src/vs/workbench/services/keybinding/common/macLinuxKeyboardMapper.ts/MacLinuxKeyboardMapper/_resolveSimpleUserBinding
class MacLinuxKeyboardMapper:	private _resolveSimpleUserBinding(binding: SimpleKeybinding | ScanCodeBinding | null): ScanCodeBinding[] {
		if (!binding) {
			return [];
		}
		if (binding instanceof ScanCodeBinding) {
			return [binding];
		}
		return this.simpleKeybindingToScanCodeBinding(binding);
	}