import { Effect } from 'effect'; declare class FsError { readonly _tag = "fs-error"; readonly message: string; readonly stack?: string; constructor(e: unknown); } export declare const ensureDir: (path: string) => Effect.Effect; export declare const emptyDir: (path: string) => Effect.Effect; export declare const readJson: (path: string) => Effect.Effect; export declare const writeFile: (path: string, data: string) => Effect.Effect; export {};