src/vs/workbench/contrib/notebook/browser/viewParts/notebookEditorToolbar.ts/NotebookEditorToolbar/_convertConfiguration
class NotebookEditorToolbar:	private _convertConfiguration(value: RenderLabelWithFallback): RenderLabel {
		switch (value) {
			case true:
				return RenderLabel.Always;
			case false:
				return RenderLabel.Never;
			case 'always':
				return RenderLabel.Always;
			case 'never':
				return RenderLabel.Never;
			case 'dynamic':
				return RenderLabel.Dynamic;
		}
	}