diff --git a/types/gulp-sourcemaps/gulp-sourcemaps-tests.ts b/types/gulp-sourcemaps/gulp-sourcemaps-tests.ts
index 9ea2849f1e..f41612c4a5 100644
--- a/types/gulp-sourcemaps/gulp-sourcemaps-tests.ts
+++ b/types/gulp-sourcemaps/gulp-sourcemaps-tests.ts
@@ -94,4 +94,26 @@ gulp.task('javascript', function() {
             }
         }))
         .pipe(gulp.dest('public/scripts'));
+});
+
+gulp.task('javascript', function() {
+    var stream = gulp.src('src/**/*.js')
+        .pipe(sourcemaps.init())
+        .pipe(plugin1())
+        .pipe(plugin2())
+        .pipe(sourcemaps.write('../maps', {
+            clone: true
+        }))
+        .pipe(gulp.dest('public/scripts'));
+});
+
+gulp.task('javascript', function() {
+    var stream = gulp.src('src/**/*.js')
+        .pipe(sourcemaps.init())
+        .pipe(plugin1())
+        .pipe(plugin2())
+        .pipe(sourcemaps.write('../maps', {
+            clone: { contents: false }
+        }))
+        .pipe(gulp.dest('public/scripts'));
 });
\ No newline at end of file
diff --git a/types/gulp-sourcemaps/index.d.ts b/types/gulp-sourcemaps/index.d.ts
index 107c6560c1..3b805e8fd8 100644
--- a/types/gulp-sourcemaps/index.d.ts
+++ b/types/gulp-sourcemaps/index.d.ts
@@ -15,11 +15,17 @@ interface WriteMapper {
     (file: string): string;
 }
 
+interface CloneOptions {
+  contents?: boolean;
+  deep?: boolean; 
+}
+
 interface WriteOptions {
     addComment?: boolean;
     includeContent?: boolean;
     sourceRoot?: string | WriteMapper;
     sourceMappingURLPrefix?: string | WriteMapper;
+    clone?: boolean | CloneOptions;
 }
 
 export declare function init(opts?: InitOptions): NodeJS.ReadWriteStream;