Psalm declarations

Author: arokettu

src/Services/CallbackService.php

@@ -12,13 +12,19 @@
 
 final readonly class CallbackService implements PesoServiceInterface
 {
+    /** @psalm-var Closure(object):(ExchangeRateResponse|ConversionResponse|ErrorResponse) */
     private Closure $send;
+    /** @psalm-var Closure(object):bool */
     private Closure $supports;
 
+    /**
+     * @psalm-param callable(object):(ExchangeRateResponse|ConversionResponse|ErrorResponse) $send
+     * @psalm-param callable(object):bool|null $supports
+     */
     public function __construct(callable $send, callable|null $supports = null)
     {
-        $this->send = Closure::fromCallable($send);
-        $this->supports = $supports !== null ? Closure::fromCallable($supports) : static fn (object $_) => true;
+        $this->send = $send(...);
+        $this->supports = $supports !== null ? $supports(...) : static fn (object $_): true => true;
     }
 
     #[Override]

src/Services/PesoServiceInterface.php

@@ -16,9 +16,9 @@
 interface PesoServiceInterface
 {
     /**
-     * @template T of object
-     * @param T $request
-     * @return (
+     * @psalm-template T of object
+     * @psalm-param T $request
+     * @psalm-return (
      *      T is CurrentExchangeRateRequest ? ExchangeRateResponse|ErrorResponse : (
      *      T is HistoricalExchangeRateRequest ? ExchangeRateResponse|ErrorResponse : (
      *      T is CurrentConversionRequest ? ConversionResponse|ErrorResponse : (