class DeprecationHelperScope

final class DeprecationHelperScope implements DeprecatedScopeResolver {
    public function isScopeDeprecated(Scope $scope) : bool {
        if (!class_exists(DeprecationHelper::class)) {
            return false;
        }
        $callStack = $scope->getFunctionCallStackWithParameters();
        if (count($callStack) === 0) {
            return false;
        }
        [
            $function,
            $parameter,
        ] = $callStack[0];
        if (!$function instanceof MethodReflection) {
            return false;
        }
        if ($function->getName() !== 'backwardsCompatibleCall' || $function->getDeclaringClass()
            ->getName() !== DeprecationHelper::class) {
            return false;
        }
        return $parameter !== null && $parameter->getName() === 'deprecatedCallable';
    }

}