Innmind · Baptouuuu · Feb 22, 2026 · Feb 22, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -12,5 +12,3 @@ jobs:
     uses: innmind/github-workflows/.github/workflows/psalm-matrix.yml@main
   cs:
     uses: innmind/github-workflows/.github/workflows/cs.yml@main
-    with:
-      php-version: '8.2'
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [Unreleased]
+
+### Changed
+
+- Requires PHP `8.4`
+- Requires `innmind/foundation:~2.1`
+
 ## 4.0.0 - 2025-08-09
 
 ### Changed

diff --git a/composer.json b/composer.json
@@ -14,8 +14,8 @@
         "issues": "http://github.com/Innmind/RabbitMQManagement/issues"
     },
     "require": {
-        "php": "~8.2",
-        "innmind/foundation": "^1.7.1"
+        "php": "~8.4",
+        "innmind/foundation": "~2.1"
     },
     "autoload": {
         "psr-4": {
@@ -29,7 +29,7 @@
     },
     "require-dev": {
         "innmind/black-box": "~6.5",
-        "innmind/static-analysis": "^1.2.1",
+        "innmind/static-analysis": "~1.3",
         "innmind/coding-standard": "~2.0"
     }
 }
diff --git a/src/Control/Permissions.php b/src/Control/Permissions.php
@@ -54,7 +54,7 @@ public function declare(
             ->flatMap(static fn($process) => $process->wait()->attempt(
                 static fn($error) => new \RuntimeException($error::class),
             ))
-            ->map(static fn() => new SideEffect);
+            ->map(SideEffect::identity(...));
     }
 
     /**
@@ -77,6 +77,6 @@ public function delete(string $vhost, string $user): Attempt
             ->flatMap(static fn($process) => $process->wait()->attempt(
                 static fn($error) => new \RuntimeException($error::class),
             ))
-            ->map(static fn() => new SideEffect);
+            ->map(SideEffect::identity(...));
     }
 }
diff --git a/src/Control/Users.php b/src/Control/Users.php
@@ -47,7 +47,7 @@ public function declare(string $name, string $password, string ...$tags): Attemp
             ->flatMap(static fn($process) => $process->wait()->attempt(
                 static fn($error) => new \RuntimeException($error::class),
             ))
-            ->map(static fn() => new SideEffect);
+            ->map(SideEffect::identity(...));
     }
 
     /**
@@ -69,6 +69,6 @@ public function delete(string $name): Attempt
             ->flatMap(static fn($process) => $process->wait()->attempt(
                 static fn($error) => new \RuntimeException($error::class),
             ))
-            ->map(static fn() => new SideEffect);
+            ->map(SideEffect::identity(...));
     }
 }
diff --git a/src/Control/VHosts.php b/src/Control/VHosts.php
@@ -45,7 +45,7 @@ public function declare(string $name): Attempt
             ->flatMap(static fn($process) => $process->wait()->attempt(
                 static fn($error) => new \RuntimeException($error::class),
             ))
-            ->map(static fn() => new SideEffect);
+            ->map(SideEffect::identity(...));
     }
 
     /**
@@ -67,6 +67,6 @@ public function delete(string $name): Attempt
             ->flatMap(static fn($process) => $process->wait()->attempt(
                 static fn($error) => new \RuntimeException($error::class),
             ))
-            ->map(static fn() => new SideEffect);
+            ->map(SideEffect::identity(...));
     }
 }
diff --git a/src/Model/Channel.php b/src/Model/Channel.php
@@ -7,7 +7,7 @@
     Channel\Name,
     Channel\Messages,
 };
-use Innmind\TimeContinuum\PointInTime;
+use Innmind\Time\Point;
 use Innmind\Immutable\Maybe;
 
 /**
@@ -16,7 +16,7 @@
 final class Channel
 {
     /**
-     * @param Maybe<PointInTime> $idleSince
+     * @param Maybe<Point> $idleSince
      */
     private function __construct(
         private Name $name,
@@ -36,7 +36,7 @@ private function __construct(
     /**
      * @psalm-pure
      *
-     * @param Maybe<PointInTime> $idleSince
+     * @param Maybe<Point> $idleSince
      */
     #[\NoDiscard]
     public static function of(
@@ -128,7 +128,7 @@ public function transactional(): bool
     }
 
