Add missing return types

Author: stevebauman

src/Facades/Index.php

@@ -23,7 +23,7 @@ class Index extends Facade
     /**
      * {@inheritDoc}
      */
-    protected static function getFacadeAccessor()
+    protected static function getFacadeAccessor(): string
     {
         return IndexManagerInterface::class;
     }

tests/Integration/RealOpenSearchTestCase.php

@@ -12,15 +12,15 @@ class RealOpenSearchTestCase extends TestbenchTestCase
 {
     protected string $indexPrefix;
 
-    protected function getPackageProviders($app)
+    protected function getPackageProviders($app): array
     {
         return [
             OpenSearchClientServiceProvider::class,
             OpenSearchMigrationsServiceProvider::class,
         ];
     }
 
-    protected function getEnvironmentSetUp($app)
+    protected function getEnvironmentSetUp($app): void
     {
         parent::getEnvironmentSetUp($app);
 

tests/Integration/TestCase.php

@@ -10,15 +10,15 @@
 
 class TestCase extends TestbenchTestCase
 {
-    protected function getPackageProviders($app)
+    protected function getPackageProviders($app): array
     {
         return [
             OpenSearchClientServiceProvider::class,
             OpenSearchMigrationsServiceProvider::class,
         ];
     }
 
-    protected function getEnvironmentSetUp($app)
+    protected function getEnvironmentSetUp($app): void
     {
         parent::getEnvironmentSetUp($app);