{"ast_node_type":"variable","tokens":[{"end":24,"kind":"keyword","start":0,"text":"let"}]}
    let source_root_id =
        current_module.definition_source_file_id(ctx.db).original_file(ctx.db);
        ctx.db.file_source_root(module_definition_file.file_id(ctx.db)).source_root_id(ctx.db);