Fix psalm errors

Author: Kirill Nesmeyanov

composer.json

@@ -17,6 +17,7 @@
         }
     },
     "require-dev": {
+        "type-lang/parser": "^1.0",
         "friendsofphp/php-cs-fixer": "^3.42",
         "phpunit/phpunit": "^10.5",
         "rector/rector": "^1.0",

src/Tag/Content.php

@@ -4,7 +4,6 @@
 
 namespace TypeLang\PHPDoc\Tag;
 
-use TypeLang\Parser\Exception\ParserExceptionInterface;
 use TypeLang\Parser\Node\Stmt\TypeStatement;
 use TypeLang\Parser\ParserInterface as TypesParserInterface;
 use TypeLang\PHPDoc\Exception\InvalidTagException;
@@ -108,19 +107,20 @@ public function nextOptionalVariable(): ?string
      */
     public function nextValue(string $tag, string $value): string
     {
+        /** @var T */
         return $this->apply(new ValueApplicator($tag, $value));
     }
 
     /**
      * @template T of non-empty-string
      *
      * @api
-     * @param non-empty-string $tag
      * @param T $value
      * @return T|null
      */
     public function nextOptionalValue(string $value): ?string
     {
+        /** @var T|null */
         return $this->apply(new OptionalValueApplicator($value));
     }
 

src/Tag/Content/ValueApplicator.php

@@ -33,6 +33,7 @@ public function __construct(
      */
     public function __invoke(Content $lexer): string
     {
+        /** @var T */
         return ($this->identifier)($lexer)
             ?? throw $lexer->getTagException(\sprintf(
                 'Tag @%s contains an incorrect identifier value "%s"',