the tables a root keeps are typed as a root's; the module's answer is cast where its option is known on

packages/svelte/src/compiler/phases/1-parse/js.js

@@ -30,12 +30,13 @@ export function parse(source, comments, typescript) {
 		comments.push(/** @type {AST.JSComment} */ (comment));
 	}
 	// a module read on its own is one piece: its program, in its own scope
+	const scopes = /** @type {teasel.Scope[]} */ (answer.scopes);
 	keep_tables(answer.node, {
 		node: answer.node,
-		scope: answer.scopes[0],
+		scope: scopes[0],
-		scopes: answer.scopes.slice(1),
+		scopes: scopes.slice(1),
-		bindings: answer.bindings,
+		bindings: /** @type {teasel.Binding[]} */ (answer.bindings),
-		references: answer.references
+		references: /** @type {teasel.Reference[]} */ (answer.references)
 	});
 
 	return answer.node;

packages/svelte/src/compiler/utils/ast.js

@@ -12,13 +12,13 @@ import { bindingOf } from '@teasel/parser';
 const PARSED = Symbol('parsed');
 
 /**
- * Keeps the parser's answer on the root it parsed, a script's program or a template's
+ * Keeps the parser's tables on the root they belong to, a script's program or a template's
- * expression, pattern, parameter list or declaration, for its tables.
+ * expression, pattern, parameter list or declaration.
  * @param {object} root
- * @param {import('@teasel/parser').Parsed<unknown>} answer
+ * @param {Tables} tables
  */
-export function keep_tables(root, answer) {
+export function keep_tables(root, tables) {
-	/** @type {any} */ (root)[PARSED] = answer;
+	/** @type {any} */ (root)[PARSED] = tables;
 }
 
 /**