+<?php
+
+namespace Drupal\advanced_help\Plugin\Derivative;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+
+/**
+ * Defines dynamic local tasks.
+ */
+class DynamicLocalTasks extends DeriverBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getDerivativeDefinitions($base_plugin_definition) {
+
+ if (\Drupal::moduleHandler()->moduleExists('help')) {
+ $this->derivatives['advanced_help.help'] = $base_plugin_definition;
+ $this->derivatives['advanced_help.help']['title'] = "Help";
+ $this->derivatives['advanced_help.help']['route_name'] = 'help.main';
+ $this->derivatives['advanced_help.help']['base_route'] = 'help.main';
+
+ $this->derivatives['help.main'] = $base_plugin_definition;
+ $this->derivatives['help.main']['title'] = "Advanced Help";
+ $this->derivatives['help.main']['route_name'] = 'advanced_help.main';
+ $this->derivatives['help.main']['base_route'] = 'help.main';
+
+ return $this->derivatives;
+ }
+ }
+}
+?>
\ No newline at end of file