> Array of parameter attributes */ public function getParameterAttributes( ClassName $className, string $methodName, string $parameterName, ?string $attributeClass = null ): array; /** * Get detailed parameter information * * @param ClassName $className The class name containing the method * @param string $methodName The method name to get parameter info for * @return array> Array of parameter information */ public function getParameterInfo(ClassName $className, string $methodName): array; }