Revert "Update to Slevomat CS 5.0"

This reverts commit c4b708e.

Author: ondrejmirtes

composer.json

@@ -23,14 +23,14 @@
 		"nikic/php-parser": "^4.0"
 	},
 	"require-dev": {
-		"consistence/coding-standard": "^3.8",
+		"consistence/coding-standard": "^3.0.1",
 		"dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
 		"jakub-onderka/php-parallel-lint": "^1.0",
 		"phing/phing": "^2.16.0",
 		"phpstan/phpstan-phpunit": "^0.12",
 		"phpstan/phpstan-strict-rules": "^0.12",
 		"phpunit/phpunit": "^7.0",
-		"slevomat/coding-standard": "^5.0.4",
+		"slevomat/coding-standard": "^4.5.2",
 		"doctrine/common": "^2.7",
 		"doctrine/orm": "^2.5",
 		"doctrine/collections": "^1.0",

phpcs.xml

@@ -20,11 +20,17 @@
 	</rule>
 	<rule ref="SlevomatCodingStandard.TypeHints.TypeHintDeclaration">
 		<properties>
+			<property name="usefulAnnotations" type="array" value="
+				@dataProvider,
+				@requires
+			"/>
 			<property name="enableObjectTypeHint" value="false"/>
 		</properties>
+		<exclude name="SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingTraversableParameterTypeHintSpecification"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingTraversableReturnTypeHintSpecification"/>
 	</rule>
 	<rule ref="SlevomatCodingStandard.ControlStructures.AssignmentInCondition"/>
-	<rule ref="SlevomatCodingStandard.Operators.DisallowEqualOperators"/>
+	<rule ref="SlevomatCodingStandard.ControlStructures.DisallowEqualOperators"/>
 	<rule ref="SlevomatCodingStandard.ControlStructures.EarlyExit"/>
 	<rule ref="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming"/>
 	<rule ref="SlevomatCodingStandard.Classes.SuperfluousInterfaceNaming"/>