install xdebug && \
+	docker-php-ext-enable opcache xdebug
+
+RUN echo '\
+xdebug.client_host=host.docker.internal\n\
+xdebug.mode=develop\n\
+xdebug.start_with_request=yes\n\
+' >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+
+RUN echo '\
+display_errors=On\n\
+error_reporting=E_ALL\n\
+date.timezone=UTC\n\
+' >> /usr/local/etc/php/conf.d/php.ini
+
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
+RUN apt-get update && \
+	apt-get install unzip && \
+	curl -s https://raw.githubusercontent.com/composer/getcomposer.org/76a7060ccb93902cd7576b67264ad91c8a2700e2/web/installer | php -- --quiet && \
+	mv composer.phar /usr/local/bin/composer && \
+	echo 'export PATH="$HOME/.composer/vendor/bin:$PATH"\n' >> /root/.bashrc
diff --git a/generator/composer.json b/generator/composer.json
new file mode 100644
index 0000000..be3c64a
--- /dev/null
+++ b/generator/composer.json
@@ -0,0 +1,31 @@
+{
+  "name": "icanboogie/cldr-generator",
+  "description": "Generates CLDR classes",
+  "type": "project",
+  "license": "BSD-3-Clause",
+  "authors": [
+    {
+      "name": "Olivier Laviale",
+      "email": "olivier.laviale@gmail.com",
+      "homepage": "https://olvlvl.com/",
+      "role": "Developer"
+    }
+  ],
+  "config": {
+    "sort-packages": true
+  },
+  "minimum-stability": "dev",
+  "prefer-stable": true,
+  "require": {
+    "php": ">=8.1",
+    "icanboogie/accessor": "^6.0",
+    "symfony/console": "^6.3",
+    "symfony/dependency-injection": "^6.3"
+  },
+  "autoload": {
+    "psr-4": {
+      "ICanBoogie\\CLDR\\": "../lib",
+      "ICanBoogie\\CLDR\\Generator\\": "src"
+    }
+  }
+}
diff --git a/generator/docker-compose.yaml b/generator/docker-compose.yaml
new file mode 100644
index 0000000..058edcc
--- /dev/null
+++ b/generator/docker-compose.yaml
@@ -0,0 +1,15 @@
+---
+version: "3.2"
+services:
+  app81:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+          PHP_VERSION: '8.1'
+    environment:
+      PHP_IDE_CONFIG: 'serverName=icanboogie-cldr-generator'
+    volumes:
+    - .:/app:delegated
+    - ~/.composer:/root/.composer:delegated
+    working_dir: /app
diff --git a/generator/generate b/generator/generate
new file mode 100755
index 0000000..5a776f4
--- /dev/null
+++ b/generator/generate
@@ -0,0 +1,23 @@
+#!/usr/bin/env php
+<?php
+
+namespace ICanBoogie\CLDR\Generator;
+
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\CommandLoader\ContainerCommandLoader;
+
+chdir(__DIR__);
+
+require_once 'vendor/autoload.php';
+
+const CACHE = __DIR__ . "/cache";
+
+$container = ContainerProvider::provide_container();
+
+/** @var ContainerCommandLoader $command_loader */
+
+$command_loader = $container->get('console.command_loader');
+
+$console = new Application();
+$console->setCommandLoader($command_loader);
+$console->run();
diff --git a/generator/src/Command/LocaleIdCommand.php b/generator/src/Command/LocaleIdCommand.php
new file mode 100644
index 0000000..7a5e1ca
--- /dev/null
+++ b/generator/src/Command/LocaleIdCommand.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace ICanBoogie\CLDR\Generator\Command;
+
+use ICanBoogie\CLDR\Repository;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+#[AsCommand('locale-id', "Generates LocaleId.php")]
+final class LocaleIdCommand extends Command
+{
+    private const TEMPLATE = <<<PHP
+    <?php
+
+    /** DO NOT EDIT - THE FILE HAS BEEN GENERATED WITH locale-id */
+
+    namespace ICanBoogie\CLDR;
+
+    enum LocaleId: string
+    {
+    #CASES#
+    }
+
+    PHP;
+
+    public function __construct(
+        private readonly Repository $repository
+    ) {
+        parent::__construct();
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $available_locales = $this->repository->available_locales;
+        $cases = [];
+
+        foreach ($available_locales as $locale) {
+            $case = strtr($locale, [ '-' => '_' ]);
+
+            $cases[] = <<<PHP
+                case $case = "$locale";
+            PHP;
+        }
+
+        $cases = implode("\n", $cases);
+
+        echo strtr(self::TEMPLATE, [ '#CASES#' => $cases ]);
+
+        return self::SUCCESS;
+    }
+}
diff --git a/generator/src/Command/SequenceCompanionCommand.php b/generator/src/Command/SequenceCompanionCommand.php
new file mode 100644
index 0000000..ccf48ff
--- /dev/null
+++ b/generator/src/Command/SequenceCompanionCommand.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace ICanBoogie\CLDR\Generator\Command;
+
+use ICanBoogie\CLDR\Repository;
+use ICanBoogie\CLDR\Units\NumberWithUnit;
+use ICanBoogie\CLDR\Units\Unit;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+#[AsCommand('sequence-companion', "Generates Units/SequenceCompanion.php")]
+final class SequenceCompanionCommand extends Command
+{
+    private const TEMPLATE = <<<PHP
+    <?php
+
+    /** DO NOT EDIT - THE FILE HAS BEEN GENERATED WITH sequence-companion */
+
+    namespace ICanBoogie\CLDR\Units;
+
+    /**
+     * @internal
+     */
+    trait SequenceCompanion
+    {
+    #METHODS#
+    }
+
+    PHP;
+
+    public function __construct(
+        private readonly Repository $repository
+    ) {
+        parent::__construct();
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $units = $this->repository->locales['en-001']['units']['long'];
+        $methods = [];
+
+        foreach ($units as $name => $unit) {
+            if (empty($unit['unitPattern-count-one'])) {
+                continue;
+            }
+
+            $normalized = strtr($name, [ '-' => '_' ]);
+
+            $methods[] = <<<PHP
+                /**
+                 * @param float|int|numeric-string \$number
+                 *
+                 * @return \$this
+                 */
+                public function $normalized(float|int|string \$number): self
+                {
+                    \$this->sequence["$name"] = \$number;
+
+                    return \$this;
+                }
+
+            PHP;
+        }
+
+        echo strtr(self::TEMPLATE, [
+            '#METHODS#' => implode("\n", $methods),
+        ]);
+
+        return self::SUCCESS;
+    }
+}
diff --git a/generator/src/Command/UnitsCompanionCommand.php b/generator/src/Command/UnitsCompanionCommand.php
new file mode 100644
index 0000000..99d001a
--- /dev/null
+++ b/generator/src/Command/UnitsCompanionCommand.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace ICanBoogie\CLDR\Generator\Command;
+
+use ICanBoogie\CLDR\Repository;
+use ICanBoogie\CLDR\Units\NumberWithUnit;
+use ICanBoogie\CLDR\Units\Unit;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+#[AsCommand('units-companion', "Generates Units/UnitsCompanion.php")]
+final class UnitsCompanionCommand extends Command
+{
+    private const TEMPLATE = <<<PHP
+    <?php
+
+    /** DO NOT EDIT - THE FILE HAS BEEN GENERATED WITH units-companion */
+
+    namespace ICanBoogie\CLDR\Units;
+
+    /**
+     * @internal
+     *
+    #PROPERTIES#
+     *
+     */
+    trait UnitsCompanion
+    {
+    #METHODS#
+    }
+
+    PHP;
+
+    public function __construct(
+        private readonly Repository $repository
+    ) {
+        parent::__construct();
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $units = $this->repository->locales['en-001']['units']['long'];
+        $properties = [];
+        $methods = [];
+
+        foreach ($units as $name => $unit) {
+            if (empty($unit['unitPattern-count-one'])) {
+                continue;
+            }
+
+            $normalized = strtr($name, [ '-' => '_' ]);
+
+            $properties[] = <<<TXT
+             * @property-read Unit \$$normalized
+            TXT;
+
+            $methods[] = <<<PHP
+                /**
+                 * @param float|int|numeric-string \$number
+                 */
+                public function $normalized(float|int|string \$number): NumberWithUnit
+                {
+                    return new NumberWithUnit(\$number, "$name", \$this);
+                }
+
+            PHP;
+        }
+
+        echo strtr(self::TEMPLATE, [
+            '#PROPERTIES#' => implode("\n", $properties),
+            '#METHODS#' => implode("\n", $methods),
+        ]);
+
+        return self::SUCCESS;
+    }
+}
diff --git a/generator/src/ContainerProvider.php b/generator/src/ContainerProvider.php
new file mode 100644
index 0000000..92ce57d
--- /dev/null
+++ b/generator/src/ContainerProvider.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace ICanBoogie\CLDR\Generator;
+
+use ICanBoogie\CLDR\Cache\CacheCollection;
+use ICanBoogie\CLDR\Cache\FileCache;
+use ICanBoogie\CLDR\Cache\RuntimeCache;
+use ICanBoogie\CLDR\Generator\Command\LocaleIdCommand;
