Build stuff into nodes! They may not do anything, but it's node-tastic!

src/main/java/net/minecraft/commands/tree/ArgumentCommandNode.java

@@ -0,0 +1,21 @@
+package net.minecraft.commands.tree;
+
+import net.minecraft.commands.arguments.CommandArgumentType;
+
+public class ArgumentCommandNode extends CommandNode {
+    private final String name;
+    private final CommandArgumentType type;
+
+    public ArgumentCommandNode(String name, CommandArgumentType type) {
+        this.name = name;
+        this.type = type;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public CommandArgumentType getType() {
+        return type;
+    }
+}