default services conflit ?

old.vendor/drupal/core-composer-scaffold/CommandProvider.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Drupal\Composer\Plugin\Scaffold;
+
+use Composer\Plugin\Capability\CommandProvider as CommandProviderCapability;
+
+/**
+ * List of all commands provided by this package.
+ *
+ * @internal
+ */
+class CommandProvider implements CommandProviderCapability {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCommands() {
+    return [new ComposerScaffoldCommand()];
+  }
+
+}