export interface ComponentInstaller {
    install(): Promise<void>;
    uninstall(): Promise<void>;
    isInstalled(): Promise<boolean>;
    validate(): Promise<boolean>;
    getName(): string;
}
export interface BackupMetadata {
    originalPath: string;
    backupPath: string;
    timestamp: number;
    component: string;
    operation: 'install' | 'uninstall';
}
export interface InstallationState {
    backups: BackupMetadata[];
    installedComponents: string[];
    timestamp: number;
}
export declare class InstallationError extends Error {
    component: string;
    operation: 'install' | 'uninstall';
    cause?: Error | undefined;
    constructor(message: string, component: string, operation: 'install' | 'uninstall', cause?: Error | undefined);
}
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