upgrade to filament v4

app/Filament/Resources/Clients/Pages/ListClients.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Filament\Resources\ClientResource\Pages;
+
+use App\Filament\Exports\ClientExporter;
+use App\Filament\Resources\ClientResource;
+use Filament\Actions;
+use Filament\Resources\Pages\ListRecords;
+
+class ListClients extends ListRecords
+{
+    protected static string $resource = ClientResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\ExportAction::make('Export clients')
+            ->exporter(ClientExporter::class)
+            ->formats([
+                Actions\Exports\Enums\ExportFormat::Csv,
+            ]),
+            Actions\CreateAction::make()->slideOver(),
+        ];
+    }
+}