Add stubs for psalm

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

psalm.xml

@@ -6,7 +6,10 @@
 		xmlns="https://getpsalm.org/schema/config"
 		xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
 		errorBaseline="tests/psalm-baseline.xml"
->
+	>
+	<stubs>
+		<file name="tests/stub.phpstub" preloadClasses="true"/>
+	</stubs>
 	<projectFiles>
 		<directory name="lib" />
 		<ignoreFiles>

tests/stub.phpstub

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\Federation {
+    class TrustedServers {
+		public function getServers() {}
+		public function isTrustedServer($domainWithPort) {}
+    }
+}
+
+namespace Doctrine\DBAL\Platforms {
+	class SqlitePlatform {}
+}