+use ICanBoogie\CLDR\Generator\Command\SequenceCompanionCommand;
+use ICanBoogie\CLDR\Generator\Command\UnitsCompanionCommand;
+use ICanBoogie\CLDR\Provider;
+use ICanBoogie\CLDR\Repository;
+use Psr\Container\ContainerInterface;
+use Symfony\Component\Console\DependencyInjection\AddConsoleCommandPass;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+final class ContainerProvider
+{
+	private const COMMANDS = [
+		LocaleIdCommand::class,
+        SequenceCompanionCommand::class,
+        UnitsCompanionCommand::class,
+	];
+
+	public static function provide_container(): ContainerInterface
+	{
+		$container = new ContainerBuilder();
+		$container->addCompilerPass(new AddConsoleCommandPass());
+
+		$container->register(Repository::class)
+			->setFactory([ self::class, 'repository_factory' ]);
+
+		foreach (self::COMMANDS as $command) {
+			$container
+				->register( $command)
+				->addTag('console.command')
+				->setAutowired(true);
+		}
+
+		$container->compile();
+
+		return $container;
+	}
+
+	public static function repository_factory(): Repository
+	{
+		$provider = new Provider\CachedProvider(
+			new Provider\WebProvider(),
+			new CacheCollection([
+				new RuntimeCache(),
+				new FileCache(CACHE)
+			])
+		);
+
+		return new Repository($provider);
+	}
+}
diff --git a/lib/LocaleId.php b/lib/LocaleId.php
new file mode 100644
index 0000000..1eb68a5
--- /dev/null
+++ b/lib/LocaleId.php
@@ -0,0 +1,386 @@
+<?php
+
+/** DO NOT EDIT - THE FILE HAS BEEN GENERATED WITH locale-id */
+
+namespace ICanBoogie\CLDR;
+
+enum LocaleId: string
+{
+    case af = "af";
+    case af_NA = "af-NA";
+    case am = "am";
+    case ar = "ar";
+    case ar_AE = "ar-AE";
+    case ar_BH = "ar-BH";
+    case ar_DJ = "ar-DJ";
+    case ar_DZ = "ar-DZ";
+    case ar_EG = "ar-EG";
+    case ar_EH = "ar-EH";
+    case ar_ER = "ar-ER";
+    case ar_IL = "ar-IL";
+    case ar_IQ = "ar-IQ";
+    case ar_JO = "ar-JO";
+    case ar_KM = "ar-KM";
+    case ar_KW = "ar-KW";
+    case ar_LB = "ar-LB";
+    case ar_LY = "ar-LY";
+    case ar_MA = "ar-MA";
+    case ar_MR = "ar-MR";
+    case ar_OM = "ar-OM";
+    case ar_PS = "ar-PS";
+    case ar_QA = "ar-QA";
+    case ar_SA = "ar-SA";
+    case ar_SD = "ar-SD";
+    case ar_SO = "ar-SO";
+    case ar_SS = "ar-SS";
+    case ar_SY = "ar-SY";
+    case ar_TD = "ar-TD";
+    case ar_TN = "ar-TN";
+    case ar_YE = "ar-YE";
+    case as = "as";
+    case az = "az";
+    case az_Latn = "az-Latn";
+    case be = "be";
+    case be_tarask = "be-tarask";
+    case bg = "bg";
+    case bn = "bn";
+    case bn_IN = "bn-IN";
+    case bs = "bs";
+    case bs_Latn = "bs-Latn";
+    case ca = "ca";
+    case ca_AD = "ca-AD";
+    case ca_ES_valencia = "ca-ES-valencia";
+    case ca_FR = "ca-FR";
+    case ca_IT = "ca-IT";
+    case cs = "cs";
+    case cy = "cy";
+    case da = "da";
+    case da_GL = "da-GL";
+    case de = "de";
+    case de_AT = "de-AT";
+    case de_BE = "de-BE";
+    case de_CH = "de-CH";
+    case de_IT = "de-IT";
+    case de_LI = "de-LI";
+    case de_LU = "de-LU";
+    case el = "el";
+    case el_CY = "el-CY";
+    case en = "en";
+    case en_001 = "en-001";
+    case en_150 = "en-150";
+    case en_AE = "en-AE";
+    case en_AG = "en-AG";
+    case en_AI = "en-AI";
+    case en_AS = "en-AS";
+    case en_AT = "en-AT";
+    case en_AU = "en-AU";
+    case en_BB = "en-BB";
+    case en_BE = "en-BE";
+    case en_BI = "en-BI";
+    case en_BM = "en-BM";
+    case en_BS = "en-BS";
+    case en_BW = "en-BW";
+    case en_BZ = "en-BZ";
+    case en_CA = "en-CA";
+    case en_CC = "en-CC";
+    case en_CH = "en-CH";
+    case en_CK = "en-CK";
+    case en_CM = "en-CM";
+    case en_CX = "en-CX";
+    case en_CY = "en-CY";
+    case en_DE = "en-DE";
+    case en_DG = "en-DG";
+    case en_DK = "en-DK";
+    case en_DM = "en-DM";
+    case en_ER = "en-ER";
+    case en_FI = "en-FI";
+    case en_FJ = "en-FJ";
+    case en_FK = "en-FK";
+    case en_FM = "en-FM";
+    case en_GB = "en-GB";
+    case en_GD = "en-GD";
+    case en_GG = "en-GG";
+    case en_GH = "en-GH";
+    case en_GI = "en-GI";
+    case en_GM = "en-GM";
+    case en_GU = "en-GU";
+    case en_GY = "en-GY";
+    case en_HK = "en-HK";
+    case en_IE = "en-IE";
+    case en_IL = "en-IL";
+    case en_IM = "en-IM";
+    case en_IN = "en-IN";
+    case en_IO = "en-IO";
+    case en_JE = "en-JE";
+    case en_JM = "en-JM";
+    case en_KE = "en-KE";
+    case en_KI = "en-KI";
+    case en_KN = "en-KN";
+    case en_KY = "en-KY";
+    case en_LC = "en-LC";
+    case en_LR = "en-LR";
+    case en_LS = "en-LS";
+    case en_MG = "en-MG";
+    case en_MH = "en-MH";
+    case en_MO = "en-MO";
+    case en_MP = "en-MP";
+    case en_MS = "en-MS";
+    case en_MT = "en-MT";
+    case en_MU = "en-MU";
+    case en_MV = "en-MV";
+    case en_MW = "en-MW";
+    case en_MY = "en-MY";
+    case en_NA = "en-NA";
+    case en_NF = "en-NF";
+    case en_NG = "en-NG";
+    case en_NL = "en-NL";
+    case en_NR = "en-NR";
+    case en_NU = "en-NU";
+    case en_NZ = "en-NZ";
+    case en_PG = "en-PG";
+    case en_PH = "en-PH";
+    case en_PK = "en-PK";
+    case en_PN = "en-PN";
+    case en_PR = "en-PR";
+    case en_PW = "en-PW";
+    case en_RW = "en-RW";
+    case en_SB = "en-SB";
+    case en_SC = "en-SC";
+    case en_SD = "en-SD";
+    case en_SE = "en-SE";
+    case en_SG = "en-SG";
+    case en_SH = "en-SH";
+    case en_SI = "en-SI";
+    case en_SL = "en-SL";
+    case en_SS = "en-SS";
+    case en_SX = "en-SX";
+    case en_SZ = "en-SZ";
+    case en_TC = "en-TC";
+    case en_TK = "en-TK";
+    case en_TO = "en-TO";
+    case en_TT = "en-TT";
+    case en_TV = "en-TV";
+    case en_TZ = "en-TZ";
+    case en_UG = "en-UG";
+    case en_UM = "en-UM";
+    case en_VC = "en-VC";
+    case en_VG = "en-VG";
+    case en_VI = "en-VI";
+    case en_VU = "en-VU";
+    case en_WS = "en-WS";
+    case en_ZA = "en-ZA";
+    case en_ZM = "en-ZM";
+    case en_ZW = "en-ZW";
+    case es = "es";
+    case es_419 = "es-419";
+    case es_AR = "es-AR";
+    case es_BO = "es-BO";
+    case es_BR = "es-BR";
+    case es_BZ = "es-BZ";
+    case es_CL = "es-CL";
+    case es_CO = "es-CO";
+    case es_CR = "es-CR";
+    case es_CU = "es-CU";
+    case es_DO = "es-DO";
+    case es_EA = "es-EA";
+    case es_EC = "es-EC";
+    case es_GQ = "es-GQ";
+    case es_GT = "es-GT";
+    case es_HN = "es-HN";
+    case es_IC = "es-IC";
+    case es_MX = "es-MX";
+    case es_NI = "es-NI";
+    case es_PA = "es-PA";
+    case es_PE = "es-PE";
+    case es_PH = "es-PH";
+    case es_PR = "es-PR";
+    case es_PY = "es-PY";
+    case es_SV = "es-SV";
+    case es_US = "es-US";
+    case es_UY = "es-UY";
+    case es_VE = "es-VE";
+    case et = "et";
+    case eu = "eu";
+    case fa = "fa";
+    case fa_AF = "fa-AF";
+    case fi = "fi";
+    case fil = "fil";
+    case fr = "fr";
+    case fr_BE = "fr-BE";
+    case fr_BF = "fr-BF";
+    case fr_BI = "fr-BI";
+    case fr_BJ = "fr-BJ";
+    case fr_BL = "fr-BL";
+    case fr_CA = "fr-CA";
+    case fr_CD = "fr-CD";
+    case fr_CF = "fr-CF";
+    case fr_CG = "fr-CG";
+    case fr_CH = "fr-CH";
+    case fr_CI = "fr-CI";
+    case fr_CM = "fr-CM";
+    case fr_DJ = "fr-DJ";
+    case fr_DZ = "fr-DZ";
+    case fr_GA = "fr-GA";
+    case fr_GF = "fr-GF";
+    case fr_GN = "fr-GN";
+    case fr_GP = "fr-GP";
+    case fr_GQ = "fr-GQ";
+    case fr_HT = "fr-HT";
+    case fr_KM = "fr-KM";
+    case fr_LU = "fr-LU";
+    case fr_MA = "fr-MA";
+    case fr_MC = "fr-MC";
+    case fr_MF = "fr-MF";
+    case fr_MG = "fr-MG";
+    case fr_ML = "fr-ML";
+    case fr_MQ = "fr-MQ";
+    case fr_MR = "fr-MR";
+    case fr_MU = "fr-MU";
+    case fr_NC = "fr-NC";
+    case fr_NE = "fr-NE";
+    case fr_PF = "fr-PF";
+    case fr_PM = "fr-PM";
+    case fr_RE = "fr-RE";
+    case fr_RW = "fr-RW";
+    case fr_SC = "fr-SC";
+    case fr_SN = "fr-SN";
+    case fr_SY = "fr-SY";
+    case fr_TD = "fr-TD";
+    case fr_TG = "fr-TG";
+    case fr_TN = "fr-TN";
+    case fr_VU = "fr-VU";
+    case fr_WF = "fr-WF";
+    case fr_YT = "fr-YT";
+    case ga = "ga";
+    case ga_GB = "ga-GB";
+    case gl = "gl";
+    case gu = "gu";
+    case he = "he";
+    case hi = "hi";
+    case hi_Latn = "hi-Latn";
+    case hr = "hr";
+    case hr_BA = "hr-BA";
+    case hu = "hu";
+    case hy = "hy";
+    case id = "id";
+    case is = "is";
+    case it = "it";
+    case it_CH = "it-CH";
+    case it_SM = "it-SM";
+    case it_VA = "it-VA";
+    case ja = "ja";
+    case jv = "jv";
+    case ka = "ka";
+    case kk = "kk";
