// Type definitions for gulp-autoprefixer
// Project: https://github.com/sindresorhus/gulp-autoprefixer
// Definitions by: Asana <https://asana.com>, Jordy van Dortmont <https://github.com/jordyvandortmont>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.2

/// <reference types="node"/>


declare namespace autoPrefixer {
    interface Options {
        env?: string | undefined;
        cascade?: boolean | undefined;
        add?: boolean | undefined;
        remove?: boolean | undefined;
        supports?: boolean | undefined;
        flexbox?: boolean|"no-2009" | undefined;
        grid?: false|"autoplace"|"no-autoplace" | undefined;
        stats?: object | undefined;
        browsers?: string[] | undefined;
        ignoreUnknownVersions?: boolean | undefined;
    }
}

declare function autoPrefixer(opts?: autoPrefixer.Options): NodeJS.ReadWriteStream;

export = autoPrefixer;