src/vs/editor/contrib/inlayHints/browser/inlayHintsController.ts/RenderedInlayHintLabelPart/part
class RenderedInlayHintLabelPart:	get part() {
		const label = this.item.hint.label;
		if (typeof label === 'string') {
			return { label };
		} else {
			return label[this.index];
		}
	}