src/vs/workbench/contrib/notebook/browser/viewParts/notebookEditorToolbar.ts/NotebookEditorToolbar/_updateStrategy
class NotebookEditorToolbar:	private _updateStrategy() {
		switch (this._renderLabel) {
			case RenderLabel.Always:
				this._strategy = new FixedLabelStrategy(this.notebookEditor, this, this.instantiationService);
				break;
			case RenderLabel.Never:
				this._strategy = new FixedLabellessStrategy(this.notebookEditor, this, this.instantiationService);
				break;
			case RenderLabel.Dynamic:
				this._strategy = new DynamicLabelStrategy(this.notebookEditor, this, this.instantiationService);
				break;
		}
	}