Interfaces, Abstract Methods, and Virtual Overloading

NOTICE

@@ -13,7 +13,7 @@ under the licensing terms detailed in LICENSE:
 * Joshua Tenner <[email protected]>
 * Nidin Vinayakan <[email protected]>
 * Aaron Turner <[email protected]>
-* Willem Wyndham <[email protected]>
+* Willem Wyndham <[email protected]> or <[email protected]>
 * Bowen Wang <[email protected]>
 * Emil Laine <[email protected]>
 * Stephen Paul Weber <[email protected]>

src/ast.ts

@@ -1174,7 +1174,8 @@ export enum DecoratorKind {
   EXTERNAL,
   BUILTIN,
   LAZY,
-  UNSAFE
+  UNSAFE,
+  FINAL,
 }
 
 export namespace DecoratorKind {
@@ -1219,6 +1220,10 @@ export namespace DecoratorKind {
           if (nameStr == "unsafe") return DecoratorKind.UNSAFE;
           break;
         }
+        case CharCode.f: {
+          if (nameStr == "final") return DecoratorKind.FINAL;
+          break;
+        }
       }
     } else if (
       nameNode.kind == NodeKind.PROPERTYACCESS &&