addModule(mod) {
        if (this._modules === undefined) {
            this._modules = [];
        }
        this._modules.push(mod);
        // Let the tree view know that we've added a child.
        // This will cause the tree-view to re-acquire the childern.
        dominoDirectoryTreeEventEmitter.fire(this);
    }
/**
     * Associates a module descriptor with this directory tree item.
     * @param mod The module to associate with this directory item.
     */
Associates a module descriptor with this directory tree item.
@param mod The module to associate with this directory item.
Associates a module descriptor with this directory tree item . @param mod The module to associate with this directory item .
addModule(mod) {
        if (this._modules === undefined) {
            this._modules = [];
        }
        this._modules.push(mod);
        dominoDirectoryTreeEventEmitter.fire(this);
    }
addModule ( mod ) { if ( this . _modules === undefined ) { this . _modules = [ ] ; } this . _modules . push ( mod ) ; dominoDirectoryTreeEventEmitter . fire ( this ) ; }
Associates a module descriptor with this directory tree item.
Associates a module descriptor with this directory tree item .
// Let the tree view know that we've added a child.
 // This will cause the tree-view to re-acquire the childern.
