> $availableRules * @return array> */ public static function resolve(int $level, array $availableRules, string $methodName) : array { // level < 0 is not allowed Assert::natural($level, \sprintf('Level must be >= 0 on %s', $methodName)); Assert::allIsAOf($availableRules, RectorInterface::class); $rulesCount = \count($availableRules); if ($availableRules === []) { throw new ShouldNotHappenException(\sprintf('There are no available rules in "%s()", define the available rules first', $methodName)); } // start with 0 $maxLevel = $rulesCount - 1; if ($level > $maxLevel) { $level = $maxLevel; } $levelRules = []; for ($i = 0; $i <= $level; ++$i) { $levelRules[] = $availableRules[$i]; } return $levelRules; } }