[BUGFIX] Fix a type annotation in RuleSet

Author: oliverklee

config/phpstan-baseline.neon

@@ -318,12 +318,6 @@ parameters:
 			count: 1
 			path: ../src/RuleSet/DeclarationBlock.php
 
-		-
-			message: '#^Argument of an invalid type Sabberworm\\CSS\\Rule\\Rule supplied for foreach, only iterables are supported\.$#'
-			identifier: foreach.nonIterable
-			count: 2
-			path: ../src/RuleSet/RuleSet.php
-
 		-
 			message: '#^Call to an undefined method Sabberworm\\CSS\\OutputFormat\:\:removeLastSemicolon\(\)\.$#'
 			identifier: method.notFound
@@ -384,12 +378,6 @@ parameters:
 			count: 1
 			path: ../src/RuleSet/RuleSet.php
 
-		-
-			message: '#^Use explicit methods over array access on object$#'
-			identifier: typePerfect.noArrayAccessOnObject
-			count: 1
-			path: ../src/RuleSet/RuleSet.php
-
 		-
 			message: '#^Parameters should have "string" types as the only types passed to this method$#'
 			identifier: typePerfect.narrowPublicClassMethodParamType

src/RuleSet/RuleSet.php

@@ -25,7 +25,10 @@
 abstract class RuleSet implements Renderable, Commentable
 {
     /**
-     * @var array<string, Rule>
+     * the rules in this rule set, using the property name as the key,
+     * with potentially multiple rules per property name.
+     *
+     * @var array<string, array<int<0,max>, Rule>>
      */
     private $rules = [];