export interface StaleCdkTmpdir {
    readonly path: string;
    readonly sizeBytes: number;
    readonly mtime: Date;
}
export interface FindOptions {
    /** Base tmpdir to scan. Defaults to os.tmpdir(); overridden by tests. */
    readonly tmpdirPath?: string;
    /** Minimum age before a dir is reported. Defaults to 24h. */
    readonly maxAgeMs?: number;
}
export interface CleanupResult {
    readonly removed: number;
    readonly failed: number;
    readonly bytesReclaimed: number;
}
export declare function findStaleCdkTmpdirs(options?: FindOptions): Promise<StaleCdkTmpdir[]>;
export declare function removeStaleCdkTmpdirs(dirs: readonly StaleCdkTmpdir[]): Promise<CleanupResult>;
/** Find + remove in one call — the shape vitest teardown reapers consume. */
export declare function cleanupStaleCdkTmpdirs(options?: FindOptions): Promise<CleanupResult>;
export declare function formatBytes(bytes: number): string;