add setter for contentType

runelite-api/src/main/java/net/runelite/api/widgets/Widget.java

@@ -36,6 +36,8 @@ public interface Widget
 
 	int getContentType();
 
+	void setContentType(int contentType);
+
 	Widget getParent();
 
 	int getParentId();

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

@@ -139,6 +139,10 @@ public interface RSWidget extends Widget
 	@Override
 	int getContentType();
 
+	@Import("contentType")
+	@Override
+	void setContentType(int contentType);
+
 	@Import("type")
 	@Override
 	int getType();