src/vs/workbench/services/keybinding/browser/keybindingService.ts/WorkbenchKeybindingService/_getDefaultKeybindings
class WorkbenchKeybindingService:	private static _getDefaultKeybindings(defaultKeybindings: readonly ResolvedKeybindingItem[]): string {
		const out = new OutputBuilder();
		out.writeLine('[');

		const lastIndex = defaultKeybindings.length - 1;
		defaultKeybindings.forEach((k, index) => {
			KeybindingIO.writeKeybindingItem(out, k);
			if (index !== lastIndex) {
				out.writeLine(',');
			} else {
				out.writeLine();
			}
		});
		out.writeLine(']');
		return out.toString();
	}