export interface FileVersion {
    readonly identity: string;
    readonly size: number;
}
/** What one stat of a listed source tells the listing. Both facts come from
 * the same call: taking the mtime and discarding the size would cost a second
 * stat to get it back. */
export interface SourceStat {
    /** The last native write, as an ISO 8601 UTC time. */
    readonly lastWriteAt: string;
    readonly size: number;
}
export interface TranscriptFile {
    close(): Promise<void>;
    read(length: number, start?: number): Promise<Uint8Array>;
    version(): Promise<FileVersion>;
}
export interface TranscriptFiles {
    snapshot?(path: string): Promise<TranscriptFile>;
    /** Regular files under `path`. `prune` drops a directory before it is
     * opened, so a store's child conversations cost no walk. */
    list?(path: string, recursive?: boolean, prune?: (name: string) => boolean): AsyncIterable<string>;
    open(path: string): Promise<TranscriptFile>;
    realpath?(path: string): Promise<string>;
    version(path: string): Promise<FileVersion>;
    /** The write time and size of one listed regular file. */
    sourceStat?(path: string): Promise<SourceStat>;
}
export declare const nodeTranscriptFiles: TranscriptFiles;
//# sourceMappingURL=files.d.ts.map