///
import { PassThrough as PassThroughStream } from 'stream';
export interface BrotliEncodeParams {
mode?: number;
quality?: number;
}
/**
* @param incoming Either a Buffer or string of the value to encode.
* @param options Subset of Encoding Parameters.
* @return Promise that resolves with the encoded Buffer length.
*/
export default function size(incoming: Buffer | string, options?: BrotliEncodeParams): Promise;
/**
* @param incoming Either a Buffer or string of the value to encode.
* @param options Subset of Encoding Parameters.
* @return Length of encoded Buffer.
*/
export declare function sync(incoming: Buffer | string, options?: BrotliEncodeParams): number;
/**
* @param options
* @return PassThroughStream for the contents being compressed
*/
export declare function stream(options?: BrotliEncodeParams): PassThroughStream;
/**
* @param path File Path for the file to compress.
* @param options Subset of Encoding Parameters.
* @return Promise that resolves with size of encoded file.
*/
export declare function file(path: string, options?: BrotliEncodeParams): Promise;
/**
* @param path File Path for the file to compress.
* @param options Subset of Encoding Parameters.
* @return size of encoded file.
*/
export declare function fileSync(path: string, options?: BrotliEncodeParams): number;