added type hints

src/TokenParser/FromTokenParser.php

@@ -13,6 +13,7 @@ namespace Twig\TokenParser;
 
 use Twig\Node\Expression\AssignNameExpression;
 use Twig\Node\ImportNode;
+use Twig\Node\Node;
 use Twig\Token;
 
 /**
@@ -22,7 +23,7 @@ use Twig\Token;
  */
 final class FromTokenParser extends AbstractTokenParser
 {
-    public function parse(Token $token)
+    public function parse(Token $token): Node
     {
         $macro = $this->parser->getExpressionParser()->parseExpression();
         $stream = $this->parser->getStream();
@@ -55,7 +56,7 @@ final class FromTokenParser extends AbstractTokenParser
         return $node;
     }
 
-    public function getTag()
+    public function getTag(): string
     {
         return 'from';
     }