import stream from 'stream';
import type { Input } from './types.js';
export declare class StreamInterceptor extends stream.Transform {
    private chunks;
    output(): string;
    _transform(chunk: Uint8Array, _encoding: BufferEncoding, callback: stream.TransformCallback): void;
}
export declare const externalLint: (input: Input) => Promise<{
    eslint: import("../adapter/eslint.js").ESLintOutput;
    prettier: import("../adapter/prettier.js").PrettierOutput;
    tscOk: boolean;
    tscOutputStream: StreamInterceptor;
}>;