+    case km = "km";
+    case kn = "kn";
+    case ko = "ko";
+    case ko_KP = "ko-KP";
+    case ky = "ky";
+    case lo = "lo";
+    case lt = "lt";
+    case lv = "lv";
+    case mk = "mk";
+    case ml = "ml";
+    case mn = "mn";
+    case mr = "mr";
+    case ms = "ms";
+    case ms_BN = "ms-BN";
+    case ms_ID = "ms-ID";
+    case ms_SG = "ms-SG";
+    case my = "my";
+    case nb = "nb";
+    case nb_SJ = "nb-SJ";
+    case ne = "ne";
+    case ne_IN = "ne-IN";
+    case nl = "nl";
+    case nl_AW = "nl-AW";
+    case nl_BE = "nl-BE";
+    case nl_BQ = "nl-BQ";
+    case nl_CW = "nl-CW";
+    case nl_SR = "nl-SR";
+    case nl_SX = "nl-SX";
+    case nn = "nn";
+    case no = "no";
+    case or = "or";
+    case pa = "pa";
+    case pa_Guru = "pa-Guru";
+    case pl = "pl";
+    case ps = "ps";
+    case ps_PK = "ps-PK";
+    case pt = "pt";
+    case pt_AO = "pt-AO";
+    case pt_CH = "pt-CH";
+    case pt_CV = "pt-CV";
+    case pt_GQ = "pt-GQ";
+    case pt_GW = "pt-GW";
+    case pt_LU = "pt-LU";
+    case pt_MO = "pt-MO";
+    case pt_MZ = "pt-MZ";
+    case pt_PT = "pt-PT";
+    case pt_ST = "pt-ST";
+    case pt_TL = "pt-TL";
+    case ro = "ro";
+    case ro_MD = "ro-MD";
+    case ru = "ru";
+    case ru_BY = "ru-BY";
+    case ru_KG = "ru-KG";
+    case ru_KZ = "ru-KZ";
+    case ru_MD = "ru-MD";
+    case ru_UA = "ru-UA";
+    case sd = "sd";
+    case sd_Arab = "sd-Arab";
+    case si = "si";
+    case sk = "sk";
+    case sl = "sl";
+    case so = "so";
+    case so_DJ = "so-DJ";
+    case so_ET = "so-ET";
+    case so_KE = "so-KE";
+    case sq = "sq";
+    case sq_MK = "sq-MK";
+    case sq_XK = "sq-XK";
+    case sr = "sr";
+    case sr_Cyrl = "sr-Cyrl";
+    case sr_Cyrl_BA = "sr-Cyrl-BA";
+    case sr_Cyrl_ME = "sr-Cyrl-ME";
+    case sr_Cyrl_XK = "sr-Cyrl-XK";
+    case sr_Latn = "sr-Latn";
+    case sr_Latn_BA = "sr-Latn-BA";
+    case sr_Latn_ME = "sr-Latn-ME";
+    case sr_Latn_XK = "sr-Latn-XK";
+    case sv = "sv";
+    case sv_AX = "sv-AX";
+    case sv_FI = "sv-FI";
+    case sw = "sw";
+    case sw_CD = "sw-CD";
+    case sw_KE = "sw-KE";
+    case sw_UG = "sw-UG";
+    case ta = "ta";
+    case ta_LK = "ta-LK";
+    case ta_MY = "ta-MY";
+    case ta_SG = "ta-SG";
+    case te = "te";
+    case th = "th";
+    case tk = "tk";
+    case tr = "tr";
+    case tr_CY = "tr-CY";
+    case uk = "uk";
+    case und = "und";
+    case ur = "ur";
+    case ur_IN = "ur-IN";
+    case uz = "uz";
+    case uz_Latn = "uz-Latn";
+    case vi = "vi";
+    case yue = "yue";
+    case yue_Hant = "yue-Hant";
+    case zh = "zh";
+    case zh_Hans = "zh-Hans";
+    case zh_Hans_HK = "zh-Hans-HK";
+    case zh_Hans_MO = "zh-Hans-MO";
+    case zh_Hans_SG = "zh-Hans-SG";
+    case zh_Hant = "zh-Hant";
+    case zh_Hant_HK = "zh-Hant-HK";
+    case zh_Hant_MO = "zh-Hant-MO";
+    case zu = "zu";
+}
diff --git a/lib/Units.php b/lib/Units.php
index dca44c8..1e04b9f 100644
--- a/lib/Units.php
+++ b/lib/Units.php
@@ -11,265 +11,20 @@
 
 namespace ICanBoogie\CLDR;
 
-use BadMethodCallException;
-use ICanBoogie\CLDR\Units\NumberWithUnit;
 use ICanBoogie\CLDR\Units\Sequence;
 use ICanBoogie\CLDR\Units\Unit;
+use ICanBoogie\CLDR\Units\UnitsCompanion;
 use ICanBoogie\PropertyNotDefined;
 use LogicException;
 
-use function count;
 use function is_string;
 use function str_replace;
 use function strtr;
 
-/**
- * @property-read Unit $acceleration_g_force
- * @property-read Unit $acceleration_meter_per_second_squared
- * @property-read Unit $angle_arc_minute
- * @property-read Unit $angle_arc_second
- * @property-read Unit $angle_degree
- * @property-read Unit $angle_radian
- * @property-read Unit $area_acre
- * @property-read Unit $area_hectare
- * @property-read Unit $area_square_centimeter
- * @property-read Unit $area_square_foot
- * @property-read Unit $area_square_inch
- * @property-read Unit $area_square_kilometer
- * @property-read Unit $area_square_meter
- * @property-read Unit $area_square_mile
- * @property-read Unit $area_square_yard
- * @property-read Unit $consumption_liter_per_kilometer
- * @property-read Unit $consumption_mile_per_gallon
- * @property-read Unit $digital_bit
- * @property-read Unit $digital_byte
- * @property-read Unit $digital_gigabit
- * @property-read Unit $digital_gigabyte
- * @property-read Unit $digital_kilobit
- * @property-read Unit $digital_kilobyte
- * @property-read Unit $digital_megabit
- * @property-read Unit $digital_megabyte
- * @property-read Unit $digital_terabit
- * @property-read Unit $digital_terabyte
- * @property-read Unit $duration_day
- * @property-read Unit $duration_hour
- * @property-read Unit $duration_microsecond
- * @property-read Unit $duration_millisecond
- * @property-read Unit $duration_minute
- * @property-read Unit $duration_month
- * @property-read Unit $duration_nanosecond
- * @property-read Unit $duration_second
- * @property-read Unit $duration_week
- * @property-read Unit $duration_year
- * @property-read Unit $electric_ampere
- * @property-read Unit $electric_milliampere
- * @property-read Unit $electric_ohm
- * @property-read Unit $electric_volt
- * @property-read Unit $energy_calorie
- * @property-read Unit $energy_foodcalorie
- * @property-read Unit $energy_joule
- * @property-read Unit $energy_kilocalorie
- * @property-read Unit $energy_kilojoule
- * @property-read Unit $energy_kilowatt_hour
- * @property-read Unit $frequency_gigahertz
- * @property-read Unit $frequency_hertz
- * @property-read Unit $frequency_kilohertz
- * @property-read Unit $frequency_megahertz
- * @property-read Unit $length_astronomical_unit
- * @property-read Unit $length_centimeter
- * @property-read Unit $length_decimeter
- * @property-read Unit $length_fathom
- * @property-read Unit $length_foot
- * @property-read Unit $length_furlong
- * @property-read Unit $length_inch
- * @property-read Unit $length_kilometer
- * @property-read Unit $length_light_year
- * @property-read Unit $length_meter
- * @property-read Unit $length_micrometer
- * @property-read Unit $length_mile
- * @property-read Unit $length_millimeter
- * @property-read Unit $length_nanometer
- * @property-read Unit $length_nautical_mile
- * @property-read Unit $length_parsec
- * @property-read Unit $length_picometer
- * @property-read Unit $length_yard
- * @property-read Unit $light_lux
- * @property-read Unit $mass_carat
- * @property-read Unit $mass_gram
- * @property-read Unit $mass_kilogram
- * @property-read Unit $mass_metric_ton
- * @property-read Unit $mass_microgram
- * @property-read Unit $mass_milligram
- * @property-read Unit $mass_ounce
- * @property-read Unit $mass_ounce_troy
- * @property-read Unit $mass_pound
- * @property-read Unit $mass_stone
- * @property-read Unit $mass_ton
- * @property-read Unit $power_gigawatt
- * @property-read Unit $power_horsepower
- * @property-read Unit $power_kilowatt
- * @property-read Unit $power_megawatt
- * @property-read Unit $power_milliwatt
- * @property-read Unit $power_watt
- * @property-read Unit $pressure_hectopascal
- * @property-read Unit $pressure_inch_hg
- * @property-read Unit $pressure_millibar
- * @property-read Unit $pressure_millimeter_of_mercury
- * @property-read Unit $pressure_pound_per_square_inch
- * @property-read Unit $proportion_karat
- * @property-read Unit $speed_kilometer_per_hour
- * @property-read Unit $speed_meter_per_second
- * @property-read Unit $speed_mile_per_hour
- * @property-read Unit $temperature_celsius
- * @property-read Unit $temperature_fahrenheit
- * @property-read Unit $temperature_kelvin
- * @property-read Unit $volume_acre_foot
- * @property-read Unit $volume_bushel
- * @property-read Unit $volume_centiliter
- * @property-read Unit $volume_cubic_centimeter
- * @property-read Unit $volume_cubic_foot
- * @property-read Unit $volume_cubic_inch
- * @property-read Unit $volume_cubic_kilometer
- * @property-read Unit $volume_cubic_meter
- * @property-read Unit $volume_cubic_mile
- * @property-read Unit $volume_cubic_yard
- * @property-read Unit $volume_cup
- * @property-read Unit $volume_deciliter
- * @property-read Unit $volume_fluid_ounce
- * @property-read Unit $volume_gallon
- * @property-read Unit $volume_hectoliter
- * @property-read Unit $volume_liter
- * @property-read Unit $volume_megaliter
- * @property-read Unit $volume_milliliter
- * @property-read Unit $volume_pint
- * @property-read Unit $volume_quart
- * @property-read Unit $volume_tablespoon
- * @property-read Unit $volume_teaspoon
- *
- * @method NumberWithUnit acceleration_g_force(float|int $number)
- * @method NumberWithUnit acceleration_meter_per_second_squared(float|int $number)
