src/Validator/ConfigValidator/Rules/TypeValidationRule.php
private function getFieldConfigRules()
    {
        return [
            'name'              => ['type' => TypeService::TYPE_STRING, 'required' => true],
            'type'              => ['type' => TypeService::TYPE_ANY, 'required' => true],
            'args'              => ['type' => TypeService::TYPE_ARRAY],
            'description'       => ['type' => TypeService::TYPE_STRING],
            'resolve'           => ['type' => TypeService::TYPE_CALLABLE],
            'isDeprecated'      => ['type' => TypeService::TYPE_BOOLEAN],
            'deprecationReason' => ['type' => TypeService::TYPE_STRING],
            'cost'              => ['type' => TypeService::TYPE_ANY]
        ];
    }
private function getFieldConfigRules()
    {
        return [
            'name'              => ['type' => TypeService::TYPE_STRING, 'required' => true],
            'type'              => ['type' => TypeService::TYPE_ANY, 'required' => true],
            'args'              => ['type' => TypeService::TYPE_ARRAY],
            'description'       => ['type' => TypeService::TYPE_STRING],
            'resolve'           => ['type' => TypeService::TYPE_CALLABLE],
            'isDeprecated'      => ['type' => TypeService::TYPE_BOOLEAN],
            'deprecationReason' => ['type' => TypeService::TYPE_STRING],
            'cost'              => ['type' => TypeService::TYPE_ANY]
        ];
    }
Exists for the performance
@return array