chore: fix phpstan errors

src/BusProNet/ApiClient.php

@@ -7,6 +7,7 @@ use App\BusProNet\Exception\ApiClientException;
 use App\BusProNet\Exception\ImmediateConnectionCloseException;
 use App\BusProNet\Exception\ResponseParserException;
 use App\BusProNet\Exception\TimeoutException;
+use App\BusProNet\Model\Agency;
 use App\BusProNet\Model\BaseData;
 use App\BusProNet\Model\Booking;
 use App\BusProNet\Model\BookingResponse;
@@ -49,11 +50,13 @@ class ApiClient
     public const TYPE_PURCHASE_VOUCHER = 'GUTSCHEINPRUEFUNGEINLOESUNG';
     public const TYPE_PROMO_VOUCHER = 'AKTIONSGUTSCHEIN';
 
+    /** @var array<string, mixed> */
     private array $config;
     private float $operationStartTime;
     private int $selectedPort;
     private int $requestCounter = 0;
 
+    /** @param array<string, mixed> $options */
     public function __construct(
         private readonly SerializerInterface $serializer,
         private readonly ApiResponseParser $responseParser,
@@ -613,6 +616,10 @@ class ApiClient
     /**
      * @throws ApiClientException
      */
+    /**
+     * @param array<string, mixed> $data
+     * @param array<string, mixed> $additionalArgs
+     */
     private function sendRequest(string $type, array $data, array $additionalArgs = [], bool $debug = false): mixed
     {
         return $this->executeWithRetry(fn () => $this->doSendRequest($type, $data, $additionalArgs, $debug), $type);
@@ -621,6 +628,7 @@ class ApiClient
     /**
      * @throws ApiClientException
      */
+    /** @param array<string, mixed> $data */
     private function sendRequestRaw(array $data): string
     {
         return $this->executeWithRetry(fn () => $this->doSendRequestRaw($data));
@@ -676,6 +684,10 @@ class ApiClient
      * @throws ApiClientException
      * @throws ImmediateConnectionCloseException
      */
+    /**
+     * @param array<string, mixed> $data
+     * @param array<string, mixed> $additionalArgs
+     */
     private function doSendRequest(string $type, array $data, array $additionalArgs = [], bool $debug = false): mixed
     {
         $requestId = $this->getRequestId();
@@ -733,6 +745,8 @@ class ApiClient
     }
 
     /**
+     * @param array<string, mixed> $data
+     *
      * @throws ApiClientException
      * @throws ImmediateConnectionCloseException
      */
@@ -794,6 +808,8 @@ class ApiClient
     }
 
     /**
+     * @return resource
+     *
      * @throws ApiClientException
      * @throws TimeoutException
      */
@@ -857,6 +873,8 @@ class ApiClient
     }
 
     /**
+     * @param resource $socket
+     *
      * @throws TimeoutException
      */
     private function send($socket, string $data): void
@@ -875,6 +893,8 @@ class ApiClient
     }
 
     /**
+     * @param resource $socket
+     *
      * @throws TimeoutException
      * @throws ImmediateConnectionCloseException
      */
@@ -937,11 +957,17 @@ class ApiClient
         return $response;
     }
 
+    /** @param resource $socket */
     private function disconnect($socket): void
     {
         @fclose($socket);
     }
 
+    /**
+     * @param array<string, mixed> $options
+     *
+     * @return array<string, mixed>
+     */
     private function resolveOptions(array $options): array
     {
         $optionsResolver = new OptionsResolver();