Update webidl2.js

Author: saschanaz

lib/webidl2.js

@@ -12,6 +12,8 @@ import { CallbackInterface } from "./productions/callback-interface.js";
 import { autoParenter } from "./productions/helpers.js";
 import { Eof } from "./productions/token.js";
 
+/** @import { Base } from "./productions/base.js" */
+
 /** @typedef {'callbackInterface'|'dictionary'|'interface'|'mixin'|'namespace'} ExtendableInterfaces */
 /** @typedef {{ extMembers?: import("./productions/container.js").AllowedMember[]}} Extension */
 /** @typedef {Partial<Record<ExtendableInterfaces, Extension>>} Extensions */
@@ -21,7 +23,7 @@ import { Eof } from "./productions/token.js";
  * @typedef {Object} ParserOptions
  * @property {string} [sourceName]
  * @property {boolean} [concrete]
- * @property {Function[]} [productions]
+ * @property {((tokeniser: Tokeniser) => Base)[]} [productions]
  * @property {Extensions} [extensions]
  */