/// <reference types="node" />
/**
 * Generates a fake gif file for the given file size.
 *
 * @example
 * generate(1000 * 1000 * 2) // Generates a 2mb file
 */
export declare function generateGif(fileSize: number | string, fileName?: string): Promise<{
    contents: Buffer;
    size: number;
    name: string;
    mime: string;
}>;