- * @method NumberWithUnit angle_arc_minute(float|int $number)
- * @method NumberWithUnit angle_arc_second(float|int $number)
- * @method NumberWithUnit angle_degree(float|int $number)
- * @method NumberWithUnit angle_radian(float|int $number)
- * @method NumberWithUnit area_acre(float|int $number)
- * @method NumberWithUnit area_hectare(float|int $number)
- * @method NumberWithUnit area_square_centimeter(float|int $number)
- * @method NumberWithUnit area_square_foot(float|int $number)
- * @method NumberWithUnit area_square_inch(float|int $number)
- * @method NumberWithUnit area_square_kilometer(float|int $number)
- * @method NumberWithUnit area_square_meter(float|int $number)
- * @method NumberWithUnit area_square_mile(float|int $number)
- * @method NumberWithUnit area_square_yard(float|int $number)
- * @method NumberWithUnit consumption_liter_per_kilometer(float|int $number)
- * @method NumberWithUnit consumption_mile_per_gallon(float|int $number)
- * @method NumberWithUnit digital_bit(float|int $number)
- * @method NumberWithUnit digital_byte(float|int $number)
- * @method NumberWithUnit digital_gigabit(float|int $number)
- * @method NumberWithUnit digital_gigabyte(float|int $number)
- * @method NumberWithUnit digital_kilobit(float|int $number)
- * @method NumberWithUnit digital_kilobyte(float|int $number)
- * @method NumberWithUnit digital_megabit(float|int $number)
- * @method NumberWithUnit digital_megabyte(float|int $number)
- * @method NumberWithUnit digital_terabit(float|int $number)
- * @method NumberWithUnit digital_terabyte(float|int $number)
- * @method NumberWithUnit duration_day(float|int $number)
- * @method NumberWithUnit duration_hour(float|int $number)
- * @method NumberWithUnit duration_microsecond(float|int $number)
- * @method NumberWithUnit duration_millisecond(float|int $number)
- * @method NumberWithUnit duration_minute(float|int $number)
- * @method NumberWithUnit duration_month(float|int $number)
- * @method NumberWithUnit duration_nanosecond(float|int $number)
- * @method NumberWithUnit duration_second(float|int $number)
- * @method NumberWithUnit duration_week(float|int $number)
- * @method NumberWithUnit duration_year(float|int $number)
- * @method NumberWithUnit electric_ampere(float|int $number)
- * @method NumberWithUnit electric_milliampere(float|int $number)
- * @method NumberWithUnit electric_ohm(float|int $number)
- * @method NumberWithUnit electric_volt(float|int $number)
- * @method NumberWithUnit energy_calorie(float|int $number)
- * @method NumberWithUnit energy_foodcalorie(float|int $number)
- * @method NumberWithUnit energy_joule(float|int $number)
- * @method NumberWithUnit energy_kilocalorie(float|int $number)
- * @method NumberWithUnit energy_kilojoule(float|int $number)
- * @method NumberWithUnit energy_kilowatt_hour(float|int $number)
- * @method NumberWithUnit frequency_gigahertz(float|int $number)
- * @method NumberWithUnit frequency_hertz(float|int $number)
- * @method NumberWithUnit frequency_kilohertz(float|int $number)
- * @method NumberWithUnit frequency_megahertz(float|int $number)
- * @method NumberWithUnit length_astronomical_unit(float|int $number)
- * @method NumberWithUnit length_centimeter(float|int $number)
- * @method NumberWithUnit length_decimeter(float|int $number)
- * @method NumberWithUnit length_fathom(float|int $number)
- * @method NumberWithUnit length_foot(float|int $number)
- * @method NumberWithUnit length_furlong(float|int $number)
- * @method NumberWithUnit length_inch(float|int $number)
- * @method NumberWithUnit length_kilometer(float|int $number)
- * @method NumberWithUnit length_light_year(float|int $number)
- * @method NumberWithUnit length_meter(float|int $number)
- * @method NumberWithUnit length_micrometer(float|int $number)
- * @method NumberWithUnit length_mile(float|int $number)
- * @method NumberWithUnit length_millimeter(float|int $number)
- * @method NumberWithUnit length_nanometer(float|int $number)
- * @method NumberWithUnit length_nautical_mile(float|int $number)
- * @method NumberWithUnit length_parsec(float|int $number)
- * @method NumberWithUnit length_picometer(float|int $number)
- * @method NumberWithUnit length_yard(float|int $number)
- * @method NumberWithUnit light_lux(float|int $number)
- * @method NumberWithUnit mass_carat(float|int $number)
- * @method NumberWithUnit mass_gram(float|int $number)
- * @method NumberWithUnit mass_kilogram(float|int $number)
- * @method NumberWithUnit mass_metric_ton(float|int $number)
- * @method NumberWithUnit mass_microgram(float|int $number)
- * @method NumberWithUnit mass_milligram(float|int $number)
- * @method NumberWithUnit mass_ounce(float|int $number)
- * @method NumberWithUnit mass_ounce_troy(float|int $number)
- * @method NumberWithUnit mass_pound(float|int $number)
- * @method NumberWithUnit mass_stone(float|int $number)
- * @method NumberWithUnit mass_ton(float|int $number)
- * @method NumberWithUnit power_gigawatt(float|int $number)
- * @method NumberWithUnit power_horsepower(float|int $number)
- * @method NumberWithUnit power_kilowatt(float|int $number)
- * @method NumberWithUnit power_megawatt(float|int $number)
- * @method NumberWithUnit power_milliwatt(float|int $number)
- * @method NumberWithUnit power_watt(float|int $number)
- * @method NumberWithUnit pressure_hectopascal(float|int $number)
- * @method NumberWithUnit pressure_inch_hg(float|int $number)
- * @method NumberWithUnit pressure_millibar(float|int $number)
- * @method NumberWithUnit pressure_millimeter_of_mercury(float|int $number)
- * @method NumberWithUnit pressure_pound_per_square_inch(float|int $number)
- * @method NumberWithUnit proportion_karat(float|int $number)
- * @method NumberWithUnit speed_kilometer_per_hour(float|int $number)
- * @method NumberWithUnit speed_meter_per_second(float|int $number)
- * @method NumberWithUnit speed_mile_per_hour(float|int $number)
- * @method NumberWithUnit temperature_celsius(float|int $number)
- * @method NumberWithUnit temperature_fahrenheit(float|int $number)
- * @method NumberWithUnit temperature_kelvin(float|int $number)
- * @method NumberWithUnit volume_acre_foot(float|int $number)
- * @method NumberWithUnit volume_bushel(float|int $number)
- * @method NumberWithUnit volume_centiliter(float|int $number)
- * @method NumberWithUnit volume_cubic_centimeter(float|int $number)
- * @method NumberWithUnit volume_cubic_foot(float|int $number)
- * @method NumberWithUnit volume_cubic_inch(float|int $number)
- * @method NumberWithUnit volume_cubic_kilometer(float|int $number)
- * @method NumberWithUnit volume_cubic_meter(float|int $number)
- * @method NumberWithUnit volume_cubic_mile(float|int $number)
- * @method NumberWithUnit volume_cubic_yard(float|int $number)
- * @method NumberWithUnit volume_cup(float|int $number)
- * @method NumberWithUnit volume_deciliter(float|int $number)
- * @method NumberWithUnit volume_fluid_ounce(float|int $number)
- * @method NumberWithUnit volume_gallon(float|int $number)
- * @method NumberWithUnit volume_hectoliter(float|int $number)
- * @method NumberWithUnit volume_liter(float|int $number)
- * @method NumberWithUnit volume_megaliter(float|int $number)
- * @method NumberWithUnit volume_milliliter(float|int $number)
- * @method NumberWithUnit volume_pint(float|int $number)
- * @method NumberWithUnit volume_quart(float|int $number)
- * @method NumberWithUnit volume_tablespoon(float|int $number)
- * @method NumberWithUnit volume_teaspoon(float|int $number)
- */
 class Units
 {
+    use UnitsCompanion;
+
 	public const DEFAULT_LENGTH = UnitLength::LONG;
 	public const COUNT_PREFIX = 'unitPattern-count-';
 
@@ -297,25 +52,6 @@ public function __construct(
 		$this->sequence = new Sequence($this);
 	}
 
-	public function __call(string $name, array $arguments): NumberWithUnit
-	{
-		$unit = strtr($name, '_', '-');
-
-		if (empty($this->data[self::DEFAULT_LENGTH->value][$unit])) {
-			throw new BadMethodCallException("No such unit: $unit");
-		}
-
-		$n = count($arguments);
-
-		if ($n !== 1) {
-			throw new BadMethodCallException("$name() expects one argument, got $n");
-		}
-
-		$number = $arguments[0];
-
-		return new NumberWithUnit($number + 0, $unit, $this);
-	}
-
 	/**
 	 * @var array<string, Unit>
 	 *     Where _key_ is a unit name.
diff --git a/lib/Units/Sequence.php b/lib/Units/Sequence.php
index 619ea81..c41450c 100644
--- a/lib/Units/Sequence.php
+++ b/lib/Units/Sequence.php
@@ -24,132 +24,12 @@
  * @property-read string $as_short Short string representation.
  * @property-read string $as_narrow Narrow string representation.
