--- /dev/null
+<?php
+
+namespace Drupal\user\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\user\RoleInterface;
+
+/**
+ * Provides the user permissions administration form for a specific role.
+ */
+class UserPermissionsRoleSpecificForm extends UserPermissionsForm {
+
+ /**
+ * The specific role for this form.
+ *
+ * @var \Drupal\user\RoleInterface
+ */
+ protected $userRole;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getRoles() {
+ return [$this->userRole->id() => $this->userRole];
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @param string $role_id
+ * The user role ID used for this form.
+ */
+ public function buildForm(array $form, FormStateInterface $form_state, RoleInterface $user_role = NULL) {
+ $this->userRole = $user_role;
+ return parent::buildForm($form, $form_state);
+ }
+
+}