import type { IRouter } from 'express';
export interface StagingEntry {
    path: string;
    size: number;
    mtime: string;
}
export interface StagingRoutesOptions {
    getStagingRoot: () => string;
    log?: (msg: string) => void;
}
export declare function registerStagingRoutes(router: IRouter, opts: StagingRoutesOptions): void;
export declare function listStagingFiles(stagingRoot: string): Promise<StagingEntry[]>;
export declare class StagingPathError extends Error {
    readonly code: 'INVALID_FILE' | 'OUTSIDE_ROOT';
    readonly status: number;
    constructor(message: string, code: 'INVALID_FILE' | 'OUTSIDE_ROOT', status: number);
}
export declare function resolveStagingFile(stagingRoot: string, file: string): Promise<string>;
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