src/vs/workbench/services/preferences/common/preferencesModels.ts/DefaultSettings/compareConfigurationNodes
class DefaultSettings:	private compareConfigurationNodes(c1: IConfigurationNode, c2: IConfigurationNode): number {
		if (typeof c1.order !== 'number') {
			return 1;
		}
		if (typeof c2.order !== 'number') {
			return -1;
		}
		if (c1.order === c2.order) {
			const title1 = c1.title || '';
			const title2 = c2.title || '';
			return title1.localeCompare(title2);
		}
		return c1.order - c2.order;
	}