Add generics annotations

Author: mbabker

src/Topic/ConnectionPeriodicTimer.php

@@ -6,6 +6,9 @@
 use React\EventLoop\LoopInterface;
 use React\EventLoop\TimerInterface;
 
+/**
+ * @implements \IteratorAggregate<string, TimerInterface>
+ */
 class ConnectionPeriodicTimer implements \IteratorAggregate, \Countable
 {
     /**

src/Topic/TopicPeriodicTimer.php

@@ -5,6 +5,9 @@
 use React\EventLoop\LoopInterface;
 use React\EventLoop\TimerInterface;
 
+/**
+ * @implements \IteratorAggregate<string, array<string, TimerInterface>>
+ */
 class TopicPeriodicTimer implements \IteratorAggregate
 {
     /**