src/vs/platform/keybinding/common/usLayoutResolvedKeybinding.ts/USLayoutResolvedKeybinding/_resolveSimpleUserBinding
class USLayoutResolvedKeybinding:	private static _resolveSimpleUserBinding(binding: SimpleKeybinding | ScanCodeBinding | null): SimpleKeybinding | null {
		if (!binding) {
			return null;
		}
		if (binding instanceof SimpleKeybinding) {
			return binding;
		}
		const keyCode = this._scanCodeToKeyCode(binding.scanCode);
		if (keyCode === KeyCode.Unknown) {
			return null;
		}
		return new SimpleKeybinding(binding.ctrlKey, binding.shiftKey, binding.altKey, binding.metaKey, keyCode);
	}