The type definition for https://github.com/webpack/extract-text-webpack-plugin
// ____ ____ ____ _
// / ___| ___ / ___| ___ | __ ) _ ___ _(_)
// | | _ / _ \| | _ / _ \| _ \| | | \ \/ / |
// | |_| | (_) | |_| | (_) | |_) | |_| |> <| |
// \____|\___/ \____|\___/|____/ \__,_/_/\_\_|
//
MIT