__toString has been removed from the interface

Author: f3ath

src/Document/Resource/NullResource.php

@@ -23,6 +23,9 @@ public function identifies(ResourceInterface $resource): bool
         return false;
     }
 
+    /**
+     * @deprecated to be removed in 1.0
+     */
     public function __toString(): string
     {
         return 'null';

src/Document/Resource/ResourceIdentifier.php

@@ -44,6 +44,9 @@ function ($v) {
         );
     }
 
+    /**
+     * @deprecated to be removed in 1.0
+     */
     public function __toString(): string
     {
         return sprintf("%s:%s", $this->type, $this->id ?: 'null');

src/Document/Resource/ResourceInterface.php

@@ -14,6 +14,4 @@
 interface ResourceInterface extends \JsonSerializable
 {
     public function identifies(ResourceInterface $resource): bool;
-
-    public function __toString(): string;
 }