index.js(6,12): error TS2503: Cannot find namespace 'Workspace'.


==== index.js (1 errors) ====
    First.Item = class I {}
    Common.Object = class extends First.Item {}
    
    Workspace.Object = class extends Common.Object {}
    
    /** @type {Workspace.Object} */
               ~~~~~~~~~
!!! error TS2503: Cannot find namespace 'Workspace'.
    var am;
    
==== roots.js (0 errors) ====
    var First = {};
    var Common = {};
    var Workspace = {};
    