Add return type to closures in service provider

Author: WimWidgets

src/LaravelEfficientUuidServiceProvider.php

@@ -3,6 +3,7 @@
 namespace Dyrynda\Database;
 
 use Illuminate\Database\Connection;
+use Illuminate\Database\Schema\ColumnDefinition;
 use Illuminate\Support\ServiceProvider;
 use Illuminate\Database\Schema\Blueprint;
 use Dyrynda\Database\Connection\MySqlConnection;
@@ -28,19 +29,20 @@ public function boot()
      */
     public function register()
     {
-        Connection::resolverFor('mysql', function ($connection, $database, $prefix, $config) {
+        Connection::resolverFor('mysql', function ($connection, $database, $prefix, $config): MySqlConnection {
             return new MySqlConnection($connection, $database, $prefix, $config);
         });
 
-        Connection::resolverFor('postgres', function ($connection, $database, $prefix, $config) {
+        Connection::resolverFor('postgres', function ($connection, $database, $prefix, $config): PostgresConnection {
             return new PostgresConnection($connection, $database, $prefix, $config);
         });
 
-        Connection::resolverFor('sqlite', function ($connection, $database, $prefix, $config) {
+        Connection::resolverFor('sqlite', function ($connection, $database, $prefix, $config): SQLiteConnection {
             return new SQLiteConnection($connection, $database, $prefix, $config);
         });
 
-        Blueprint::macro('efficientUuid', function ($column) {
+        Blueprint::macro('efficientUuid', function ($column): ColumnDefinition {
+            /** @var Blueprint $this */
             return $this->addColumn('efficientUuid', $column);
         });
     }