declare module "gulp-clone" { function Clone(): NodeJS.ReadWriteStream; namespace Clone { export function sink() : NodeJS.ReadWriteStream & {tap: () => NodeJS.ReadWriteStream}; } export = Clone; } declare module "gulp-insert" { export function append(text: string | Buffer): NodeJS.ReadWriteStream; export function prepend(text: string | Buffer): NodeJS.ReadWriteStream; export function wrap(text: string | Buffer, tail: string | Buffer): NodeJS.ReadWriteStream; export function transform(cb: (contents: string, file: {path: string, relative: string}) => string): NodeJS.ReadWriteStream; // file is a vinyl file } declare module "sorcery";