Implement Keystone environment deployments

app/Drivers/Concerns/SupportsSlices.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Drivers\Concerns;
+
+use App\Enums\EnvironmentAttachmentRole;
+use App\Models\ServiceSlice;
+
+interface SupportsSlices
+{
+    /**
+     * @return array<int, string>
+     */
+    public function supportedSliceTypes(): array;
+
+    /**
+     * @return array<string, string>
+     */
+    public function environmentExportsForSlice(ServiceSlice $slice, ?EnvironmentAttachmentRole $role = null): array;
+
+    public function provisionSliceScript(ServiceSlice $slice): string;
+}