SlevomatCodingStandard.TypeHints.ParameterTypeHint: Type alias should not be reported as "missing traversable type hint specification"

Author: kukulich

SlevomatCodingStandard/Sniffs/TypeHints/ParameterTypeHintSniff.php

@@ -447,6 +447,14 @@ private function checkTraversableTypeHintSpecification(
 				continue;
 			}
 
+			if (TypeHintHelper::isTypeDefinedInAnnotation(
+				$phpcsFile,
+				$functionPointer,
+				(string) $parametersAnnotations[$parameterName]->getType()
+			)) {
+				continue;
+			}
+
 			$parameterTypeNode = $parametersAnnotations[$parameterName]->getType();
 
 			if (

tests/Sniffs/TypeHints/data/parameterTypeHintNoErrors.php

@@ -292,4 +292,11 @@ public function withAlias($withAlias1, $withAlias2, $withAlias3)
 	{
 	}
 
+	/**
+	 * @param SomeAlias1 $array
+	 */
+	public function withArrayAlias(array $array)
+	{
+	}
+
 }