Paper/nms-patches/ChatModifier.patch

--- a/net/minecraft/server/ChatModifier.java
+++ b/net/minecraft/server/ChatModifier.java
@@ -114,6 +114,20 @@
         return new ChatModifier(this.color, this.bold, obool, this.underlined, this.strikethrough, this.obfuscated, this.clickEvent, this.hoverEvent, this.insertion, this.font);
     }
 
+    // CraftBukkit start
+    public ChatModifier setStrikethrough(@Nullable Boolean obool) {
+        return new ChatModifier(this.color, this.bold, this.italic, this.underlined, obool, this.obfuscated, this.clickEvent, this.hoverEvent, this.insertion, this.font);
+    }
+
+    public ChatModifier setUnderline(@Nullable Boolean obool) {
+        return new ChatModifier(this.color, this.bold, this.italic, obool, this.strikethrough, this.obfuscated, this.clickEvent, this.hoverEvent, this.insertion, this.font);
+    }
+
+    public ChatModifier setRandom(@Nullable Boolean obool) {
+        return new ChatModifier(this.color, this.bold, this.italic, this.underlined, this.strikethrough, obool, this.clickEvent, this.hoverEvent, this.insertion, this.font);
+    }
+    // CraftBukkit end
+
     public ChatModifier setChatClickable(@Nullable ChatClickable chatclickable) {
         return new ChatModifier(this.color, this.bold, this.italic, this.underlined, this.strikethrough, this.obfuscated, chatclickable, this.hoverEvent, this.insertion, this.font);
     }