Add definitions and tests for run-sequence

run-sequence/run-sequence.d.ts

@@ -0,0 +1,19 @@
+// Type definitions for run-sequence
+// Project: https://github.com/OverZealous/run-sequence
+// Definitions by: Keita Kagurazaka <https://github.com/k-kagurazaka>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../node/node.d.ts" />
+/// <reference path="../gulp/gulp.d.ts" />
+
+declare module "run-sequence" {
+
+    interface IRunSequence {
+        (...streams: (string | string[] | gulp.ITaskCallback)[]): NodeJS.ReadWriteStream;
+
+        use(gulp: gulp.Gulp): IRunSequence;
+    }
+
+    var _tmp: IRunSequence;
+    export = _tmp;
+}