export interface IPackageManager {
    checkConfigInstalled(): Promise<{
        isInstalled: boolean;
        version: null | string;
    }>;
    checkEslintInstalled(): Promise<{
        isInstalled: boolean;
        version: null | string;
    }>;
    detectInstalledFeatures(): Promise<Array<string>>;
    detectTypescriptInProject(): Promise<boolean>;
    installDependencies(features: Array<string>): Promise<void>;
    validateFeatureSelection(features: Array<string>): Promise<{
        errors: Array<string>;
        isValid: boolean;
    }>;
}
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