src/vs/workbench/services/keybinding/common/macLinuxKeyboardMapper.ts/ScanCodeCombo/toString
class ScanCodeCombo:	public toString(): string {
		return `${this.ctrlKey ? 'Ctrl+' : ''}${this.shiftKey ? 'Shift+' : ''}${this.altKey ? 'Alt+' : ''}${ScanCodeUtils.toString(this.scanCode)}`;
	}