Issue #2914478 by borisson_, mpp, drunken monkey, pfrenssen, claudiu.cristea, kevin.dutra, SylvainM, jhedstrom, bircher: Added integration with Drush 9.

Author: borisson_

Diff for: CHANGELOG.txt

@@ -1,5 +1,7 @@
 Search API 1.x, dev (xxxx-xx-xx):
 ---------------------------------
+- #2914478 by borisson_, mpp, drunken monkey, pfrenssen, claudiu.cristea,
+  kevin.dutra, SylvainM, jhedstrom, bircher: Added integration with Drush 9.
 - #2926733 by drunken monkey, borisson_: Fixed indexing of leading/trailing
   whitespace in fulltext tokens on database backend.
 - #2922024 by drunken monkey, borisson_: Fixed Stemmer incorrectly processing

Diff for: composer.json

@@ -25,5 +25,12 @@
   "license": "GPL-2.0+",
   "require-dev": {
     "drupal/search_api_autocomplete": "@dev"
+  },
+  "extra": {
+    "drush": {
+      "services": {
+        "drush.services.yml": "^9"
+      }
+    }
   }
 }

Diff for: drush.services.yml

@@ -0,0 +1,8 @@
+services:
+  search_api.commands:
+    class: \Drupal\search_api\Commands\SearchApiCommands
+    arguments:
+      - '@entity_type.manager'
+      - '@module_handler'
+    tags:
+      - { name: drush.command }