Add gulp declarations.

gulp/gulp-tests.ts

@@ -0,0 +1,19 @@
+/// <reference path="gulp.d.ts" />
+
+var typescript: any = null; // this would be the TypeScript compiler
+var jasmine: any = null; // this would be the jasmine test runner
+
+gulp.task('compile', function()
+{
+    gulp.src("**/*.ts")
+        .pipe(typescript)
+        .dest('out')
+});
+
+gulp.task('test', ['compile'], function()
+{
+    gulp.src("out/test/**/*.js")
+        .pipe(jasmine);
+});
+
+gulp.task('default', ['compile', 'test']);