extensions/npm/src/npmView.ts/Folder/constructor
class Folder:	constructor(folder: WorkspaceFolder) {
		super(folder.name, TreeItemCollapsibleState.Expanded);
		this.contextValue = 'folder';
		this.resourceUri = folder.uri;
		this.workspaceFolder = folder;
		this.iconPath = ThemeIcon.Folder;
	}