     /**
-     * @return Maybe<PointInTime>
+     * @return Maybe<Point>
      */
     #[\NoDiscard]
     public function idleSince(): Maybe

diff --git a/src/Model/Connection.php b/src/Model/Connection.php
@@ -11,7 +11,7 @@
     Connection\AuthenticationMechanism,
     Connection\Type,
 };
-use Innmind\TimeContinuum\PointInTime;
+use Innmind\Time\Point;
 use Innmind\Url\Authority\{
     Host,
     Port,
@@ -24,7 +24,7 @@ final class Connection
 {
     private function __construct(
         private Name $name,
-        private PointInTime $connectedAt,
+        private Point $connectedAt,
         private Timeout $timeout,
         private VHost\Name $vhost,
         private User\Name $user,
@@ -46,7 +46,7 @@ private function __construct(
     #[\NoDiscard]
     public static function of(
         Name $name,
-        PointInTime $connectedAt,
+        Point $connectedAt,
         Timeout $timeout,
         VHost\Name $vhost,
         User\Name $user,
@@ -85,7 +85,7 @@ public function name(): Name
     }
 
     #[\NoDiscard]
-    public function connectedAt(): PointInTime
+    public function connectedAt(): Point
     {
         return $this->connectedAt;
     }

diff --git a/src/Model/Queue.php b/src/Model/Queue.php
@@ -7,7 +7,7 @@
     Queue\Identity,
     Queue\Messages,
 };
-use Innmind\TimeContinuum\PointInTime;
+use Innmind\Time\Point;
 use Innmind\Immutable\Maybe;
 
 /**
@@ -16,7 +16,7 @@
 final class Queue
 {
     /**
-     * @param Maybe<PointInTime> $idleSince
+     * @param Maybe<Point> $idleSince
      */
     private function __construct(
         private Identity $identity,
@@ -34,7 +34,7 @@ private function __construct(
     /**
      * @psalm-pure
      *
-     * @param Maybe<PointInTime> $idleSince
+     * @param Maybe<Point> $idleSince
      */
     #[\NoDiscard]
     public static function of(
@@ -74,7 +74,7 @@ public function messages(): Messages
     }
 
     /**
-     * @return Maybe<PointInTime>
+     * @return Maybe<Point>
      */
     #[\NoDiscard]
     public function idleSince(): Maybe

diff --git a/src/Status.php b/src/Status.php
@@ -27,7 +27,7 @@
     Server,
     Server\Command,
 };
-use Innmind\TimeContinuum\{
+use Innmind\Time\{
     Clock,
     Format,
 };
@@ -177,10 +177,10 @@ public function connections(): Sequence
                         Is::int()
                             ->map(static fn($value) => (string) (int) ($value / 1000))
                             ->map(
-                                $this
+                                fn($date) => $this
                                     ->clock
-                                    ->ofFormat(Format::of('U'))
-                                    ->at(...),
+                                    ->at($date, Format::of('U'))
+                                    ->maybe(),
                             )
                             ->and(Is::just()),
                     )
@@ -450,10 +450,10 @@ public function channels(): Sequence
                         Is::string()
                             ->nonEmpty()
                             ->map(
-                                $this
+                                fn($date) => $this
                                     ->clock
-                                    ->ofFormat(Format::of('Y-m-d G:i:s'))
-                                    ->at(...),
+                                    ->at($date, Format::of('Y-m-d G:i:s'))
+                                    ->maybe(),
                             ),
                     )
                     ->default('idle_since', Maybe::nothing())
@@ -581,10 +581,10 @@ public function queues(): Sequence
                         Is::string()
                             ->nonEmpty()
                             ->map(
-                                $this
+                                fn($date) => $this
                                     ->clock
-                                    ->ofFormat(Format::of('Y-m-d G:i:s'))
-                                    ->at(...),
+                                    ->at($date, Format::of('Y-m-d G:i:s'))
+                                    ->maybe(),
                             ),
                     )
                     ->default('idle_since', Maybe::nothing())
@@ -694,7 +694,7 @@ private function list(string $element): Sequence
                 static fn($success) => $success
                     ->output()
                     ->map(static fn($chunk) => $chunk->data())
-                    ->fold(new Concat)
+                    ->fold(Concat::monoid)
                     ->toString(),
             )
             ->map(static fn($output): mixed => \json_decode($output, true))

