src/vs/workbench/api/common/extHostTreeViews.ts/ExtHostTreeViews/registerTreeDataProvider
class ExtHostTreeViews:	registerTreeDataProvider<T>(id: string, treeDataProvider: vscode.TreeDataProvider<T>, extension: IExtensionDescription): vscode.Disposable {
		const treeView = this.createTreeView(id, { treeDataProvider }, extension);
		return { dispose: () => treeView.dispose() };
	}