Add immediate packets w/ use packet type

src/main/java/net/minecraft/server/PacketStatusOutPong.java

@@ -0,0 +1,37 @@
+package net.minecraft.server;
+
+import java.io.IOException;
+
+public class PacketStatusOutPong implements Packet<PacketStatusOutListener> {
+
+    private long a;
+
+    public PacketStatusOutPong() {}
+
+    public PacketStatusOutPong(long i) {
+        this.a = i;
+    }
+
+    public void a(PacketDataSerializer packetdataserializer) throws IOException {
+        this.a = packetdataserializer.readLong();
+    }
+
+    public void b(PacketDataSerializer packetdataserializer) throws IOException {
+        packetdataserializer.writeLong(this.a);
+    }
+
+    public void a(PacketStatusOutListener packetstatusoutlistener) {
+        packetstatusoutlistener.a(this);
+    }
+    // Akarin start
+    @Override
+    public io.akarin.server.core.PacketType getType() {
+        return io.akarin.server.core.PacketType.STATUS_OUT_PONG;
+    }
+
+    @Override
+    public boolean canDispatchImmediately() {
+        return true;
+    }
+    // Akarin end
+}