/// <reference types="node" />
export declare type FileVisitor = (file: File) => boolean | void | Promise<boolean | void>;
export interface File {
    readonly path: string;
    readonly content: Promise<Buffer>;
    readonly stats: Promise<File.Stats>;
}
export declare namespace File {
    interface Stats {
        mode: number;
    }
}
export interface Directory {
    readonly path: string;
    dir(name: string): Promise<Directory>;
    file(name: string): Promise<File | null>;
    visit(visitor: FileVisitor): Promise<void>;
}
export interface Tree {
    get(path: string): Promise<File | null>;
    getDir(path: string): Promise<Directory>;
    overwrite(path: string, content: Buffer | string, stat?: File.Stats): void;
    create(path: string, content: Buffer | string, stat?: File.Stats): void;
    delete(path: string): void;
    move(from: string, to: string): void;
}
export declare namespace Tree {
    type Action = OverwriteAction | CreateAction | DeleteAction | MoveAction;
    interface OverwriteAction {
        type: 'overwrite';
        path: string;
        content?: Buffer;
        stat?: File.Stats;
    }
    interface CreateAction {
        type: 'create';
        path: string;
        content: Buffer;
        stat?: File.Stats;
    }
    interface DeleteAction {
        type: 'delete';
        path: string;
    }
    interface MoveAction {
        type: 'move';
        from: string;
        to: string;
    }
}
export interface Host {
    readFile(path: string): Buffer | Promise<Buffer>;
    readDir(path: string): Host.readDir.Resp | Promise<Host.readDir.Resp>;
    readStat(path: string): Host.Stats | Promise<Host.Stats>;
    writeFile(path: string, content?: Buffer, options?: Host.writeFile.Options): void | Promise<void>;
    moveFile(from: string, to: string): void | Promise<void>;
    deleteFile(path: string): void | Promise<void>;
    mkdirp(path: string): void | Promise<void>;
}
export declare namespace Host {
    interface Stats extends File.Stats {
        isFile(): boolean;
        isDirectory(): boolean;
    }
    namespace readDir {
        interface Resp {
            files: string[];
            dirs: string[];
        }
    }
    namespace writeFile {
        interface Options {
            mode: number;
        }
    }
}
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