import { Context } from "koishi";
import { StorageDriver, FileStats } from "../types";
/**
 * 本地文件系统存储驱动
 */
export declare class LocalStorageDriver implements StorageDriver {
    private readonly ctx;
    readonly baseDir: string;
    private readonly logger;
    constructor(ctx: Context, baseDir: string);
    private ensureDirectory;
    getPath(id: string): string;
    write(id: string, buffer: Buffer): Promise<void>;
    read(id: string): Promise<Buffer>;
    delete(id: string): Promise<void>;
    exists(id: string): Promise<boolean>;
    getStats(id: string): Promise<FileStats | null>;
    listFiles(): Promise<string[]>;
}