diff --git a/tests/Control/PermissionsTest.php b/tests/Control/PermissionsTest.php
@@ -4,19 +4,32 @@
 namespace Tests\Innmind\RabbitMQ\Management\Control;
 
 use Innmind\RabbitMQ\Management\Control\Permissions;
-use Innmind\Server\Control\Servers\Mock;
-use Innmind\Immutable\SideEffect;
+use Innmind\Server\Control\{
+    Server,
+    Server\Process\Builder,
+};
+use Innmind\Immutable\{
+    Attempt,
+    SideEffect,
+};
 use Innmind\BlackBox\PHPUnit\Framework\TestCase;
 
 class PermissionsTest extends TestCase
 {
     public function testDeclare()
     {
-        $server = Mock::new($this->assert())
-            ->willExecute(fn($command) => $this->assertSame(
-                "rabbitmqadmin 'declare' 'permission' 'vhost=/' 'user=foo' 'configure=.{1}' 'write=.{2}' 'read=.{3}'",
-                $command->toString(),
-            ));
+        $server = Server::via(
+            function($command) {
+                $this->assertSame(
+                    "rabbitmqadmin 'declare' 'permission' 'vhost=/' 'user=foo' 'configure=.{1}' 'write=.{2}' 'read=.{3}'",
+                    $command->toString(),
+                );
+
+                return Attempt::result(
+                    Builder::foreground(2)->build(),
+                );
+            },
+        );
         $permissions = Permissions::of($server);
 
         $this->assertInstanceOf(
@@ -30,14 +43,20 @@ public function testDeclare()
 
     public function testReturnNothingWhenFailToDeclare()
     {
-        $server = Mock::new($this->assert())
-            ->willExecute(
-                fn($command) => $this->assertSame(
+        $server = Server::via(
+            function($command) {
+                $this->assertSame(
                     "rabbitmqadmin 'declare' 'permission' 'vhost=/' 'user=foo' 'configure=.{1}' 'write=.{2}' 'read=.{3}'",
                     $command->toString(),
-                ),
-                static fn($_, $builder) => $builder->failed(),
-            );
+                );
+
+                return Attempt::result(
+                    Builder::foreground(2)
+                        ->failed()
+                        ->build(),
+                );
+            },
+        );
         $permissions = Permissions::of($server);
 
         $this->assertNull($permissions->declare('/', 'foo', '.{1}', '.{2}', '.{3}')->match(
@@ -48,11 +67,18 @@ public function testReturnNothingWhenFailToDeclare()
 
     public function testDelete()
     {
-        $server = Mock::new($this->assert())
-            ->willExecute(fn($command) => $this->assertSame(
-                "rabbitmqadmin 'delete' 'permission' 'vhost=/' 'user=foo'",
-                $command->toString(),
-            ));
+        $server = Server::via(
+            function($command) {
+                $this->assertSame(
+                    "rabbitmqadmin 'delete' 'permission' 'vhost=/' 'user=foo'",
+                    $command->toString(),
+                );
+
+                return Attempt::result(
+                    Builder::foreground(2)->build(),
+                );
+            },
+        );
         $permissions = Permissions::of($server);
 
         $this->assertInstanceOf(
@@ -66,14 +92,20 @@ public function testDelete()
 
     public function testReturnNothingWhenFailToDelete()
     {
-        $server = Mock::new($this->assert())
-            ->willExecute(
-                fn($command) => $this->assertSame(
+        $server = Server::via(
+            function($command) {
+                $this->assertSame(
                     "rabbitmqadmin 'delete' 'permission' 'vhost=/' 'user=foo'",
                     $command->toString(),
-                ),
-                static fn($_, $builder) => $builder->failed(),
-            );
+                );
+
+                return Attempt::result(
+                    Builder::foreground(2)
+                        ->failed()
+                        ->build(),
+                );
+            },
+        );
         $permissions = Permissions::of($server);
 
         $this->assertNull($permissions->delete('/', 'foo')->match(