import type { IRouter } from 'express';
export interface RestoreHostWriteOptions {
    getUpstreamBase: () => string | null;
    log?: (msg: string) => void;
}
export interface HostRestoreStatus {
    state: 'idle' | 'preparing' | 'streaming' | 'extracting' | 'completed' | 'failed' | 'rolling_back' | 'rolled_back';
    progress: number;
    statusMessage: string;
    error?: string;
    backupId?: string;
    sourcePath?: string;
    targetPath?: string;
}
export declare function registerHostRestoreRoutes(router: IRouter, opts: RestoreHostWriteOptions): void;
interface ResolvedHostTarget {
    /** Absolute path the bytes land at on disk. */
    absoluteTarget: string;
    /** Sibling path that holds the existing target during the rename
     *  swap; cleaned up on success, restored on failure. */
    safetyPath: string;
}
export declare function resolveHostTarget(customPath: string, _isDir: boolean, sourcePath: string): ResolvedHostTarget;
export declare function resolveZipEntryPath(entryPath: string, targetDir: string): string | null;
export {};
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