diff --git a/stubs/Contracts/Application.stubphp b/stubs/Foundation/Application.stubphp
similarity index 69%
rename from stubs/Contracts/Application.stubphp
rename to stubs/Foundation/Application.stubphp
index 88572c25..cafb08a1 100644
--- a/stubs/Contracts/Application.stubphp
+++ b/stubs/Foundation/Application.stubphp
@@ -1,16 +1,14 @@
 <?php
 
-namespace Illuminate\Contracts\Foundation;
+namespace Illuminate\Foundation;
 
-use Illuminate\Contracts\Container\Container;
-
-interface Application extends Container
+class Application
 {
     /**
      * Get or check the current application environment.
      * @param string|list<string> ...$environments
      * @return string|bool
-     * @psalm-return ($environments is (string|non-empty-array) ? bool : string)
+     * @psalm-return ($environments is null ? string : bool)
      */
     public function environment(...$environments) {}
 
diff --git a/tests/Type/tests/Contracts/ApplicationTest.phpt b/tests/Type/tests/Contracts/ApplicationTest.phpt
deleted file mode 100644
index f06ab1c0..00000000
--- a/tests/Type/tests/Contracts/ApplicationTest.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---FILE--
-<?php declare(strict_types=1);
-
-function returns_bool_for_string_arg(string $env): bool
-{
-    return app()->environment($env);
-}
-
-/** @param non-empty-list<string> $envs */
-function returns_bool_for_array_arg(array $envs): bool
-{
-    return app()->environment($envs);
-}
-
-function returns_string(): string
-{
-    return app()->environment();
-}
-?>
---EXPECTF--
diff --git a/tests/Type/tests/Foundation/ApplicationTest.phpt b/tests/Type/tests/Foundation/ApplicationTest.phpt
new file mode 100644
index 00000000..9fca5cb2
--- /dev/null
+++ b/tests/Type/tests/Foundation/ApplicationTest.phpt
@@ -0,0 +1,22 @@
+--FILE--
+<?php declare(strict_types=1);
+
+use \Illuminate\Foundation\Application;
+
+function returns_bool_for_string_arg(Application $application, string $env): bool
+{
+    return $application->environment($env);
+}
+
+/** @param non-empty-list<string> $envs */
+function returns_bool_for_array_arg(Application $application, array $envs): bool
+{
+    return $application->environment($envs);
+}
+
+function returns_string(Application $application): string
+{
+    return $application->environment();
+}
+?>
+--EXPECTF--