import type * as fs from 'fs';
import { FileSystem, MkDirOptions } from './common/fileSystem';
import { Uri } from './common/uri/uri';
import { ReadOnlyAugmentedFileSystem } from './readonlyAugmentedFileSystem';
export interface IPyrightFileSystem extends FileSystem {
}
export declare class PyrightFileSystem extends ReadOnlyAugmentedFileSystem implements IPyrightFileSystem {
    constructor(realFS: FileSystem);
    mkdirSync(uri: Uri, options?: MkDirOptions): void;
    chdir(uri: Uri): void;
    writeFileSync(uri: Uri, data: string | Buffer, encoding: BufferEncoding | null): void;
    rmdirSync(uri: Uri): void;
    unlinkSync(uri: Uri): void;
    createWriteStream(uri: Uri): fs.WriteStream;
    copyFileSync(src: Uri, dst: Uri): void;
}