Add support for generating setters

runescape-api/src/main/java/net/runelite/mapping/Export.java

@@ -35,4 +35,6 @@ import java.lang.annotation.Target;
 public @interface Export
 {
 	String value();
+
+	boolean setter() default false;
 }

runescape-api/src/main/java/net/runelite/mapping/Import.java

@@ -35,4 +35,6 @@ import java.lang.annotation.Target;
 public @interface Import
 {
 	String value();
+
+	boolean setter() default false;
 }

runescape-api/src/main/java/net/runelite/rs/api/Client.java

@@ -119,6 +119,9 @@ public interface Client extends GameEngine
 	@Import("username")
 	String getUsername();
 
+	@Import(value = "username", setter = true)
+	void setUsername(String username);
+
 	@Import("menuActions")
 	String[] getMenuActions();
 
@@ -149,8 +152,6 @@ public interface Client extends GameEngine
 	@Import("rootInterface")
 	int getRootInterface();
 
-	//void setUsername(String var1);
-
 	@Import("sendGameMessage")
 	void sendGameMessage(int var1, String var2, String var3);