Add tick times API

paper-api/src/main/java/org/bukkit/Server.java

@@ -1877,6 +1877,21 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
      */
     @NotNull
     public double[] getTPS();
+
+    /**
+     * Get a sample of the servers last tick times (in nanos)
+     *
+     * @return A sample of the servers last tick times (in nanos)
+     */
+    @NotNull
+    long[] getTickTimes();
+
+    /**
+     * Get the average tick time (in millis)
+     *
+     * @return Average tick time (in millis)
+     */
+    double getAverageTickTime();
     // Paper end
 
     // Paper start