/// <reference types="node" />
/**
 * Creates a Gzip compressed file of an original file at the provided temporary filepath location
 * @param {string} originalFilePath filepath of whatever will be compressed. The original file will be unmodified
 * @param {string} tempFilePath the location of where the Gzip file will be created
 * @returns the size of gzip file that gets created
 */
export declare function createGZipFileOnDisk(originalFilePath: string, tempFilePath: string): Promise<number>;
/**
 * Creates a GZip file in memory using a buffer. Should be used for smaller files to reduce disk I/O
 * @param originalFilePath the path to the original file that is being GZipped
 * @returns a buffer with the GZip file
 */
export declare function createGZipFileInBuffer(originalFilePath: string): Promise<Buffer>;