  *
- * @method $this acceleration_g_force(mixed $number)
- * @method $this acceleration_meter_per_second_squared(mixed $number)
- * @method $this angle_arc_minute(mixed $number)
- * @method $this angle_arc_second(mixed $number)
- * @method $this angle_degree(mixed $number)
- * @method $this angle_radian(mixed $number)
- * @method $this area_acre(mixed $number)
- * @method $this area_hectare(mixed $number)
- * @method $this area_square_centimeter(mixed $number)
- * @method $this area_square_foot(mixed $number)
- * @method $this area_square_inch(mixed $number)
- * @method $this area_square_kilometer(mixed $number)
- * @method $this area_square_meter(mixed $number)
- * @method $this area_square_mile(mixed $number)
- * @method $this area_square_yard(mixed $number)
- * @method $this consumption_liter_per_kilometer(mixed $number)
- * @method $this consumption_mile_per_gallon(mixed $number)
- * @method $this digital_bit(mixed $number)
- * @method $this digital_byte(mixed $number)
- * @method $this digital_gigabit(mixed $number)
- * @method $this digital_gigabyte(mixed $number)
- * @method $this digital_kilobit(mixed $number)
- * @method $this digital_kilobyte(mixed $number)
- * @method $this digital_megabit(mixed $number)
- * @method $this digital_megabyte(mixed $number)
- * @method $this digital_terabit(mixed $number)
- * @method $this digital_terabyte(mixed $number)
- * @method $this duration_day(mixed $number)
- * @method $this duration_hour(mixed $number)
- * @method $this duration_microsecond(mixed $number)
- * @method $this duration_millisecond(mixed $number)
- * @method $this duration_minute(mixed $number)
- * @method $this duration_month(mixed $number)
- * @method $this duration_nanosecond(mixed $number)
- * @method $this duration_second(mixed $number)
- * @method $this duration_week(mixed $number)
- * @method $this duration_year(mixed $number)
- * @method $this electric_ampere(mixed $number)
- * @method $this electric_milliampere(mixed $number)
- * @method $this electric_ohm(mixed $number)
- * @method $this electric_volt(mixed $number)
- * @method $this energy_calorie(mixed $number)
- * @method $this energy_foodcalorie(mixed $number)
- * @method $this energy_joule(mixed $number)
- * @method $this energy_kilocalorie(mixed $number)
- * @method $this energy_kilojoule(mixed $number)
- * @method $this energy_kilowatt_hour(mixed $number)
- * @method $this frequency_gigahertz(mixed $number)
- * @method $this frequency_hertz(mixed $number)
- * @method $this frequency_kilohertz(mixed $number)
- * @method $this frequency_megahertz(mixed $number)
- * @method $this length_astronomical_unit(mixed $number)
- * @method $this length_centimeter(mixed $number)
- * @method $this length_decimeter(mixed $number)
- * @method $this length_fathom(mixed $number)
- * @method $this length_foot(mixed $number)
- * @method $this length_furlong(mixed $number)
- * @method $this length_inch(mixed $number)
- * @method $this length_kilometer(mixed $number)
- * @method $this length_light_year(mixed $number)
- * @method $this length_meter(mixed $number)
- * @method $this length_micrometer(mixed $number)
- * @method $this length_mile(mixed $number)
- * @method $this length_millimeter(mixed $number)
- * @method $this length_nanometer(mixed $number)
- * @method $this length_nautical_mile(mixed $number)
- * @method $this length_parsec(mixed $number)
- * @method $this length_picometer(mixed $number)
- * @method $this length_yard(mixed $number)
- * @method $this light_lux(mixed $number)
- * @method $this mass_carat(mixed $number)
- * @method $this mass_gram(mixed $number)
- * @method $this mass_kilogram(mixed $number)
- * @method $this mass_metric_ton(mixed $number)
- * @method $this mass_microgram(mixed $number)
- * @method $this mass_milligram(mixed $number)
- * @method $this mass_ounce(mixed $number)
- * @method $this mass_ounce_troy(mixed $number)
- * @method $this mass_pound(mixed $number)
- * @method $this mass_stone(mixed $number)
- * @method $this mass_ton(mixed $number)
- * @method $this power_gigawatt(mixed $number)
- * @method $this power_horsepower(mixed $number)
- * @method $this power_kilowatt(mixed $number)
- * @method $this power_megawatt(mixed $number)
- * @method $this power_milliwatt(mixed $number)
- * @method $this power_watt(mixed $number)
- * @method $this pressure_hectopascal(mixed $number)
- * @method $this pressure_inch_hg(mixed $number)
- * @method $this pressure_millibar(mixed $number)
- * @method $this pressure_millimeter_of_mercury(mixed $number)
- * @method $this pressure_pound_per_square_inch(mixed $number)
- * @method $this proportion_karat(mixed $number)
- * @method $this speed_kilometer_per_hour(mixed $number)
- * @method $this speed_meter_per_second(mixed $number)
- * @method $this speed_mile_per_hour(mixed $number)
- * @method $this temperature_celsius(mixed $number)
- * @method $this temperature_fahrenheit(mixed $number)
- * @method $this temperature_kelvin(mixed $number)
- * @method $this volume_acre_foot(mixed $number)
- * @method $this volume_bushel(mixed $number)
- * @method $this volume_centiliter(mixed $number)
- * @method $this volume_cubic_centimeter(mixed $number)
- * @method $this volume_cubic_foot(mixed $number)
- * @method $this volume_cubic_inch(mixed $number)
- * @method $this volume_cubic_kilometer(mixed $number)
- * @method $this volume_cubic_meter(mixed $number)
- * @method $this volume_cubic_mile(mixed $number)
- * @method $this volume_cubic_yard(mixed $number)
- * @method $this volume_cup(mixed $number)
- * @method $this volume_deciliter(mixed $number)
- * @method $this volume_fluid_ounce(mixed $number)
- * @method $this volume_gallon(mixed $number)
- * @method $this volume_hectoliter(mixed $number)
- * @method $this volume_liter(mixed $number)
- * @method $this volume_megaliter(mixed $number)
- * @method $this volume_milliliter(mixed $number)
- * @method $this volume_pint(mixed $number)
- * @method $this volume_quart(mixed $number)
- * @method $this volume_tablespoon(mixed $number)
- * @method $this volume_teaspoon(mixed $number)
- *
  * @see http://unicode.org/reports/tr35/tr35-general.html#Unit_Sequences
  */
 final class Sequence
 {
+    use SequenceCompanion;
+
 	/**
 	 * @uses get_as_long
 	 * @uses get_as_short
@@ -167,15 +47,6 @@ public function __construct(
 	) {
 	}
 
-	public function __call(string $name, array $arguments): self
-	{
-		$unit = strtr($name, '_', '-');
-		$this->units->assert_is_unit($unit);
-		$this->sequence[$unit] = $arguments[0];
-
-		return $this;
-	}
-
 	public function __toString(): string
 	{
 		return $this->format();
diff --git a/lib/Units/SequenceCompanion.php b/lib/Units/SequenceCompanion.php
new file mode 100644
index 0000000..ff56368
--- /dev/null
+++ b/lib/Units/SequenceCompanion.php
@@ -0,0 +1,2184 @@
+<?php
+
+/** DO NOT EDIT - THE FILE HAS BEEN GENERATED WITH sequence-companion */
+
+namespace ICanBoogie\CLDR\Units;
+
+/**
+ * @internal
+ */
+trait SequenceCompanion
+{
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function acceleration_g_force(float|int|string $number): self
+    {
+        $this->sequence["acceleration-g-force"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function acceleration_meter_per_square_second(float|int|string $number): self
+    {
+        $this->sequence["acceleration-meter-per-square-second"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function angle_revolution(float|int|string $number): self
+    {
+        $this->sequence["angle-revolution"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function angle_radian(float|int|string $number): self
+    {
+        $this->sequence["angle-radian"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function angle_degree(float|int|string $number): self
+    {
+        $this->sequence["angle-degree"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function angle_arc_minute(float|int|string $number): self
+    {
+        $this->sequence["angle-arc-minute"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function angle_arc_second(float|int|string $number): self
+    {
+        $this->sequence["angle-arc-second"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_kilometer(float|int|string $number): self
+    {
+        $this->sequence["area-square-kilometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_hectare(float|int|string $number): self
+    {
+        $this->sequence["area-hectare"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_meter(float|int|string $number): self
+    {
+        $this->sequence["area-square-meter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_centimeter(float|int|string $number): self
+    {
+        $this->sequence["area-square-centimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_mile(float|int|string $number): self
+    {
+        $this->sequence["area-square-mile"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_acre(float|int|string $number): self
+    {
+        $this->sequence["area-acre"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_yard(float|int|string $number): self
+    {
+        $this->sequence["area-square-yard"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_foot(float|int|string $number): self
+    {
+        $this->sequence["area-square-foot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_square_inch(float|int|string $number): self
+    {
+        $this->sequence["area-square-inch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function area_dunam(float|int|string $number): self
+    {
+        $this->sequence["area-dunam"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_karat(float|int|string $number): self
+    {
+        $this->sequence["concentr-karat"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_milligram_ofglucose_per_deciliter(float|int|string $number): self
+    {
+        $this->sequence["concentr-milligram-ofglucose-per-deciliter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_millimole_per_liter(float|int|string $number): self
+    {
+        $this->sequence["concentr-millimole-per-liter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_item(float|int|string $number): self
+    {
+        $this->sequence["concentr-item"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_permillion(float|int|string $number): self
+    {
+        $this->sequence["concentr-permillion"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_percent(float|int|string $number): self
+    {
+        $this->sequence["concentr-percent"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_permille(float|int|string $number): self
+    {
+        $this->sequence["concentr-permille"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_permyriad(float|int|string $number): self
+    {
+        $this->sequence["concentr-permyriad"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function concentr_mole(float|int|string $number): self
+    {
+        $this->sequence["concentr-mole"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function consumption_liter_per_kilometer(float|int|string $number): self
+    {
+        $this->sequence["consumption-liter-per-kilometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function consumption_liter_per_100_kilometer(float|int|string $number): self
+    {
+        $this->sequence["consumption-liter-per-100-kilometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function consumption_mile_per_gallon(float|int|string $number): self
+    {
+        $this->sequence["consumption-mile-per-gallon"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function consumption_mile_per_gallon_imperial(float|int|string $number): self
+    {
+        $this->sequence["consumption-mile-per-gallon-imperial"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_petabyte(float|int|string $number): self
+    {
+        $this->sequence["digital-petabyte"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_terabyte(float|int|string $number): self
+    {
+        $this->sequence["digital-terabyte"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_terabit(float|int|string $number): self
+    {
+        $this->sequence["digital-terabit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_gigabyte(float|int|string $number): self
+    {
+        $this->sequence["digital-gigabyte"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_gigabit(float|int|string $number): self
+    {
+        $this->sequence["digital-gigabit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_megabyte(float|int|string $number): self
+    {
+        $this->sequence["digital-megabyte"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_megabit(float|int|string $number): self
+    {
+        $this->sequence["digital-megabit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_kilobyte(float|int|string $number): self
+    {
+        $this->sequence["digital-kilobyte"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_kilobit(float|int|string $number): self
+    {
+        $this->sequence["digital-kilobit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_byte(float|int|string $number): self
+    {
+        $this->sequence["digital-byte"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function digital_bit(float|int|string $number): self
+    {
+        $this->sequence["digital-bit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_century(float|int|string $number): self
+    {
+        $this->sequence["duration-century"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_decade(float|int|string $number): self
+    {
+        $this->sequence["duration-decade"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_year(float|int|string $number): self
+    {
+        $this->sequence["duration-year"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_month(float|int|string $number): self
+    {
+        $this->sequence["duration-month"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_week(float|int|string $number): self
+    {
+        $this->sequence["duration-week"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_day(float|int|string $number): self
+    {
+        $this->sequence["duration-day"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_hour(float|int|string $number): self
+    {
+        $this->sequence["duration-hour"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_minute(float|int|string $number): self
+    {
+        $this->sequence["duration-minute"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_second(float|int|string $number): self
+    {
+        $this->sequence["duration-second"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_millisecond(float|int|string $number): self
+    {
+        $this->sequence["duration-millisecond"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_microsecond(float|int|string $number): self
+    {
+        $this->sequence["duration-microsecond"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function duration_nanosecond(float|int|string $number): self
+    {
+        $this->sequence["duration-nanosecond"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function electric_ampere(float|int|string $number): self
+    {
+        $this->sequence["electric-ampere"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function electric_milliampere(float|int|string $number): self
+    {
+        $this->sequence["electric-milliampere"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function electric_ohm(float|int|string $number): self
+    {
+        $this->sequence["electric-ohm"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function electric_volt(float|int|string $number): self
+    {
+        $this->sequence["electric-volt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_kilocalorie(float|int|string $number): self
+    {
+        $this->sequence["energy-kilocalorie"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_calorie(float|int|string $number): self
+    {
+        $this->sequence["energy-calorie"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_foodcalorie(float|int|string $number): self
+    {
+        $this->sequence["energy-foodcalorie"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_kilojoule(float|int|string $number): self
+    {
+        $this->sequence["energy-kilojoule"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_joule(float|int|string $number): self
+    {
+        $this->sequence["energy-joule"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_kilowatt_hour(float|int|string $number): self
+    {
+        $this->sequence["energy-kilowatt-hour"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_electronvolt(float|int|string $number): self
+    {
+        $this->sequence["energy-electronvolt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_british_thermal_unit(float|int|string $number): self
+    {
+        $this->sequence["energy-british-thermal-unit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function energy_therm_us(float|int|string $number): self
+    {
+        $this->sequence["energy-therm-us"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function force_pound_force(float|int|string $number): self
+    {
+        $this->sequence["force-pound-force"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function force_newton(float|int|string $number): self
