fix: TypeScript: incorrect type in CommonTokenStream

Signed-off-by: Johannes Heesterman <[email protected]>

Author: johannesheesterman

runtime/JavaScript/src/antlr4/CommonTokenStream.d.ts

@@ -1,9 +1,10 @@
 import {Lexer} from "./Lexer";
 import {BufferedTokenStream} from "./BufferedTokenStream";
+import {Token} from "./Token";
 
 export declare class CommonTokenStream extends BufferedTokenStream {
     // properties
-    tokens: string[];
+    tokens: Token[];
     // methods
     constructor(lexer: Lexer);
     constructor(lexer: Lexer, channel: number);