Update EventLoopDriver.php

Author: AndrewCarterUK

src/EventLoopDriver.php

@@ -75,7 +75,7 @@ public function onWritable($stream, callable $callback);
      * 
      * @return string An identifier that can be used to cancel, enable or disable the event.
      */
-    public function onSignal(int $signo, callable $callback);
+    public function onSignal($signo, callable $callback);
 
     /**
      * Execute a callback when an error occurs.
@@ -93,7 +93,7 @@ public function onError(callable $callback);
      * 
      * @return void
      */
-    public function enable(string $eventIdentifier);
+    public function enable($eventIdentifier);
 
     /**
      * Disable an event.
@@ -102,7 +102,7 @@ public function enable(string $eventIdentifier);
      * 
      * @return void
      */
-    public function disable(string $eventIdentifier);
+    public function disable($eventIdentifier);
 
     /**
      * Cancel an event.
@@ -111,7 +111,7 @@ public function disable(string $eventIdentifier);
      * 
      * @return void
      */
-    public function cancel(string $eventIdentifier);
+    public function cancel($eventIdentifier);
 
     /**
      * Reference an event.
@@ -122,7 +122,7 @@ public function cancel(string $eventIdentifier);
      * 
      * @return void
      */
-    public function reference(string $eventIdentifier);
+    public function reference($eventIdentifier);
 
     /**
      * Unreference an event.
@@ -134,5 +134,5 @@ public function reference(string $eventIdentifier);
      * 
      * @return void
      */
-    public function unreference(string $eventIdentifier);
+    public function unreference($eventIdentifier);
 }