+    {
+        $this->sequence["force-newton"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function force_kilowatt_hour_per_100_kilometer(float|int|string $number): self
+    {
+        $this->sequence["force-kilowatt-hour-per-100-kilometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function frequency_gigahertz(float|int|string $number): self
+    {
+        $this->sequence["frequency-gigahertz"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function frequency_megahertz(float|int|string $number): self
+    {
+        $this->sequence["frequency-megahertz"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function frequency_kilohertz(float|int|string $number): self
+    {
+        $this->sequence["frequency-kilohertz"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function frequency_hertz(float|int|string $number): self
+    {
+        $this->sequence["frequency-hertz"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_em(float|int|string $number): self
+    {
+        $this->sequence["graphics-em"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_pixel(float|int|string $number): self
+    {
+        $this->sequence["graphics-pixel"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_megapixel(float|int|string $number): self
+    {
+        $this->sequence["graphics-megapixel"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_pixel_per_centimeter(float|int|string $number): self
+    {
+        $this->sequence["graphics-pixel-per-centimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_pixel_per_inch(float|int|string $number): self
+    {
+        $this->sequence["graphics-pixel-per-inch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_dot_per_centimeter(float|int|string $number): self
+    {
+        $this->sequence["graphics-dot-per-centimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_dot_per_inch(float|int|string $number): self
+    {
+        $this->sequence["graphics-dot-per-inch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function graphics_dot(float|int|string $number): self
+    {
+        $this->sequence["graphics-dot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_earth_radius(float|int|string $number): self
+    {
+        $this->sequence["length-earth-radius"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_kilometer(float|int|string $number): self
+    {
+        $this->sequence["length-kilometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_meter(float|int|string $number): self
+    {
+        $this->sequence["length-meter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_decimeter(float|int|string $number): self
+    {
+        $this->sequence["length-decimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_centimeter(float|int|string $number): self
+    {
+        $this->sequence["length-centimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_millimeter(float|int|string $number): self
+    {
+        $this->sequence["length-millimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_micrometer(float|int|string $number): self
+    {
+        $this->sequence["length-micrometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_nanometer(float|int|string $number): self
+    {
+        $this->sequence["length-nanometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_picometer(float|int|string $number): self
+    {
+        $this->sequence["length-picometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_mile(float|int|string $number): self
+    {
+        $this->sequence["length-mile"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_yard(float|int|string $number): self
+    {
+        $this->sequence["length-yard"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_foot(float|int|string $number): self
+    {
+        $this->sequence["length-foot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_inch(float|int|string $number): self
+    {
+        $this->sequence["length-inch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_parsec(float|int|string $number): self
+    {
+        $this->sequence["length-parsec"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_light_year(float|int|string $number): self
+    {
+        $this->sequence["length-light-year"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_astronomical_unit(float|int|string $number): self
+    {
+        $this->sequence["length-astronomical-unit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_furlong(float|int|string $number): self
+    {
+        $this->sequence["length-furlong"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_fathom(float|int|string $number): self
+    {
+        $this->sequence["length-fathom"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_nautical_mile(float|int|string $number): self
+    {
+        $this->sequence["length-nautical-mile"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_mile_scandinavian(float|int|string $number): self
+    {
+        $this->sequence["length-mile-scandinavian"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_point(float|int|string $number): self
+    {
+        $this->sequence["length-point"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function length_solar_radius(float|int|string $number): self
+    {
+        $this->sequence["length-solar-radius"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function light_lux(float|int|string $number): self
+    {
+        $this->sequence["light-lux"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function light_candela(float|int|string $number): self
+    {
+        $this->sequence["light-candela"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function light_lumen(float|int|string $number): self
+    {
+        $this->sequence["light-lumen"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function light_solar_luminosity(float|int|string $number): self
+    {
+        $this->sequence["light-solar-luminosity"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_metric_ton(float|int|string $number): self
+    {
+        $this->sequence["mass-metric-ton"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_kilogram(float|int|string $number): self
+    {
+        $this->sequence["mass-kilogram"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_gram(float|int|string $number): self
+    {
+        $this->sequence["mass-gram"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_milligram(float|int|string $number): self
+    {
+        $this->sequence["mass-milligram"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_microgram(float|int|string $number): self
+    {
+        $this->sequence["mass-microgram"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_ton(float|int|string $number): self
+    {
+        $this->sequence["mass-ton"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_stone(float|int|string $number): self
+    {
+        $this->sequence["mass-stone"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_pound(float|int|string $number): self
+    {
+        $this->sequence["mass-pound"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_ounce(float|int|string $number): self
+    {
+        $this->sequence["mass-ounce"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_ounce_troy(float|int|string $number): self
+    {
+        $this->sequence["mass-ounce-troy"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_carat(float|int|string $number): self
+    {
+        $this->sequence["mass-carat"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_dalton(float|int|string $number): self
+    {
+        $this->sequence["mass-dalton"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_earth_mass(float|int|string $number): self
+    {
+        $this->sequence["mass-earth-mass"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_solar_mass(float|int|string $number): self
+    {
+        $this->sequence["mass-solar-mass"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function mass_grain(float|int|string $number): self
+    {
+        $this->sequence["mass-grain"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function power_gigawatt(float|int|string $number): self
+    {
+        $this->sequence["power-gigawatt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function power_megawatt(float|int|string $number): self
+    {
+        $this->sequence["power-megawatt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function power_kilowatt(float|int|string $number): self
+    {
+        $this->sequence["power-kilowatt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function power_watt(float|int|string $number): self
+    {
+        $this->sequence["power-watt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function power_milliwatt(float|int|string $number): self
+    {
+        $this->sequence["power-milliwatt"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function power_horsepower(float|int|string $number): self
+    {
+        $this->sequence["power-horsepower"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_millimeter_ofhg(float|int|string $number): self
+    {
+        $this->sequence["pressure-millimeter-ofhg"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_pound_force_per_square_inch(float|int|string $number): self
+    {
+        $this->sequence["pressure-pound-force-per-square-inch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_inch_ofhg(float|int|string $number): self
+    {
+        $this->sequence["pressure-inch-ofhg"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_bar(float|int|string $number): self
+    {
+        $this->sequence["pressure-bar"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_millibar(float|int|string $number): self
+    {
+        $this->sequence["pressure-millibar"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_atmosphere(float|int|string $number): self
+    {
+        $this->sequence["pressure-atmosphere"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_pascal(float|int|string $number): self
+    {
+        $this->sequence["pressure-pascal"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_hectopascal(float|int|string $number): self
+    {
+        $this->sequence["pressure-hectopascal"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_kilopascal(float|int|string $number): self
+    {
+        $this->sequence["pressure-kilopascal"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function pressure_megapascal(float|int|string $number): self
+    {
+        $this->sequence["pressure-megapascal"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function speed_kilometer_per_hour(float|int|string $number): self
+    {
+        $this->sequence["speed-kilometer-per-hour"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function speed_meter_per_second(float|int|string $number): self
+    {
+        $this->sequence["speed-meter-per-second"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function speed_mile_per_hour(float|int|string $number): self
+    {
+        $this->sequence["speed-mile-per-hour"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function speed_knot(float|int|string $number): self
+    {
+        $this->sequence["speed-knot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function temperature_celsius(float|int|string $number): self
+    {
+        $this->sequence["temperature-celsius"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function temperature_fahrenheit(float|int|string $number): self
+    {
+        $this->sequence["temperature-fahrenheit"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function temperature_kelvin(float|int|string $number): self
+    {
+        $this->sequence["temperature-kelvin"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function torque_pound_force_foot(float|int|string $number): self
+    {
+        $this->sequence["torque-pound-force-foot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function torque_newton_meter(float|int|string $number): self
+    {
+        $this->sequence["torque-newton-meter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_kilometer(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-kilometer"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_meter(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-meter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_centimeter(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-centimeter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_mile(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-mile"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_yard(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-yard"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_foot(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-foot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cubic_inch(float|int|string $number): self
+    {
+        $this->sequence["volume-cubic-inch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_megaliter(float|int|string $number): self
+    {
+        $this->sequence["volume-megaliter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_hectoliter(float|int|string $number): self
+    {
+        $this->sequence["volume-hectoliter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_liter(float|int|string $number): self
+    {
+        $this->sequence["volume-liter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_deciliter(float|int|string $number): self
+    {
+        $this->sequence["volume-deciliter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_centiliter(float|int|string $number): self
+    {
+        $this->sequence["volume-centiliter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_milliliter(float|int|string $number): self
+    {
+        $this->sequence["volume-milliliter"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_pint_metric(float|int|string $number): self
+    {
+        $this->sequence["volume-pint-metric"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cup_metric(float|int|string $number): self
+    {
+        $this->sequence["volume-cup-metric"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_acre_foot(float|int|string $number): self
+    {
+        $this->sequence["volume-acre-foot"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_bushel(float|int|string $number): self
+    {
+        $this->sequence["volume-bushel"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_gallon(float|int|string $number): self
+    {
+        $this->sequence["volume-gallon"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_gallon_imperial(float|int|string $number): self
+    {
+        $this->sequence["volume-gallon-imperial"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_quart(float|int|string $number): self
+    {
+        $this->sequence["volume-quart"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_pint(float|int|string $number): self
+    {
+        $this->sequence["volume-pint"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_cup(float|int|string $number): self
+    {
+        $this->sequence["volume-cup"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_fluid_ounce(float|int|string $number): self
+    {
+        $this->sequence["volume-fluid-ounce"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_fluid_ounce_imperial(float|int|string $number): self
+    {
+        $this->sequence["volume-fluid-ounce-imperial"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_tablespoon(float|int|string $number): self
+    {
+        $this->sequence["volume-tablespoon"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_teaspoon(float|int|string $number): self
+    {
+        $this->sequence["volume-teaspoon"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_barrel(float|int|string $number): self
+    {
+        $this->sequence["volume-barrel"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_dessert_spoon(float|int|string $number): self
+    {
+        $this->sequence["volume-dessert-spoon"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_dessert_spoon_imperial(float|int|string $number): self
+    {
+        $this->sequence["volume-dessert-spoon-imperial"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_drop(float|int|string $number): self
+    {
+        $this->sequence["volume-drop"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_dram(float|int|string $number): self
+    {
+        $this->sequence["volume-dram"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_jigger(float|int|string $number): self
+    {
+        $this->sequence["volume-jigger"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_pinch(float|int|string $number): self
+    {
+        $this->sequence["volume-pinch"] = $number;
+
+        return $this;
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     *
+     * @return $this
+     */
+    public function volume_quart_imperial(float|int|string $number): self
+    {
+        $this->sequence["volume-quart-imperial"] = $number;
+
+        return $this;
+    }
+
+}
diff --git a/lib/Units/UnitsCompanion.php b/lib/Units/UnitsCompanion.php
new file mode 100644
index 0000000..592ef59
--- /dev/null
+++ b/lib/Units/UnitsCompanion.php
@@ -0,0 +1,1643 @@
+<?php
+
+/** DO NOT EDIT - THE FILE HAS BEEN GENERATED WITH units-companion */
+
