fix: rules

rector.php

@@ -2,11 +2,15 @@
 
 declare(strict_types=1);
 
+use PHPDevsr\Rector\Codeigniter4\Set\CodeigniterSetList;
 use Rector\Config\RectorConfig;
 use Rector\Php55\Rector\String_\StringClassNameToClassConstantRector;
 
 return RectorConfig::configure()
     ->withImportNames(removeUnusedImports:true)
+    ->withSets([
+        CodeigniterSetList::CODEIGNITER_44,
+    ])
     ->withPaths([
         __DIR__ . '/src',
         __DIR__ . '/tests',
@@ -20,6 +24,4 @@
         // skip for handle scoped, like in the rector-src as well
         // @see https://github.com/rectorphp/rector-src/blob/7f73cf017214257c170d34db3af7283eaeeab657/rector.php#L71
         StringClassNameToClassConstantRector::class,
-    ])
-    ->withPhpSets()
-    ->withPreparedSets(deadCode: true, codeQuality: true, naming: true);
+    ]);

src/Utils/UnderscoreToCamelCaseVariableNameRector.php

@@ -168,7 +168,7 @@ private function processRenameVariable(Node $node): ?Variable
 
     private function updateDocblock(string $variableName, string $camelCaseName, ?FunctionLike $functionLike): void
     {
-        if (!$functionLike instanceof FunctionLike) {
+        if ($functionLike === null) {
             return;
         }