Fixed some phpDocs

Author: lookyman

Diff for: phpstan.neon

@@ -10,7 +10,3 @@ parameters:
 		- */tests/*/ExampleController.php
 		- */tests/*/ExampleServiceSubscriber.php
 		- */tests/*/request_get_content.php
-	ignoreErrors:
-		- '~^Parameter \#1 \$node \(.*\) of method .*Rule::processNode\(\) should be contravariant with parameter \$node \(PhpParser\\Node\) of method PHPStan\\Rules\\Rule::processNode\(\)$~'
-		- '~^Parameter \#2 \$default of method Symfony\\Component\\HttpFoundation\\HeaderBag::get\(\) expects string\|null, array<int, string> given\.$~'
-	reportUnmatchedIgnoredErrors: false

Diff for: src/Rules/Symfony/ContainerInterfacePrivateServiceRule.php

@@ -6,6 +6,7 @@
 use PhpParser\Node\Expr\MethodCall;
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
+use PHPStan\ShouldNotHappenException;
 use PHPStan\Symfony\ServiceMap;
 use PHPStan\Type\ObjectType;
 use function sprintf;
@@ -27,12 +28,16 @@ public function getNodeType(): string
 	}
 
 	/**
-	 * @param MethodCall $node
-	 * @param Scope $scope
-	 * @return string[]
+	 * @param \PhpParser\Node $node
+	 * @param \PHPStan\Analyser\Scope $scope
+	 * @return (string|\PHPStan\Rules\RuleError)[] errors
 	 */
 	public function processNode(Node $node, Scope $scope): array
 	{
+		if (!$node instanceof MethodCall) {
+			throw new ShouldNotHappenException();
+		}
+
 		if (!$node->name instanceof Node\Identifier) {
 			return [];
 		}

Diff for: src/Rules/Symfony/ContainerInterfaceUnknownServiceRule.php

@@ -7,6 +7,7 @@
 use PhpParser\PrettyPrinter\Standard;
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
+use PHPStan\ShouldNotHappenException;
 use PHPStan\Symfony\ServiceMap;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\Symfony\Helper;
@@ -32,12 +33,16 @@ public function getNodeType(): string
 	}
 
 	/**
-	 * @param MethodCall $node
-	 * @param Scope $scope
-	 * @return string[]
+	 * @param \PhpParser\Node $node
+	 * @param \PHPStan\Analyser\Scope $scope
+	 * @return (string|\PHPStan\Rules\RuleError)[] errors
 	 */
 	public function processNode(Node $node, Scope $scope): array
 	{
+		if (!$node instanceof MethodCall) {
+			throw new ShouldNotHappenException();
+		}
+
 		if (!$node->name instanceof Node\Identifier) {
 			return [];
 		}