2.0 release candidate (#3808)

* use SAML interface instead of implementation
* moved implementation of SAML configs to system-configuration base class
* bump composer packages
* simplify configuration for different env

src/Configuration/SamlConfigurationInterface.php

@@ -9,12 +9,32 @@
 
 namespace App\Configuration;
 
+/**
+ * @CloudRequired
+ */
 interface SamlConfigurationInterface
 {
+    /**
+     * Whether SAML login is activated.
+     *
+     * @return bool
+     */
     public function isActivated(): bool;
 
+    /**
+     * Returns the title  that is exclusively used in the frontend.
+     * Currently, used to display the button in the login screen.
+     *
+     * @return string
+     */
     public function getTitle(): string;
 
+    /**
+     * Returns the provider name that is exclusively used in the frontend.
+     * Currently, used to display an icon in the login screen.
+     *
+     * @return string
+     */
     public function getProvider(): string;
 
     public function getAttributeMapping(): array;