import AbstractCliTest from '../../../tests/AbstractCliTest';
export default class UpgradingASkillTest extends AbstractCliTest {
    protected static beforeEach(): Promise<void>;
    protected static forceEverythingUpgradeOverwritesWhatHasChanged(): Promise<void>;
    protected static upgradeWillAskIfYouWantToOverwriteFiles(): Promise<void>;
    protected static canSkipFile(): Promise<void>;
    protected static canAlwaysSkipFiles(): Promise<void>;
    protected static upgradesUpdatesPackageScripts(): Promise<void>;
    private static clearFileIfAboutToBeUpdated;
    private static installAndBreakSkill;
    private static installSkill;
    private static assertFailedHealthCheck;
    private static installBreakAndUpgradeSkill;
    private static assertSkillIsBroken;
}