+namespace ICanBoogie\CLDR\Units;
+
+/**
+ * @internal
+ *
+ * @property-read Unit $acceleration_g_force
+ * @property-read Unit $acceleration_meter_per_square_second
+ * @property-read Unit $angle_revolution
+ * @property-read Unit $angle_radian
+ * @property-read Unit $angle_degree
+ * @property-read Unit $angle_arc_minute
+ * @property-read Unit $angle_arc_second
+ * @property-read Unit $area_square_kilometer
+ * @property-read Unit $area_hectare
+ * @property-read Unit $area_square_meter
+ * @property-read Unit $area_square_centimeter
+ * @property-read Unit $area_square_mile
+ * @property-read Unit $area_acre
+ * @property-read Unit $area_square_yard
+ * @property-read Unit $area_square_foot
+ * @property-read Unit $area_square_inch
+ * @property-read Unit $area_dunam
+ * @property-read Unit $concentr_karat
+ * @property-read Unit $concentr_milligram_ofglucose_per_deciliter
+ * @property-read Unit $concentr_millimole_per_liter
+ * @property-read Unit $concentr_item
+ * @property-read Unit $concentr_permillion
+ * @property-read Unit $concentr_percent
+ * @property-read Unit $concentr_permille
+ * @property-read Unit $concentr_permyriad
+ * @property-read Unit $concentr_mole
+ * @property-read Unit $consumption_liter_per_kilometer
+ * @property-read Unit $consumption_liter_per_100_kilometer
+ * @property-read Unit $consumption_mile_per_gallon
+ * @property-read Unit $consumption_mile_per_gallon_imperial
+ * @property-read Unit $digital_petabyte
+ * @property-read Unit $digital_terabyte
+ * @property-read Unit $digital_terabit
+ * @property-read Unit $digital_gigabyte
+ * @property-read Unit $digital_gigabit
+ * @property-read Unit $digital_megabyte
+ * @property-read Unit $digital_megabit
+ * @property-read Unit $digital_kilobyte
+ * @property-read Unit $digital_kilobit
+ * @property-read Unit $digital_byte
+ * @property-read Unit $digital_bit
+ * @property-read Unit $duration_century
+ * @property-read Unit $duration_decade
+ * @property-read Unit $duration_year
+ * @property-read Unit $duration_month
+ * @property-read Unit $duration_week
+ * @property-read Unit $duration_day
+ * @property-read Unit $duration_hour
+ * @property-read Unit $duration_minute
+ * @property-read Unit $duration_second
+ * @property-read Unit $duration_millisecond
+ * @property-read Unit $duration_microsecond
+ * @property-read Unit $duration_nanosecond
+ * @property-read Unit $electric_ampere
+ * @property-read Unit $electric_milliampere
+ * @property-read Unit $electric_ohm
+ * @property-read Unit $electric_volt
+ * @property-read Unit $energy_kilocalorie
+ * @property-read Unit $energy_calorie
+ * @property-read Unit $energy_foodcalorie
+ * @property-read Unit $energy_kilojoule
+ * @property-read Unit $energy_joule
+ * @property-read Unit $energy_kilowatt_hour
+ * @property-read Unit $energy_electronvolt
+ * @property-read Unit $energy_british_thermal_unit
+ * @property-read Unit $energy_therm_us
+ * @property-read Unit $force_pound_force
+ * @property-read Unit $force_newton
+ * @property-read Unit $force_kilowatt_hour_per_100_kilometer
+ * @property-read Unit $frequency_gigahertz
+ * @property-read Unit $frequency_megahertz
+ * @property-read Unit $frequency_kilohertz
+ * @property-read Unit $frequency_hertz
+ * @property-read Unit $graphics_em
+ * @property-read Unit $graphics_pixel
+ * @property-read Unit $graphics_megapixel
+ * @property-read Unit $graphics_pixel_per_centimeter
+ * @property-read Unit $graphics_pixel_per_inch
+ * @property-read Unit $graphics_dot_per_centimeter
+ * @property-read Unit $graphics_dot_per_inch
+ * @property-read Unit $graphics_dot
+ * @property-read Unit $length_earth_radius
+ * @property-read Unit $length_kilometer
+ * @property-read Unit $length_meter
+ * @property-read Unit $length_decimeter
+ * @property-read Unit $length_centimeter
+ * @property-read Unit $length_millimeter
+ * @property-read Unit $length_micrometer
+ * @property-read Unit $length_nanometer
+ * @property-read Unit $length_picometer
+ * @property-read Unit $length_mile
+ * @property-read Unit $length_yard
+ * @property-read Unit $length_foot
+ * @property-read Unit $length_inch
+ * @property-read Unit $length_parsec
+ * @property-read Unit $length_light_year
+ * @property-read Unit $length_astronomical_unit
+ * @property-read Unit $length_furlong
+ * @property-read Unit $length_fathom
+ * @property-read Unit $length_nautical_mile
+ * @property-read Unit $length_mile_scandinavian
+ * @property-read Unit $length_point
+ * @property-read Unit $length_solar_radius
+ * @property-read Unit $light_lux
+ * @property-read Unit $light_candela
+ * @property-read Unit $light_lumen
+ * @property-read Unit $light_solar_luminosity
+ * @property-read Unit $mass_metric_ton
+ * @property-read Unit $mass_kilogram
+ * @property-read Unit $mass_gram
+ * @property-read Unit $mass_milligram
+ * @property-read Unit $mass_microgram
+ * @property-read Unit $mass_ton
+ * @property-read Unit $mass_stone
+ * @property-read Unit $mass_pound
+ * @property-read Unit $mass_ounce
+ * @property-read Unit $mass_ounce_troy
+ * @property-read Unit $mass_carat
+ * @property-read Unit $mass_dalton
+ * @property-read Unit $mass_earth_mass
+ * @property-read Unit $mass_solar_mass
+ * @property-read Unit $mass_grain
+ * @property-read Unit $power_gigawatt
+ * @property-read Unit $power_megawatt
+ * @property-read Unit $power_kilowatt
+ * @property-read Unit $power_watt
+ * @property-read Unit $power_milliwatt
+ * @property-read Unit $power_horsepower
+ * @property-read Unit $pressure_millimeter_ofhg
+ * @property-read Unit $pressure_pound_force_per_square_inch
+ * @property-read Unit $pressure_inch_ofhg
+ * @property-read Unit $pressure_bar
+ * @property-read Unit $pressure_millibar
+ * @property-read Unit $pressure_atmosphere
+ * @property-read Unit $pressure_pascal
+ * @property-read Unit $pressure_hectopascal
+ * @property-read Unit $pressure_kilopascal
+ * @property-read Unit $pressure_megapascal
+ * @property-read Unit $speed_kilometer_per_hour
+ * @property-read Unit $speed_meter_per_second
+ * @property-read Unit $speed_mile_per_hour
+ * @property-read Unit $speed_knot
+ * @property-read Unit $temperature_celsius
+ * @property-read Unit $temperature_fahrenheit
+ * @property-read Unit $temperature_kelvin
+ * @property-read Unit $torque_pound_force_foot
+ * @property-read Unit $torque_newton_meter
+ * @property-read Unit $volume_cubic_kilometer
+ * @property-read Unit $volume_cubic_meter
+ * @property-read Unit $volume_cubic_centimeter
+ * @property-read Unit $volume_cubic_mile
+ * @property-read Unit $volume_cubic_yard
+ * @property-read Unit $volume_cubic_foot
+ * @property-read Unit $volume_cubic_inch
+ * @property-read Unit $volume_megaliter
+ * @property-read Unit $volume_hectoliter
+ * @property-read Unit $volume_liter
+ * @property-read Unit $volume_deciliter
+ * @property-read Unit $volume_centiliter
+ * @property-read Unit $volume_milliliter
+ * @property-read Unit $volume_pint_metric
+ * @property-read Unit $volume_cup_metric
+ * @property-read Unit $volume_acre_foot
+ * @property-read Unit $volume_bushel
+ * @property-read Unit $volume_gallon
+ * @property-read Unit $volume_gallon_imperial
+ * @property-read Unit $volume_quart
+ * @property-read Unit $volume_pint
+ * @property-read Unit $volume_cup
+ * @property-read Unit $volume_fluid_ounce
+ * @property-read Unit $volume_fluid_ounce_imperial
+ * @property-read Unit $volume_tablespoon
+ * @property-read Unit $volume_teaspoon
+ * @property-read Unit $volume_barrel
+ * @property-read Unit $volume_dessert_spoon
+ * @property-read Unit $volume_dessert_spoon_imperial
+ * @property-read Unit $volume_drop
+ * @property-read Unit $volume_dram
+ * @property-read Unit $volume_jigger
+ * @property-read Unit $volume_pinch
+ * @property-read Unit $volume_quart_imperial
+ *
+ */
+trait UnitsCompanion
+{
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function acceleration_g_force(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "acceleration-g-force", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function acceleration_meter_per_square_second(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "acceleration-meter-per-square-second", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function angle_revolution(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "angle-revolution", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function angle_radian(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "angle-radian", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function angle_degree(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "angle-degree", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function angle_arc_minute(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "angle-arc-minute", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function angle_arc_second(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "angle-arc-second", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_kilometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-kilometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_hectare(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-hectare", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_meter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-meter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_centimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-centimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_mile(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-mile", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_acre(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-acre", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_yard(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-yard", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_foot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-foot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_square_inch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-square-inch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function area_dunam(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "area-dunam", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_karat(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-karat", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_milligram_ofglucose_per_deciliter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-milligram-ofglucose-per-deciliter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_millimole_per_liter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-millimole-per-liter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_item(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-item", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_permillion(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-permillion", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_percent(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-percent", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_permille(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-permille", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_permyriad(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-permyriad", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function concentr_mole(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "concentr-mole", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function consumption_liter_per_kilometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "consumption-liter-per-kilometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function consumption_liter_per_100_kilometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "consumption-liter-per-100-kilometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function consumption_mile_per_gallon(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "consumption-mile-per-gallon", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function consumption_mile_per_gallon_imperial(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "consumption-mile-per-gallon-imperial", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_petabyte(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-petabyte", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_terabyte(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-terabyte", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_terabit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-terabit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_gigabyte(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-gigabyte", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_gigabit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-gigabit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_megabyte(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-megabyte", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_megabit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-megabit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_kilobyte(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-kilobyte", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_kilobit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-kilobit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_byte(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-byte", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function digital_bit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "digital-bit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_century(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-century", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_decade(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-decade", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_year(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-year", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_month(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-month", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_week(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-week", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_day(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-day", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_hour(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-hour", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_minute(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-minute", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_second(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-second", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_millisecond(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-millisecond", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_microsecond(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-microsecond", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function duration_nanosecond(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "duration-nanosecond", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function electric_ampere(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "electric-ampere", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function electric_milliampere(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "electric-milliampere", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function electric_ohm(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "electric-ohm", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function electric_volt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "electric-volt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_kilocalorie(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-kilocalorie", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_calorie(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-calorie", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_foodcalorie(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-foodcalorie", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_kilojoule(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-kilojoule", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_joule(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-joule", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_kilowatt_hour(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-kilowatt-hour", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_electronvolt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-electronvolt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_british_thermal_unit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-british-thermal-unit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function energy_therm_us(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "energy-therm-us", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function force_pound_force(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "force-pound-force", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function force_newton(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "force-newton", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function force_kilowatt_hour_per_100_kilometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "force-kilowatt-hour-per-100-kilometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function