Skeleton API Implementations

This contains the basic, empty implementations for some Spigot-API extensions. They are included early in the patching progress so that compilation will still succeed midway despite the APIs only being provided by subsequent patches.

By: md_5 <git@md-5.net>

paper-server/src/main/java/org/bukkit/craftbukkit/command/ProxiedNativeCommandSender.java

@@ -132,4 +132,11 @@ public class ProxiedNativeCommandSender implements ProxiedCommandSender {
         this.getCaller().setOp(value);
     }
 
+    // Spigot start
+    @Override
+    public org.bukkit.command.CommandSender.Spigot spigot()
+    {
+       return this.getCaller().spigot();
+    }
+    // Spigot end
 }

paper-server/src/main/java/org/bukkit/craftbukkit/command/ServerCommandSender.java

@@ -95,4 +95,16 @@ public abstract class ServerCommandSender implements CommandSender {
     public void sendMessage(UUID uuid, String... messages) {
         this.sendMessage(messages); // ServerCommandSenders have no use for senders
     }
+
+    // Spigot start
+    private final org.bukkit.command.CommandSender.Spigot spigot = new org.bukkit.command.CommandSender.Spigot()
+    {
+    };
+
+    @Override
+    public org.bukkit.command.CommandSender.Spigot spigot()
+    {
+        return this.spigot;
+    }
+    // Spigot end
 }