gulp-minify-css now uses clean-css

gulp-minify-css/gulp-minify-css-tests.ts

@@ -1,4 +1,4 @@
-/// <reference path="./gulp-minify-css.d.ts" />
+/// <reference path="gulp-minify-css.d.ts" />
 /// <reference path="../gulp/gulp.d.ts" />
 
 import * as gulp from "gulp";

gulp-minify-css/gulp-minify-css.d.ts

@@ -4,28 +4,12 @@
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../node/node.d.ts" />
+/// <reference path="../clean-css/clean-css.d.ts" />
 
 declare module "gulp-minify-css" {
+    import * as CleanCSS from 'clean-css';
 
-    interface IOptions {
-        cache?: boolean;
-        advanced?: boolean;
-        aggressiveMerging?: boolean;
-        benchmark?: boolean;
-        compatibility?: string;
-        debug?: boolean;
-        inliner?: Object;
-        keepBreaks?: boolean;
-        keepSpecialComments?: string | number;
-        processImport?: boolean;
-        rebase?: boolean;
-        relativeTo?: string;
-        root?: string;
-        roundingPrecision?: number;
-        shorthandCompacting?: boolean;
-    }
-
-    function minifyCSS(options?: IOptions): NodeJS.ReadWriteStream;
+    function minifyCSS(options?: CleanCSS.Options): NodeJS.ReadWriteStream;
 
     namespace minifyCSS {}