frequency_gigahertz(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "frequency-gigahertz", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function frequency_megahertz(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "frequency-megahertz", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function frequency_kilohertz(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "frequency-kilohertz", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function frequency_hertz(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "frequency-hertz", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_em(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-em", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_pixel(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-pixel", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_megapixel(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-megapixel", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_pixel_per_centimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-pixel-per-centimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_pixel_per_inch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-pixel-per-inch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_dot_per_centimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-dot-per-centimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_dot_per_inch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-dot-per-inch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function graphics_dot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "graphics-dot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_earth_radius(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-earth-radius", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_kilometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-kilometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_meter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-meter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_decimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-decimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_centimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-centimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_millimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-millimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_micrometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-micrometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_nanometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-nanometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_picometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-picometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_mile(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-mile", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_yard(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-yard", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_foot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-foot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_inch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-inch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_parsec(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-parsec", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_light_year(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-light-year", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_astronomical_unit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-astronomical-unit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_furlong(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-furlong", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_fathom(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-fathom", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_nautical_mile(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-nautical-mile", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_mile_scandinavian(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-mile-scandinavian", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_point(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-point", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function length_solar_radius(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "length-solar-radius", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function light_lux(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "light-lux", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function light_candela(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "light-candela", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function light_lumen(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "light-lumen", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function light_solar_luminosity(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "light-solar-luminosity", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_metric_ton(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-metric-ton", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_kilogram(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-kilogram", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_gram(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-gram", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_milligram(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-milligram", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_microgram(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-microgram", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_ton(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-ton", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_stone(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-stone", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_pound(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-pound", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_ounce(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-ounce", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_ounce_troy(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-ounce-troy", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_carat(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-carat", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_dalton(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-dalton", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_earth_mass(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-earth-mass", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_solar_mass(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-solar-mass", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function mass_grain(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "mass-grain", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function power_gigawatt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "power-gigawatt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function power_megawatt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "power-megawatt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function power_kilowatt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "power-kilowatt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function power_watt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "power-watt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function power_milliwatt(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "power-milliwatt", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function power_horsepower(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "power-horsepower", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_millimeter_ofhg(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-millimeter-ofhg", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_pound_force_per_square_inch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-pound-force-per-square-inch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_inch_ofhg(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-inch-ofhg", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_bar(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-bar", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_millibar(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-millibar", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_atmosphere(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-atmosphere", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_pascal(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-pascal", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_hectopascal(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-hectopascal", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_kilopascal(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-kilopascal", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function pressure_megapascal(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "pressure-megapascal", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function speed_kilometer_per_hour(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "speed-kilometer-per-hour", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function speed_meter_per_second(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "speed-meter-per-second", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function speed_mile_per_hour(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "speed-mile-per-hour", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function speed_knot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "speed-knot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function temperature_celsius(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "temperature-celsius", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function temperature_fahrenheit(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "temperature-fahrenheit", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function temperature_kelvin(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "temperature-kelvin", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function torque_pound_force_foot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "torque-pound-force-foot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function torque_newton_meter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "torque-newton-meter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_kilometer(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-kilometer", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_meter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-meter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_centimeter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-centimeter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_mile(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-mile", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_yard(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-yard", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_foot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-foot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cubic_inch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cubic-inch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_megaliter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-megaliter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_hectoliter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-hectoliter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_liter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-liter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_deciliter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-deciliter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_centiliter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-centiliter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_milliliter(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-milliliter", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_pint_metric(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-pint-metric", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cup_metric(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cup-metric", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_acre_foot(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-acre-foot", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_bushel(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-bushel", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_gallon(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-gallon", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_gallon_imperial(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-gallon-imperial", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_quart(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-quart", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_pint(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-pint", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_cup(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-cup", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_fluid_ounce(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-fluid-ounce", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_fluid_ounce_imperial(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-fluid-ounce-imperial", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_tablespoon(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-tablespoon", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_teaspoon(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-teaspoon", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_barrel(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-barrel", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_dessert_spoon(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-dessert-spoon", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_dessert_spoon_imperial(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-dessert-spoon-imperial", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_drop(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-drop", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_dram(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-dram", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_jigger(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-jigger", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_pinch(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-pinch", $this);
+    }
+
+    /**
+     * @param float|int|numeric-string $number
+     */
+    public function volume_quart_imperial(float|int|string $number): NumberWithUnit
+    {
+        return new NumberWithUnit($number, "volume-quart-imperial", $this);
+    }
+
+}
diff --git a/tests/Units/SequenceTest.php b/tests/Units/SequenceTest.php
index 3deabba..42f5cdb 100644
--- a/tests/Units/SequenceTest.php
+++ b/tests/Units/SequenceTest.php
@@ -26,13 +26,9 @@ public function test_format(): void
 		$length = UnitLength::NARROW;
 
 		$units = $this->getMockBuilder(Units::class)
-			->onlyMethods([ 'assert_is_unit', 'format_sequence' ])
+			->onlyMethods([ 'format_sequence' ])
 			->disableOriginalConstructor()
 			->getMock();
-		$units
-			->expects($this->once())
-			->method('assert_is_unit')
-			->with($unit);
 		$units
 			->expects($this->once())
 			->method('format_sequence')
@@ -52,13 +48,9 @@ public function test_to_string(): void
 		$length = Units::DEFAULT_LENGTH;
 
 		$units = $this->getMockBuilder(Units::class)
-			->onlyMethods([ 'assert_is_unit', 'format_sequence' ])
+			->onlyMethods([ 'format_sequence' ])
 			->disableOriginalConstructor()
 			->getMock();
-		$units
-			->expects($this->once())
-			->method('assert_is_unit')
-			->with($unit);
 		$units
 			->expects($this->once())
 			->method('format_sequence')
diff --git a/tests/UnitsTest.php b/tests/UnitsTest.php
index 017c659..c16a8bc 100644
--- a/tests/UnitsTest.php
+++ b/tests/UnitsTest.php
@@ -49,7 +49,7 @@ public static function provide_test_cases(): array
 
 			[
 				'fr',
-				'acceleration-g-force',
+				'acceleration_g_force',
 				123.4504,
 				UnitLength::LONG,
 				"123,45 fois l’accélération de pesanteur terrestre"
@@ -270,22 +270,6 @@ public function test_getter(): void
 		$this->assertSame($unit, $units->angle_degree);
 	}
 
-	#[Test]
-	public function should_fail_with_undefined_unit(): void
-	{
-		$this->expectExceptionMessage("No such unit: undefined-unit");
-		$this->expectException(BadMethodCallException::class);
-		$this->units_for('fr')->{'undefined_unit'}();
-	}
-
-	public function test_unit_method_requires_one_argument(): void
-	{
-		$this->expectExceptionMessage("acceleration_g_force() expects one argument, got 0");
-		$this->expectException(BadMethodCallException::class);
-
-		$this->units_for('en')->acceleration_g_force(); // @phpstan-ignore-line
-	}
-
 	private function units_for(string $locale): Units
 	{
 		return new Units(self::$locales[$locale]); // @phpstan-ignore-line